求助!matlab软件下SVM(支持向量机)做回归预测，软件版本为2016b看，老是报错看，不知道怎么解决这个问题。

有大神帮忙看看吗？

网上找的代码，在我的电脑下运行，总是出错，出错位置如下：

>> [py,mse] = svmpredict(Y_test,X_test,model);
Mean squared error = 0.0879962 (regression)
Squared correlation coefficient = 0.645314 (regression)

报错提示如下：

------------------------------------------------------------------------
Access violation detected at Fri Feb 07 13:22:55 2020
------------------------------------------------------------------------

Configuration:
Crash Decoding : Disabled - No sandbox or build area path
Crash Mode : continue (default)
Current Graphics Driver: ATI Technologies Inc. Radeon(TM) RX 460 Graphics Version 4.5.13464 Compatibility Profile Context 21.19.409.256
Default Encoding : GBK
Deployed : false
Graphics card 1 : Advanced Micro Devices, Inc. ( 0x1002 ) Radeon(TM) RX 460 Graphics Version 21.19.409.256
Graphics card 2 : Advanced Micro Devices, Inc. ( 0x1002 ) AMD Radeon R5 Graphics Version 21.19.409.256
Host Name : DESKTOP-E6HVKN9
MATLAB Architecture : win64
MATLAB Entitlement ID: Unknown
MATLAB Root : D:\Program Files\MATLAB\R2016b
MATLAB Version : 9.1.0.441655 (R2016b)
OpenGL : hardware
Operating System : Microsoft Windows 10 专业版
Processor ID : x86 Family 111 Model 101 Stepping 1, AuthenticAMD
Virtual Machine : Java 1.7.0_60-b19 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
Window System : Version 10.0 (Build 14393)

Fault Count: 1

Abnormal termination:
Access violation

Register State (from fault):
RAX = 0000000000000038 RBX = 0000000000000031
RCX = 0000000000000000 RDX = 00000001003c4280
RSP = 00000000043f8ab8 RBP = 0000000000000031
RSI = 0000000107d58cd0 RDI = 0000000000000031

R8 = 0000000000000000 R9 = 0000000000008000
R10 = 0000000000000000 R11 = 00000000043f8a60
R12 = 00000000043fc320 R13 = 0000000000000002
R14 = 000000008cb40b30 R15 = 000000000f72f828

RIP = 000000018008a5c8 EFL = 00010206

CS = 0033 FS = 0053 GS = 002b

Stack Trace (from fault):
[ 0] 0x000000018008a5c8 D:\Program Files\MATLAB\R2016b\bin\win64\libmx.dll+00566728 mxGetPr+00000000
[ 1] 0x00007ff823c51a00 E:\论文_张莉\02_基于无人机多光谱遥感的大豆叶面积指数反演研究\01_test_svm\libsvm-new\svmpredict.mexw64+00006656
[ 2] 0x00007ff823c51cff E:\论文_张莉\02_基于无人机多光谱遥感的大豆叶面积指数反演研究\01_test_svm\libsvm-new\svmpredict.mexw64+00007423 mexFunction+00000543
[ 3] 0x00000000fc5fc5d1 D:\Program Files\MATLAB\R2016b\bin\win64\libmex.dll+00116177 mexRunMexFile+00000129
[ 4] 0x00000000fc5fb2e2 D:\Program Files\MATLAB\R2016b\bin\win64\libmex.dll+00111330 mexFeature_mexver+00001794
[ 5] 0x00000000fc5fa506 D:\Program Files\MATLAB\R2016b\bin\win64\libmex.dll+00107782 mexUnlock+00020182
[ 6] 0x00000000163846de D:\Program Files\MATLAB\R2016b\bin\win64\m_dispatcher.dll+00018142 Mfh_file::dispatch_fh_impl+00000434
[ 7] 0x00000000163844b6 D:\Program Files\MATLAB\R2016b\bin\win64\m_dispatcher.dll+00017590 Mfh_file::dispatch_fh+00000062
[ 8] 0x0000000016385827 D:\Program Files\MATLAB\R2016b\bin\win64\m_dispatcher.dll+00022567 Mfunction_handle::dispatch+00001015
[ 9] 0x0000000016648c29 D:\Program Files\MATLAB\R2016b\bin\win64\m_lxe.dll+00887849 boost::serialization::singleton<boost::archive::detail::iserializer<boost::archive::binaryTerm_iarchive,ir::IrTree> >::get_instance+00798773
[ 10] 0x000000001665728f D:\Program Files\MATLAB\R2016b\bin\win64\m_lxe.dll+00946831 boost::serialization::singleton<boost::archive::detail::iserializer<boost::archive::binaryTerm_iarchive,ir::IrTree> >::get_instance+00857755
[ 11] 0x0000000016657b75 D:\Program Files\MATLAB\R2016b\bin\win64\m_lxe.dll+00949109 boost::serialization::singleton<boost::archive::detail::iserializer<boost::archive::binaryTerm_iarchive,ir::IrTree> >::get_instance+00860033
[ 12] 0x0000000016659151 D:\Program Files\MATLAB\R2016b\bin\win64\m_lxe.dll+00954705 boost::serialization::singleton<boost::archive::detail::iserializer<boost::archive::binaryTerm_iarchive,ir::IrTree> >::get_instance+00865629
[ 13] 0x0000000016659c95 D:\Program Files\MATLAB\R2016b\bin\win64\m_lxe.dll+00957589 boost::serialization::singleton<boost::archive::detail::iserializer<boost::archive::binaryTerm_iarchive,ir::IrTree> >::get_instance+00868513
[ 14] 0x000000001665932f D:\Program Files\MATLAB\R2016b\bin\win64\m_lxe.dll+00955183 boost::serialization::singleton<boost::archive::detail::iserializer<boost::archive::binaryTerm_iarchive,ir::IrTree> >::get_instance+00866107
[ 15] 0x000000001665940d D:\Program Files\MATLAB\R2016b\bin\win64\m_lxe.dll+00955405 boost::serialization::singleton<boost::archive::detail::iserializer<boost::archive::binaryTerm_iarchive,ir::IrTree> >::get_instance+00866329
[ 16] 0x0000000016648041 D:\Program Files\MATLAB\R2016b\bin\win64\m_lxe.dll+00884801 boost::serialization::singleton<boost::archive::detail::iserializer<boost::archive::binaryTerm_iarchive,ir::IrTree> >::get_instance+00795725
[ 17] 0x00000000165c9eab D:\Program Files\MATLAB\R2016b\bin\win64\m_lxe.dll+00368299 boost::serialization::singleton<boost::archive::detail::iserializer<boost::archive::binaryTerm_iarchive,ir::IrTree> >::get_instance+00279223
[ 18] 0x00000000165c9740 D:\Program Files\MATLAB\R2016b\bin\win64\m_lxe.dll+00366400 boost::serialization::singleton<boost::archive::detail::iserializer<boost::archive::binaryTerm_iarchive,ir::IrTree> >::get_instance+00277324
[ 19] 0x00000000165c3f8f D:\Program Files\MATLAB\R2016b\bin\win64\m_lxe.dll+00343951 boost::serialization::singleton<boost::archive::detail::iserializer<boost::archive::binaryTerm_iarchive,ir::IrTree> >::get_instance+00254875
[ 20] 0x00000000165c3aa1 D:\Program Files\MATLAB\R2016b\bin\win64\m_lxe.dll+00342689 boost::serialization::singleton<boost::archive::detail::iserializer<boost::archive::binaryTerm_iarchive,ir::IrTree> >::get_instance+00253613
[ 21] 0x00000000165c3991 D:\Program Files\MATLAB\R2016b\bin\win64\m_lxe.dll+00342417 boost::serialization::singleton<boost::archive::detail::iserializer<boost::archive::binaryTerm_iarchive,ir::IrTree> >::get_instance+00253341
[ 22] 0x00000000167503e9 D:\Program Files\MATLAB\R2016b\bin\win64\m_lxe.dll+01967081 boost::serialization::singleton<boost::archive::detail::oserializer<boost::archive::polymorphic_oarchive,foundation::msg_svc::eventmgr::BaseEvent> >::get_instance+00003353
[ 23] 0x0000000016750372 D:\Program Files\MATLAB\R2016b\bin\win64\m_lxe.dll+01966962 boost::serialization::singleton<boost::archive::detail::oserializer<boost::archive::polymorphic_oarchive,foundation::msg_svc::eventmgr::BaseEvent> >::get_instance+00003234
[ 24] 0x0000000016612a61 D:\Program Files\MATLAB\R2016b\bin\win64\m_lxe.dll+00666209 boost::serialization::singleton<boost::archive::detail::iserializer<boost::archive::binaryTerm_iarchive,ir::IrTree> >::get_instance+00577133
[ 25] 0x000000001846b3bd D:\Program Files\MATLAB\R2016b\bin\win64\m_interpreter.dll+00504765 inEvalCmdWithLocalReturn+00000065
[ 26] 0x00000000fb608ced D:\Program Files\MATLAB\R2016b\bin\win64\libmwbridge.dll+00101613 mnGetPrompt+00012957
[ 27] 0x00000000fb609ba3 D:\Program Files\MATLAB\R2016b\bin\win64\libmwbridge.dll+00105379 mnParser+00001091
[ 28] 0x0000000015ad6841 D:\Program Files\MATLAB\R2016b\bin\win64\mcr.dll+00223297 mcr::runtime::setInterpreterThreadToCurrent+00025585
[ 29] 0x0000000015ad57d7 D:\Program Files\MATLAB\R2016b\bin\win64\mcr.dll+00219095 mcr::runtime::setInterpreterThreadToCurrent+00021383
[ 30] 0x0000000015ad5853 D:\Program Files\MATLAB\R2016b\bin\win64\mcr.dll+00219219 mcr::runtime::setInterpreterThreadToCurrent+00021507
[ 31] 0x0000000015ad6141 D:\Program Files\MATLAB\R2016b\bin\win64\mcr.dll+00221505 mcr::runtime::setInterpreterThreadToCurrent+00023793
[ 32] 0x00000000fd01d347 D:\Program Files\MATLAB\R2016b\bin\win64\iqm.dll+00578375 iqm::UserEvalPlugin::pre+00030679
[ 33] 0x00000000fd029e7c D:\Program Files\MATLAB\R2016b\bin\win64\iqm.dll+00630396 iqm::UserEvalPlugin::pre+00082700
[ 34] 0x00000000fd017480 D:\Program Files\MATLAB\R2016b\bin\win64\iqm.dll+00554112 iqm::UserEvalPlugin::pre+00006416
[ 35] 0x00000000fd02c99a D:\Program Files\MATLAB\R2016b\bin\win64\iqm.dll+00641434 iqm::UserEvalPlugin::pre+00093738
[ 36] 0x00000000fcff9a37 D:\Program Files\MATLAB\R2016b\bin\win64\iqm.dll+00432695 iqm::PackagedTaskPlugin::PackagedTaskPlugin+00000727
[ 37] 0x00000000fcffa08f D:\Program Files\MATLAB\R2016b\bin\win64\iqm.dll+00434319 iqm::PackagedTaskPlugin::execute+00000575
[ 38] 0x00000000fcff9aa9 D:\Program Files\MATLAB\R2016b\bin\win64\iqm.dll+00432809 iqm::PackagedTaskPlugin::PackagedTaskPlugin+00000841
[ 39] 0x00000000fcff9f04 D:\Program Files\MATLAB\R2016b\bin\win64\iqm.dll+00433924 iqm::PackagedTaskPlugin::execute+00000180
[ 40] 0x00000000fcfd42fa D:\Program Files\MATLAB\R2016b\bin\win64\iqm.dll+00279290 iqm::Iqm::setupIqmFcnPtrs+00071530
[ 41] 0x00000000fcfd41d3 D:\Program Files\MATLAB\R2016b\bin\win64\iqm.dll+00278995 iqm::Iqm::setupIqmFcnPtrs+00071235
[ 42] 0x00000000fcfb9e5a D:\Program Files\MATLAB\R2016b\bin\win64\iqm.dll+00171610 iqm::Iqm::deliver+00003274
[ 43] 0x00000000fcfbad2f D:\Program Files\MATLAB\R2016b\bin\win64\iqm.dll+00175407 iqm::Iqm::deliver+00007071
[ 44] 0x0000000100108173 D:\Program Files\MATLAB\R2016b\bin\win64\libmwservices.dll+01147251 services::system_events::PpeDispatchHook::dispatchOne+00019059
[ 45] 0x000000010010c3a3 D:\Program Files\MATLAB\R2016b\bin\win64\libmwservices.dll+01164195 sysq::addProcessPendingEventsUnitTestHook+00001923
[ 46] 0x000000010010c580 D:\Program Files\MATLAB\R2016b\bin\win64\libmwservices.dll+01164672 sysq::addProcessPendingEventsUnitTestHook+00002400
[ 47] 0x000000010010d685 D:\Program Files\MATLAB\R2016b\bin\win64\libmwservices.dll+01169029 sysq::getCondition+00002917
[ 48] 0x000000010010e4b2 D:\Program Files\MATLAB\R2016b\bin\win64\libmwservices.dll+01172658 svWS_ProcessPendingEvents+00000162
[ 49] 0x0000000015ad6b7d D:\Program Files\MATLAB\R2016b\bin\win64\mcr.dll+00224125 mcr::runtime::setInterpreterThreadToCurrent+00026413
[ 50] 0x0000000015ad726a D:\Program Files\MATLAB\R2016b\bin\win64\mcr.dll+00225898 mcr::runtime::setInterpreterThreadToCurrent+00028186
[ 51] 0x0000000015ace385 D:\Program Files\MATLAB\R2016b\bin\win64\mcr.dll+00189317 mcr_process_events+00010293
[ 52] 0x0000000015ad02d2 D:\Program Files\MATLAB\R2016b\bin\win64\mcr.dll+00197330 mcr_process_events+00018306
[ 53] 0x0000000015a1bd0e D:\Program Files\MATLAB\R2016b\bin\win64\MVMLocal.dll+00245006 mvm_server::inproc::LocalFactory::terminate+00070846
[ 54] 0x00000000fa942cd9 D:\Program Files\MATLAB\R2016b\bin\win64\mvm.dll+01125593 mvm::detail::initLocalMvmHack+00000521
[ 55] 0x00000000fa9432a5 D:\Program Files\MATLAB\R2016b\bin\win64\mvm.dll+01127077 mvm::detail::SessionImpl::privateSession+00000373
[ 56] 0x00000000fa9434b1 D:\Program Files\MATLAB\R2016b\bin\win64\mvm.dll+01127601 mvm::detail::SessionImpl::privateSession+00000897
[ 57] 0x0000000140006fd5 D:\Program Files\MATLAB\R2016b\bin\win64\MATLAB.exe+00028629
[ 58] 0x0000000140007661 D:\Program Files\MATLAB\R2016b\bin\win64\MATLAB.exe+00030305
[ 59] 0x00007ff8335b8364 C:\Windows\System32\KERNEL32.DLL+00033636 BaseThreadInitThunk+00000020
[ 60] 0x00007ff8340470d1 C:\Windows\SYSTEM32\ntdll.dll+00422097 RtlUserThreadStart+00000033

This error was detected while a MEX-file was running. If the MEX-file
is not an official MathWorks function, please examine its source code
for errors. Please consult the External Interfaces Guide for information
on debugging MEX-files.

If this problem is reproducible, please submit a Service Request via:
http://www.mathworks.com/support/contact_us/

A technical support engineer might contact you with further information.

Thank you for your help.** This crash report has been saved to disk as C:\Users\hgsxx\AppData\Local\Temp\matlab_crash_dump.14132-1 **

Caught MathWorks::System::FatalException
[Please exit and restart MATLAB]>>

代码如下：

x=[1028.371654 959.1841538 956.84571 27.10416667 27.37333333 25.75
959.1841538 956.84571 939.7041246 27.37333333 25.75 25.65833333
956.84571 939.7041246 886.8804196 25.75 25.65833333 25.5925
939.7041246 886.8804196 810.1564075 25.65833333 25.5925 25.26833333
886.8804196 810.1564075 766.6538244 25.5925 25.26833333 25.13333333
810.1564075 766.6538244 777.3155086 25.26833333 25.13333333 25.34166667
766.6538244 777.3155086 708.5305564 25.13333333 25.34166667 25.54
777.3155086 708.5305564 1138.258526 25.34166667 25.54 30.63083333
708.5305564 1138.258526 1151.379901 25.54 30.63083333 30.7125
1138.258526 1151.379901 1156.958557 30.63083333 30.7125 30.675
1151.379901 1156.958557 1171.215125 30.7125 30.675 30.82583333
1156.958557 1171.215125 1161.593226 30.675 30.82583333 30.4975
1171.215125 1161.593226 781.6023678 30.82583333 30.4975 27.84666667
1161.593226 781.6023678 612.17396 30.4975 27.84666667 27.275
781.6023678 612.17396 609.070022 27.84666667 27.275 27.70583333
612.17396 609.070022 607.4263711 27.275 27.70583333 27.85666667
609.070022 607.4263711 640.2421636 27.70583333 27.85666667 27.845
607.4263711 640.2421636 1392.781029 27.85666667 27.845 25.93416667
640.2421636 1392.781029 748.9545634 27.845 25.93416667 25.955
1392.781029 748.9545634 1165.295812 25.93416667 25.955 25.98916667
748.9545634 1165.295812 1129.890453 25.955 25.98916667 26.02833333
1165.295812 1129.890453 1088.605079 25.98916667 26.02833333 26.0625
1129.890453 1088.605079 1069.821424 26.02833333 26.0625 26.09
1088.605079 1069.821424 1094.441434 26.0625 26.09 26.11083333
1069.821424 1094.441434 1147.30122 26.09 26.11083333 26.12666667
1094.441434 1147.30122 1182.625624 26.11083333 26.12666667 26.135
1147.30122 1182.625624 1171.851114 26.12666667 26.135 26.13571429
1182.625624 1171.851114 1416.323402 26.135 26.13571429 30.79583333
1171.851114 1416.323402 1402.490374 26.13571429 30.79583333 31.24333333
1416.323402 1402.490374 1425.07512 30.79583333 31.24333333 31.48083333
1402.490374 1425.07512 1417.48991 31.24333333 31.48083333 31.49416667
1425.07512 1417.48991 1410.82007 31.48083333 31.49416667 31.30583333
1417.48991 1410.82007 1395.041333 31.49416667 31.30583333 31.01666667
1410.82007 1395.041333 1402.41428 31.30583333 31.01666667 30.90833333
1395.041333 1402.41428 1402.16707 31.01666667 30.90833333 31.065
1402.41428 1402.16707 1402.479577 30.90833333 31.065 30.98166667
1402.16707 1402.479577 1398.284501 31.065 30.98166667 31.04
1402.479577 1398.284501 1786.600513 30.98166667 31.04 28.44111111
1398.284501 1786.600513 1022.58609 31.04 28.44111111 29.78083333
1786.600513 1022.58609 794.9068274 28.44111111 29.78083333 28.47833333
1022.58609 794.9068274 670.7098925 29.78083333 28.47833333 27.8975
794.9068274 670.7098925 1347.161576 28.47833333 27.8975 27.39666667
670.7098925 1347.161576 1514.301902 27.8975 27.39666667 26.55916667
1347.161576 1514.301902 1556.678165 27.39666667 26.55916667 28.49166667
1514.301902 1556.678165 1689.186937 26.55916667 28.49166667 29.2575
1556.678165 1689.186937 1650.380243 28.49166667 29.2575 29.44666667
1689.186937 1650.380243 1626.521117 29.2575 29.44666667 29.22571429
1650.380243 1626.521117 1508.872806 29.44666667 29.22571429 28.43333333
1626.521117 1508.872806 1526.508911 29.22571429 28.43333333 27.91916667
1508.872806 1526.508911 1653.658951 28.43333333 27.91916667 28.00333333
1526.508911 1653.658951 1665.527551 27.91916667 28.00333333 28.405
1653.658951 1665.527551 1664.722489 28.00333333 28.405 28.37833333
1665.527551 1664.722489 1633.289333 28.405 28.37833333 28.59083333
1664.722489 1633.289333 1644.415188 28.37833333 28.59083333 28.68166667
1633.289333 1644.415188 1664.797147 28.59083333 28.68166667 28.80333333
1644.415188 1664.797147 1673.686013 28.68166667 28.80333333 28.8575
1664.797147 1673.686013 1627.213411 28.80333333 28.8575 28.97166667
1673.686013 1627.213411 2499.805708 28.8575 28.97166667 30.03083333
1627.213411 2499.805708 1835.908291 28.97166667 30.03083333 29.01666667
2499.805708 1835.908291 1970.353867 30.03083333 29.01666667 29.38416667
1835.908291 1970.353867 1896.792688 29.01666667 29.38416667 29.44333333
1970.353867 1896.792688 697.6351053 29.38416667 29.44333333 29.46083333
1896.792688 697.6351053 672.9046116 29.44333333 29.46083333 30.67545455
697.6351053 672.9046116 545.8299657 29.46083333 30.67545455 31.72583333
672.9046116 545.8299657 576.4885672 30.67545455 31.72583333 30.12166667
545.8299657 576.4885672 574.3578818 31.72583333 30.12166667 29.84
576.4885672 574.3578818 586.4742195 30.12166667 29.84 29.82166667
574.3578818 586.4742195 1468.855021 29.84 29.82166667 31.37333333
586.4742195 1468.855021 886.6352393 29.82166667 31.37333333 31.66083333
2699.797085 2583.04259 2552.74549 32.11583333 32.07916667 32.22666667
2583.04259 2552.74549 2297.956451 32.07916667 32.22666667 31.74
2552.74549 2297.956451 2176.422161 32.22666667 31.74 31.00333333
2297.956451 2176.422161 2057.532399 31.74 31.00333333 30.6125
2176.422161 2057.532399 2176.500701 31.00333333 30.6125 30.5925
2057.532399 2176.500701 2385.168589 30.6125 30.5925 30.54916667
2176.500701 2385.168589 2369.154109 30.5925 30.54916667 30.68
2385.168589 2369.154109 2094.301853 30.54916667 30.68 30.69833333
2369.154109 2094.301853 2510.571627 30.68 30.69833333 30.09
2094.301853 2510.571627 2362.31383 30.69833333 30.09 30.00916667
2510.571627 2362.31383 2367.871701 30.09 30.00916667 29.88166667
2362.31383 2367.871701 2249.666409 30.00916667 29.88166667 29.3275
2367.871701 2249.666409 2059.333555 29.88166667 29.3275 29.79416667
2249.666409 2059.333555 1926.228167 29.3275 29.79416667 29.465
2059.333555 1926.228167 2037.977193 29.79416667 29.465 29.075
1926.228167 2037.977193 2127.439716 29.465 29.075 29.00666667
2037.977193 2127.439716 1648.714024 29.075 29.00666667 28.13384615
2127.439716 1648.714024 1561.640429 29.00666667 28.13384615 27.43
1648.714024 1561.640429 2292.351138 28.13384615 27.43 29.8
1561.640429 2292.351138 2112.7879 27.43 29.8 29.45333333
2292.351138 2112.7879 2163.402464 29.8 29.45333333 29.59416667
2112.7879 2163.402464 2050.27454 29.45333333 29.59416667 28.83583333
2163.402464 2050.27454 1933.826947 29.59416667 28.83583333 29.32
2050.27454 1933.826947 1804.186918 28.83583333 29.32 29.26
1933.826947 1804.186918 1703.58851 29.32 29.26 28.29583333
1804.186918 1703.58851 1256.163552 29.26 28.29583333 26.845
1703.58851 1256.163552 1479.70762 28.29583333 26.845 27.1875
1256.163552 1479.70762 1518.980446 26.845 27.1875 27.29
1479.70762 1518.980446 2616.011448 27.1875 27.29 27.82666667
1518.980446 2616.011448 1802.886167 27.29 27.82666667 28.23583333
2616.011448 1802.886167 1728.592329 27.82666667 28.23583333 27.93166667
1802.886167 1728.592329 1091.740875 28.23583333 27.93166667 27.80833333
1728.592329 1091.740875 1535.095214 27.93166667 27.80833333 28.12083333
1091.740875 1535.095214 2023.706186 27.80833333 28.12083333 29.90916667
1535.095214 2023.706186 1959.425668 28.12083333 29.90916667 29.53333333
2023.706186 1959.425668 1971.848453 29.90916667 29.53333333 29.22083333
1959.425668 1971.848453 2120.959504 29.53333333 29.22083333 29.8575
1971.848453 2120.959504 1704.870338 29.22083333 29.8575 29.83583333
2120.959504 1704.870338 1313.671485 29.8575 29.83583333 28.65333333
1704.870338 1313.671485 1858.197254 29.83583333 28.65333333 29.04
1313.671485 1858.197254 1961.828444 28.65333333 29.04 29.22083333
1858.197254 1961.828444 2116.620446 29.04 29.22083333 29.8575
1961.828444 2116.620446 1817.866018 29.22083333 29.8575 29.83583333
2116.620446 1817.866018 1433.93257 29.8575 29.83583333 28.67571429
1817.866018 1433.93257 2285.964682 29.83583333 28.67571429 30.16666667
1433.93257 2285.964682 2205.521073 28.67571429 30.16666667 29.82583333
2285.964682 2205.521073 1919.215912 30.16666667 29.82583333 29.94583333
2205.521073 1919.215912 1979.44367 29.82583333 29.94583333 30.2
1919.215912 1979.44367 1843.382092 29.94583333 30.2 30.07666667
1979.44367 1843.382092 2247.560871 30.2 30.07666667 30.06416667
1843.382092 2247.560871 1873.134762 30.07666667 30.06416667 30.08333333
2247.560871 1873.134762 1875.413956 30.06416667 30.08333333 29.91416667
1873.134762 1875.413956 2003.6789 30.08333333 29.91416667 29.61833333
1875.413956 2003.6789 1952.953007 29.91416667 29.61833333 29.5
2003.6789 1952.953007 1043.986635 29.61833333 29.5 29.5
1952.953007 1043.986635 1338.110741 29.5 29.5 28.38181818
1043.986635 1338.110741 1750.614398 29.5 28.38181818 32.73416667
1338.110741 1750.614398 1871.176146 28.38181818 32.73416667 29.23666667
1750.614398 1871.176146 1395.290968 32.73416667 29.23666667 26.24
1871.176146 1395.290968 1431.744263 29.23666667 26.24 26.42583333
1395.290968 1431.744263 1429.275226 26.24 26.42583333 26.6325
1431.744263 1429.275226 1430.361559 26.42583333 26.6325 26.7375
1429.275226 1430.361559 1396.361311 26.6325 26.7375 26.875
1430.361559 1396.361311 1331.847452 26.7375 26.875 27.03583333
1396.361311 1331.847452 1272.224547 26.875 27.03583333 26.955
1331.847452 1272.224547 1280.220597 27.03583333 26.955 26.98
1272.224547 1280.220597 2584.189937 26.955 26.98 29.832
1280.220597 2584.189937 2465.185495 26.98 29.832 30.63583333
2584.189937 2465.185495 2337.469502 29.832 30.63583333 30.35583333
2465.185495 2337.469502 2323.709064 30.63583333 30.35583333 30.52166667
2337.469502 2323.709064 2333.949913 30.35583333 30.52166667 30.74416667
2323.709064 2333.949913 2319.830043 30.52166667 30.74416667 30.81416667
2333.949913 2319.830043 2108.15023 30.74416667 30.81416667 30.57666667
2319.830043 2108.15023 1572.099018 30.81416667 30.57666667 29.37333333
2108.15023 1572.099018 1747.790212 30.57666667 29.37333333 28.59916667
1572.099018 1747.790212 1894.641548 29.37333333 28.59916667 28.61666667
1747.790212 1894.641548 1842.296674 28.59916667 28.61666667 28.67666667
1894.641548 1842.296674 1083.39741 28.61666667 28.67666667 29.352
1842.296674 1083.39741 961.740923 28.67666667 29.352 30.12416667
1083.39741 961.740923 911.5714507 29.352 30.12416667 29.93166667
961.740923 911.5714507 847.9055651 30.12416667 29.93166667 29.76
911.5714507 847.9055651 861.7889418 29.93166667 29.76 29.855
847.9055651 861.7889418 846.3753926 29.76 29.855 29.98833333
861.7889418 846.3753926 832.8252524 29.855 29.98833333 30.09166667
846.3753926 832.8252524 771.9408473 29.98833333 30.09166667 29.97083333
832.8252524 771.9408473 818.2735089 30.09166667 29.97083333 29.66916667
771.9408473 818.2735089 764.7561174 29.97083333 29.66916667 29.16
818.2735089 764.7561174 734.777984 29.66916667 29.16 28.10833333
764.7561174 734.777984 2463.54149 29.16 28.10833333 29.61636364
734.777984 2463.54149 2226.329897 28.10833333 29.61636364 29.85
2463.54149 2226.329897 2204.032365 29.61636364 29.85 29.60833333
2226.329897 2204.032365 2119.208768 29.85 29.60833333 29.60083333
2204.032365 2119.208768 1697.082568 29.60833333 29.60083333 29.21166667
2119.208768 1697.082568 1674.809387 29.60083333 29.21166667 29.35166667
1697.082568 1674.809387 1656.671669 29.21166667 29.35166667 29.3075
1674.809387 1656.671669 1699.927578 29.35166667 29.3075 29.15583333
1656.671669 1699.927578 1745.430376 29.3075 29.15583333 29.31416667
1699.927578 1745.430376 1772.569657 29.15583333 29.31416667 29.315
1745.430376 1772.569657 1786.693828 29.31416667 29.315 33.34916667
1772.569657 1786.693828 2207.282007 29.315 33.34916667 34.1575
1786.693828 2207.282007 2341.178071 33.34916667 34.1575 34.0725
2207.282007 2341.178071 2294.047058 34.1575 34.0725 33.9175
2341.178071 2294.047058 2233.741453 34.0725 33.9175 33.57416667
2294.047058 2233.741453 2106.501031 33.9175 33.57416667 33.32583333
2233.741453 2106.501031 1898.488567 33.57416667 33.32583333 32.82916667
2106.501031 1898.488567 2072.230095 33.32583333 32.82916667 32.745
1898.488567 2072.230095 1996.396274 32.82916667 32.745 32.66166667
2072.230095 1996.396274 1824.257765 32.745 32.66166667 32.55583333
1996.396274 1824.257765 2473.683995 32.66166667 32.55583333 29.76833333
1824.257765 2473.683995 2410.234825 32.55583333 29.76833333 30.135
2473.683995 2410.234825 2091.346487 29.76833333 30.135 29.50833333
2410.234825 2091.346487 2207.780774 30.135 29.50833333 29.52916667
2091.346487 2207.780774 1979.775708 29.50833333 29.52916667 29.61166667
2207.780774 1979.775708 1891.914525 29.52916667 29.61166667 29.74583333
1979.775708 1891.914525 1862.9024 29.61166667 29.74583333 29.63333333
1891.914525 1862.9024 1888.482779 29.74583333 29.63333333 29.83833333
1862.9024 1888.482779 1921.714952 29.63333333 29.83833333 30.54083333
1888.482779 1921.714952 1947.7835 29.83833333 30.54083333 30.3425
1921.714952 1947.7835 1917.475012 30.54083333 30.3425 29.89083333
1947.7835 1917.475012 2722.565495 30.3425 29.89083333 28.42818182
1917.475012 2722.565495 2626.925489 29.89083333 28.42818182 29.12416667
2722.565495 2626.925489 2228.672572 28.42818182 29.12416667 28.69
2626.925489 2228.672572 2275.036348 29.12416667 28.69 28.76083333
2228.672572 2275.036348 2035.530608 28.69 28.76083333 28.45833333
2275.036348 2035.530608 1917.744953 28.76083333 28.45833333 28.3425
2035.530608 1917.744953 1692.782221 28.45833333 28.3425 28.44083333
1917.744953 1692.782221 1781.876525 28.3425 28.44083333 28.93
1692.782221 1781.876525 1725.760549 28.44083333 28.93 29.43666667
]

y = [939.7041246
886.8804196
810.1564075
766.6538244
777.3155086
708.5305564
1138.258526
1151.379901
1156.958557
1171.215125
1161.593226
781.6023678
612.17396
609.070022
607.4263711
640.2421636
1392.781029
748.9545634
1165.295812
1129.890453
1088.605079
1069.821424
1094.441434
1147.30122
1182.625624
1171.851114
1416.323402
1402.490374
1425.07512
1417.48991
1410.82007
1395.041333
1402.41428
1402.16707
1402.479577
1398.284501
1786.600513
1022.58609
794.9068274
670.7098925
1347.161576
1514.301902
1556.678165
1689.186937
1650.380243
1626.521117
1508.872806
1526.508911
1653.658951
1665.527551
1664.722489
1633.289333
1644.415188
1664.797147
1673.686013
1627.213411
2499.805708
1835.908291
1970.353867
1896.792688
697.6351053
672.9046116
545.8299657
576.4885672
574.3578818
586.4742195
1468.855021
886.6352393
754.8599557
2297.956451
2176.422161
2057.532399
2176.500701
2385.168589
2369.154109
2094.301853
2510.571627
2362.31383
2367.871701
2249.666409
2059.333555
1926.228167
2037.977193
2127.439716
1648.714024
1561.640429
2292.351138
2112.7879
2163.402464
2050.27454
1933.826947
1804.186918
1703.58851
1256.163552
1479.70762
1518.980446
2616.011448
1802.886167
1728.592329
1091.740875
1535.095214
2023.706186
1959.425668
1971.848453
2120.959504
1704.870338
1313.671485
1858.197254
1961.828444
2116.620446
1817.866018
1433.93257
2285.964682
2205.521073
1919.215912
1979.44367
1843.382092
2247.560871
1873.134762
1875.413956
2003.6789
1952.953007
1043.986635
1338.110741
1750.614398
1871.176146
1395.290968
1431.744263
1429.275226
1430.361559
1396.361311
1331.847452
1272.224547
1280.220597
2584.189937
2465.185495
2337.469502
2323.709064
2333.949913
2319.830043
2108.15023
1572.099018
1747.790212
1894.641548
1842.296674
1083.39741
961.740923
911.5714507
847.9055651
861.7889418
846.3753926
832.8252524
771.9408473
818.2735089
764.7561174
734.777984
2463.54149
2226.329897
2204.032365
2119.208768
1697.082568
1674.809387
1656.671669
1699.927578
1745.430376
1772.569657
1786.693828
2207.282007
2341.178071
2294.047058
2233.741453
2106.501031
1898.488567
2072.230095
1996.396274
1824.257765
2473.683995
2410.234825
2091.346487
2207.780774
1979.775708
1891.914525
1862.9024
1888.482779
1921.714952
1947.7835
1917.475012
2722.565495
2626.925489
2228.672572
2275.036348
2035.530608
1917.744953
1692.782221
1781.876525
1725.760549
1787.929433];

Xdata=mapminmax(x')'; %按照行归一化[-1 1]
Ydata=mapminmax(y')';
[M,N]=size(x);
X_train=Xdata(1:round(3*M/4),:);X_test=Xdata(round(3*M/4)+1:M,:);
Y_train=Ydata(1:round(3*M/4),:);Y_test=Ydata(round(3*M/4)+1:M,:);
[mse,bestc,bestg] = SVMcgForRegress(Y_train,X_train);%参数寻优 % bestc=3.0314 bestg=0.0118
% 回归模型
str = ['-s 3 -t 2 -c ',num2str(bestc),' -g ',num2str(bestg),' -p 0.01'];
model = svmtrain(Y_train,X_train,str);
% 模型预测
[py,mse] = svmpredict(Y_test,X_test,model);
% 返归一化
miny=min(y);maxy=max(y);
py=postmnmx(py,miny,maxy);
% 显示预测结果
Y_test=y(round(3*M/4)+1:M,:); % 原始数据

plot(1:length(py),Y_test,'o');
hold on
plot(1:length(py),py); % 预测数据
hold off
Y_test=y(round(3*M/4)+1:M,:); % 原始数据
plot(1:length(py),Y_test,'o');
hold on
plot(1:length(py),py); % 预测数据
hold off
Y_test=y(round(3*M/4)+1:M,:); % 原始数据
plot(1:length(py),Y_test,'o');
hold on
plot(1:length(py),py); % 预测数据

求助!matlab软件下SVM(支持向量机)做回归预测，软件版本为2016b看，老是报错看，不知道怎么解决这个问题。相关推荐

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求助!matlab软件下SVM(支持向量机)做回归预测，软件版本为2016b看，老是报错看，不知道怎么解决这个问题。

求助!matlab软件下SVM(支持向量机)做回归预测，软件版本为2016b看，老是报错看，不知道怎么解决这个问题。相关推荐

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