matlab 声明变量范围,matlab中syms如何定义变量范围
符号运算太慢!
把表达式写出来有太占地方!不过运行快啊!
>> zhouch
ans =
76.4040
>>
function zhouch
quad(@zhchjf,0,2*pi/5)
function y=zhchjf(theta)
z1=6;
z2=z1-1;
R=48.78;
r=8.13;
Q=R-r;
e=7.05;
k=12.6;
f=r/e;
a=sin(z1*theta);
b=f+cos(z1*theta);
m=atan(a./b);
p=m-theta; %theta
c=sin(theta+p);
n=asin(f*c);
o=n-p; %phi
g=(z1/z2)*o; %psi
x2t=Q*sin(theta)+e*sin(z2*theta)-k*sin(p); %原始齿形
y2t=Q*cos(theta)-e*cos(z2*theta)+k*cos(p);
x3t=x2t.*cos(o-g)-y2t.*sin(o-g)-e*sin(g); %共轭齿形
y3t=x2t.*sin(o-g)+y2t.*cos(o-g)-e*cos(g);
ds2=(((813./20.*cos(theta)+141./4.*cos(5.*theta)-63./5.*cos(atan(sin(6.*theta)./(271./235+cos(6.*theta)))-theta).*((6.*cos(6.*theta)./(271./235+cos(6.*theta))+6.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)-1)).*cos(-1./5.*asin(271./235.*sin(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2))+1./5.*atan(sin(6.*theta)./(271./235+cos(6.*theta)))-1./5.*theta)-(813./20.*sin(theta)+141./20.*sin(5.*theta)-63./5.*sin(atan(sin(6.*theta)./(271./235+cos(6.*theta)))-theta)).*sin(-1./5.*asin(271./235.*sin(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2))+1./5.*atan(sin(6.*theta)./(271./235+cos(6.*theta)))-1./5.*theta).*(-47.*(1626./235.*cos(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2)+1626./235.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2)-271./470.*sin(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(3./2).*(12.*sin(6.*theta)./(271./235+cos(6.*theta)).^2.*cos(6.*theta)+12.*sin(6.*theta).^3./(271./235+cos(6.*theta)).^3))./(55225-73441.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)).^(1./2)+1./5.*(6.*cos(6.*theta)./(271./235+cos(6.*theta))+6.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)-1./5)-(-813./20.*sin(theta)+141./4.*sin(5.*theta)-63./5.*sin(atan(sin(6.*theta)./(271./235+cos(6.*theta)))-theta).*((6.*cos(6.*theta)./(271./235+cos(6.*theta))+6.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)-1)).*sin(-1./5.*asin(271./235.*sin(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2))+1./5.*atan(sin(6.*theta)./(271./235+cos(6.*theta)))-1./5.*theta)-(813./20.*cos(theta)-141./20.*cos(5.*theta)+63./5.*cos(atan(sin(6.*theta)./(271./235+cos(6.*theta)))-theta)).*cos(-1./5.*asin(271./235.*sin(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2))+1./5.*atan(sin(6.*theta)./(271./235+cos(6.*theta)))-1./5.*theta).*(-47.*(1626./235.*cos(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2)+1626./235.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2)-271./470.*sin(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(3./2).*(12.*sin(6.*theta)./(271./235+cos(6.*theta)).^2.*cos(6.*theta)+12.*sin(6.*theta).^3./(271./235+cos(6.*theta)).^3))./(55225-73441.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)).^(1./2)+1./5.*(6.*cos(6.*theta)./(271./235+cos(6.*theta))+6.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)-1./5)-141./20.*cos(6./5.*asin(271./235.*sin(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2))-6./5.*atan(sin(6.*theta)./(271./235+cos(6.*theta)))+6./5.*theta).*(282.*(1626./235.*cos(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2)+1626./235.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2)-271./470.*sin(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(3./2).*(12.*sin(6.*theta)./(271./235+cos(6.*theta)).^2.*cos(6.*theta)+12.*sin(6.*theta).^3./(271./235+cos(6.*theta)).^3))./(55225-73441.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)).^(1./2)-6./5.*(6.*cos(6.*theta)./(271./235+cos(6.*theta))+6.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)+6./5)).^2+((813./20.*cos(theta)+141./4.*cos(5.*theta)-63./5.*cos(atan(sin(6.*theta)./(271./235+cos(6.*theta)))-theta).*((6.*cos(6.*theta)./(271./235+cos(6.*theta))+6.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)-1)).*sin(-1./5.*asin(271./235.*sin(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2))+1./5.*atan(sin(6.*theta)./(271./235+cos(6.*theta)))-1./5.*theta)+(813./20.*sin(theta)+141./20.*sin(5.*theta)-63./5.*sin(atan(sin(6.*theta)./(271./235+cos(6.*theta)))-theta)).*cos(-1./5.*asin(271./235.*sin(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2))+1./5.*atan(sin(6.*theta)./(271./235+cos(6.*theta)))-1./5.*theta).*(-47.*(1626./235.*cos(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2)+1626./235.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2)-271./470.*sin(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(3./2).*(12.*sin(6.*theta)./(271./235+cos(6.*theta)).^2.*cos(6.*theta)+12.*sin(6.*theta).^3./(271./235+cos(6.*theta)).^3))./(55225-73441.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)).^(1./2)+1./5.*(6.*cos(6.*theta)./(271./235+cos(6.*theta))+6.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)-1./5)+(-813./20.*sin(theta)+141./4.*sin(5.*theta)-63./5.*sin(atan(sin(6.*theta)./(271./235+cos(6.*theta)))-theta).*((6.*cos(6.*theta)./(271./235+cos(6.*theta))+6.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)-1)).*cos(-1./5.*asin(271./235.*sin(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2))+1./5.*atan(sin(6.*theta)./(271./235+cos(6.*theta)))-1./5.*theta)-(813./20.*cos(theta)-141./20.*cos(5.*theta)+63./5.*cos(atan(sin(6.*theta)./(271./235+cos(6.*theta)))-theta)).*sin(-1./5.*asin(271./235.*sin(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2))+1./5.*atan(sin(6.*theta)./(271./235+cos(6.*theta)))-1./5.*theta).*(-47.*(1626./235.*cos(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2)+1626./235.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2)-271./470.*sin(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(3./2).*(12.*sin(6.*theta)./(271./235+cos(6.*theta)).^2.*cos(6.*theta)+12.*sin(6.*theta).^3./(271./235+cos(6.*theta)).^3))./(55225-73441.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)).^(1./2)+1./5.*(6.*cos(6.*theta)./(271./235+cos(6.*theta))+6.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)-1./5)+141./20.*sin(6./5.*asin(271./235.*sin(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2))-6./5.*atan(sin(6.*theta)./(271./235+cos(6.*theta)))+6./5.*theta).*(282.*(1626./235.*cos(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2)+1626./235.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(1./2)-271./470.*sin(6.*theta)./(271./235+cos(6.*theta))./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2).^(3./2).*(12.*sin(6.*theta)./(271./235+cos(6.*theta)).^2.*cos(6.*theta)+12.*sin(6.*theta).^3./(271./235+cos(6.*theta)).^3))./(55225-73441.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)).^(1./2)-6./5.*(6.*cos(6.*theta)./(271./235+cos(6.*theta))+6.*sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)./(1+sin(6.*theta).^2./(271./235+cos(6.*theta)).^2)+6./5)).^2).^(1./2);
y=ds2;
matlab 声明变量范围,matlab中syms如何定义变量范围相关推荐
- MATLAB及app designer中函数：定义与调用
本文介绍MATLAB 及其APP designer 中函数定义和调用的相关方法和注意事项: 文章结构如下: 1.脚本文件(.m)中函数调用: A.同一脚本文件下,函数定义在脚本末端 B.不同脚本文件, ...
- matlab中数组的声明,如何使用Matlab声明矩阵数组
我们在Matlab软件中最常用的就是数组了,那么在Matlab中声明矩阵数组有哪些方式呢?下面小编给大家分享总结一下. 工具/材料 Matlab 首先在Matlab中最常用的声明数组的方式就是使用中括 ...
- Matlab中的类定义 classdef
Matlab也可以写面向对象的代码,首先表现在可以定义类,以及可以继承,使用类(class)有很多好处,其中一个重要的好处便是解决变量名冲突和让函数.对象的结构清晰.class的static func ...
- matlab中函数的定义和使用
在matlab的选择框中的的新建中选择新建函数,一般是以.m的文本文件,新建后我们可以在里面写入我们的实现函数,现在我们给出两个实例看一下,分别是简单的求和和Fibonacci sequence. 1 ...
- matlab定义字母常数,在matlab中，如何定义函数式子中的未知常数。
新建一个.m文件,第一行输入下面的格式function [y,m] = abc(x)其中... 定义未知数:syms xx是变量 .syms是定义符号变量.补充:syms是... 这不是解方程,这是曲 ...
- matlab hilb,MATLAB在科学计算中的应用：第2章 MATLAB 语言程序设计基础
<MATLAB在科学计算中的应用:第2章 MATLAB 语言程序设计基础>由会员分享,可在线阅读,更多相关<MATLAB在科学计算中的应用:第2章 MATLAB 语言程序设计基础(7 ...
- Matlab在概率统计中的应用问题及解决方案集锦
前言 关于MATLAB系列的精品专栏大家可参见 MATLAB-30天带你从入门到精通 MATLAB深入理解高级教程(附源码) 喜欢的小伙伴可自行订阅,你的支持就是我不断更新的动力哟! Matlab在概 ...
- 热力学分布用matlab,matlab在热物理学中的应用.doc
matlab在热物理学中的应用.doc 1MATLAB在热物理学中的应用摘要本文阐述了基于MATLAB的数值计算.可视化图形处理.开放式以及可扩充体系结构的特点,并介绍了高性能语言MATLAB在大学物 ...
- Matlab基础学习（中）
1.前记,今天的继续学习知乎专栏:https://zhuanlan.zhihu.com/c_1208096335112843264 所有代码:学习建议,复制粘贴到matlab脚本,保存命名自定,按小结 ...
最新文章
- Bzoj4016: [FJOI2014]最短路径树问题
- 服务器显示接口类型,查看服务器各接口卡情况的命令是：lspci
- 痛并快乐的造轮子之旅：awk访问数据库之旅
- 基于深度学习的语义分割代码库
- hadoop+hive+flink+hbase交互的版本兼容性
- python安装运行时提示不是内部或外部命令怎么办_如何解决cmd运行python提示不是内部命令...
- ABP入门系列（11）——编写单元测试
- 阿里云 超级码力在线编程大赛初赛 第2场 题目1. 三角魔法
- 容器编排技术 -- Kubernetes 为 Namespace 配置Pod配额
- 冬天来了，温暖甜品热饮海报设计psd模板，勾住你的胃！
- TensorFlow 支持 Unicode，中文 NLP 终于省心了
- [LeetCode]Trapping Rain Water
- Android获取md5和sha
- 【入门】QSS基础入门笔记
- easydarwin 安装_win10安装EasyDarwin并作为流媒体服务器的推流和拉流实例
- 产品分析 | K12在线教育之猿辅导
- 解决小程序直播组件live-player全屏问题
- 厦门大学计算机系录取分数线贵州,贵州省多少名可以进厦门大学？附厦门大学近三年录取分数线...
- zencart模板修改 （详细）
- 场景识别论文阅读感想（初步）