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matlab
五大通用功能
- 数值计算功能(Nemeric)
- 符号运算功能(Sybolic) (当要求 Matlab 进行符号运算时,它就请求 Malpe 计算并将结果返回到 Matlab 命令窗口)
- 数据可视化功能(Graphic)
- 数据图形文字统一处理功能(Notebook)
- 建模仿真可视化功能 (Simulink)
简单的矩阵输入
- 要直接输入矩阵时，矩阵元素用空格或逗号分隔；矩阵行用分号“；”隔离，整 个矩阵放在方括号“[ ]”里。
A=[1,2,3;4,5,6;7,8,9] - 矩阵的分行输入
A=[1,2,3 4,5,6 7,8,9]
变量
- 计算结果的赋值 s=1-1/2+1/3-1/4+1/5-1/6+... 1/7-1/8;
（说明：三个小黑点是“连行号”，分号“；”作用是：指令执行结果将不显示在屏幕 上，但变量 s 将驻留在内存中。若用户想看 s 的值，可键入以下命令：s 再敲回车）。
- 特殊变量
ans 用于结果的缺省变量名 pi 圆周率 eps 计算机的小数 flops浮点运算次数 inf 无穷大 如 1/0 NaN 不定量 如 0/0 i（j） 虚数 nargin 所用函数的输入变量数目 nargout 所用函数的输出变量数目 realmin 小可用正实数 realmax 大可用正实数
数据结构
向量
- 向量的转置
z=[1+j,2+pi*i,-sqrt(-1)]’
z = 1.0000 - 1.0000i 2.0000 - 3.1416i 0 + 1.0000i
原文地址：https://www.cnblogs.com/lhc-py/p/9514555.html