2022年10月18日 · 在MATLAB中提供了sym和sym s函数 用来定义符号，这两种定义符号变量的方式是不同的。 下面对其逐一介绍。 首先是sym函数，sym函数用来定义一个变量最简单的方 …

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2011年1月31日 · Hi, I trying to make a simple program, I would like to know how to make this syms x; fun=x^2; x0=2; x=x0; fun And what a expect in the last line is 4 but I get X^2 How can …

sym(___,set) creates a symbolic variable or array and sets the assumption that the variable or all array elements belong to set. Here, set can be "real", "positive", "integer", or "rational". You …

2019年9月17日 · 本文详细介绍了MATLAB中符号数学的使用方法，包括如何定义符号变量和函数，以及进行表达式运算。 阐述了符号变量与常量的区别，以及定义符号有值常量的方法。 适 …

syms lists the names of all symbolic scalar variables, functions, matrix variables, matrix functions, and arrays in the MATLAB workspace. S = syms returns a cell array of the names of all …

2021年10月16日 · I want to use GNU Octave to solve my equations. Equations contain syms variables and vectors with decimal numbers in them. How properly solve these equations …

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铙和钹的区别在于，铙的碗部较小，发音较响亮，余音较长；钹的碗部较大，发音较浑厚，余音较短。 铙与钹在民间常配合使用，用于民间吹打乐和戏曲伴奏。 除汉族外，钹在众多少数民族 …

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