Mathcad感觉就是教学用用的，用于简单的数学问题，跟其他三个科学计算软件不是在一个数量级上。Matlab基于矩阵，传说是擅长数值运算，但跟Maple和Mathematica相比，在数值运算上并不见得会有多大的优势。Matlab最大的优势是庞大且丰富的工具箱，对于工程应用来说，Matlab都有各种现成的工具箱，方便 ... From bing.com
Maple 符号计算特别强大，很久以前Matlab的符号计算系统还是用的Maple内核。 不过国内Maple相对小众， Mathematica 使用人数相对较多，当然论普及度还是不如Matlab更popular。 从Maple和Mathematica的官网来看，两者都是把对方当竞品来看待的。 From bing.com
In general Maple is more powerful on solving Integral equations, differential equations and Groebner basis, Mathematica is more powerful for integration, recurrence relations, equation solving and simplification. From bing.com
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