符号数学库中的C / C ++ /的OBJ-C [英] Symbolic Math Library in C/C++/Obj-C

问题描述

我想实现在iPhone上使用图形计算器。我在寻找一个可以采取前pressions或函数的字符串，让我操纵它们的库（找衍生物，拦截，零，等）。难道这样的事情存在吗？

I am trying to implement a graphing calculator on the iPhone. I am looking for a library that can take strings of expressions or functions and let me manipulate them (find derivatives, intercepts, zeros, etc). Does anything like this exist?

推荐答案

有的 GiNaC 了解C ++ 。 GPL许可，并积极维护，最后更新仅在一个月前。我发现老链接，有不少人认为好像不存在了;也许人们只是发现它更容易使用GiNaC？

There's GiNaC for C++. GPL-licensed and actively maintained, last update only a month ago. I found old links to many others that don't seem to exist anymore; perhaps people simply found it easier to use GiNaC?

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