适用于Iphone项目的Objective-C数学库 [英] Math Libraries for Objective - C to be used in Iphone projects

问题描述

不想重新发明轮子，Objective-C(适用于iPhone)中是否有任何开源(或随附)数学库可以计算内部收益率(IRR)或修改的内部收益率(MIRR) )?

Not wanting to re-invent the wheel, are there any open-source (or included) math libraries in Objective-C (for iPhone) that can calculate Internal Rate of Return (IRR) or Modified Internal Rate of Return (MIRR)?

如果有人已经做完，我不愿意重新做所有的工作.

I'd hate to have to re-do all that work if someone out there has already done it.

谢谢！

推荐答案

GNU是任何一种数学计算的另一种选择，但它是一个C库，因此不是面向对象的.

GNU is another option for any kind of mathematical calculation but it is a C library so not object oriented.

http://www.gnu.org/software/gsl/

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