Topic: java如何解释数学公式？

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1.java如何解释数学公式？ Copy to clipboard
Posted by: alix1997
Posted on: 2006-08-31 22:28

哪位高手有公式解析的源代码？包括可以解析常用函数的！很急！先谢谢了！
2.Re:java如何解释数学公式？ [Re: alix1997] Copy to clipboard
Posted by: why
Posted on: 2006-09-01 00:51

Tell us why you're 很急.

Tell us which 常用函数 are required.

Tell us what you've tried to search.
3.Re:java如何解释数学公式？ [Re: alix1997] Copy to clipboard
Posted by: alix1997
Posted on: 2006-09-01 20:45

我做的一个模块需要用户输入数学公式，其中包括常用函数（三角函数、开方等），数据从数据库中提取，如何才能解析用户输入的公式？比如：
输入：3*（6-2）-sqrt(4) 通过程序能得到计算结果10！
4.Re:java如何解释数学公式？ [Re: alix1997] Copy to clipboard
Posted by: floater
Posted on: 2006-09-01 22:04

javacc and antlr
5.Re:java如何解释数学公式？ [Re: floater] Copy to clipboard
Posted by: alix1997
Posted on: 2006-09-03 05:19

谢谢floater!但是javacc和 antlr 都没用过，现学如何入门啊？
6.Re:java如何解释数学公式？ [Re: alix1997] Copy to clipboard
Posted by: ranchgirl
Posted on: 2006-09-03 06:16

谢谢floater!但是javacc和 antlr 都没用过，现学如何入门啊？


You never learn something "没用过" before???
Now it is the time to learn and use something "没用过"!!!!!!

Start with a google search
download the software
read a web tutorial
play with the examples came with the software
do your own job!!!!
7.Re:java如何解释数学公式？ [Re: alix1997] Copy to clipboard
Posted by: gaoxt1983
Posted on: 2006-09-04 12:06

In the future, if you still in J2EE, you will often encount this .
8.Re:java如何解释数学公式？ [Re: alix1997] Copy to clipboard
Posted by: alix1997
Posted on: 2006-09-04 21:08

谢谢这么多朋友的关心！

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