SOLUTION: Do you know any software/library that automatically solves a system of linear inequations?, namely a function whose input is a system of inequalities and the output is the area whe

Question 480817: Do you know any software/library that automatically solves a system of linear inequations?, namely a function whose input is a system of inequalities and the output is the area where the equations hold? I am a computer engineer and I know how to do it, but I don't want to waste my time if there is already a package-like for that kind of problem.
Thanks for your help.
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
Many graphing calculators can solve systems of linear equations by converting into reduced row-echelon form (I think the syntax is rref([matrix]) on the TI-84 and TI-NSpire). Wolfram Alpha can also solve those and also systems of inequalities, for example:

http://www.wolframalpha.com/input/?i=x+%2B+y+%3E+2+and+x+-+y+%3C+5
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