Problem with square brackets in fSolve
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09-08-2023, 08:56 AM
Post: #1
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Problem with square brackets in fSolve
I wanted to solve a system of 2 equations with X and Y as unknowns. Whenever I opened the square brackets a +/- sign was included that could not be removed. So it looked different to the examples in the manual.
So I went to CAS menue (not in CAS mode) and Numerical Solve so there was CAS.fsolve() on the screen. Then I pressed Help. There were two examples. The second example was fsolve([x²+y-2,x+y²-2],[x,y],[0,0]) I pressed Example and highlighted the second example. When I copied it I got: CAS.fsolve([x²+y-2 x+y²-2 +/-],[x y +/-],[0 0 +/-]) Pressing Enter gives message: Error: Syntax Error It seems that the elements in the square brackets are interpreted as elements of a matrix. How can I use the fSove function for more than one equation? Thank you very much for your help! |
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Messages In This Thread |
Problem with square brackets in fSolve - rawi - 09-08-2023 08:56 AM
RE: Problem with square brackets in fSolve - Didier Lachieze - 09-08-2023, 11:29 AM
RE: Problem with square brackets in fSolve - rawi - 09-08-2023, 04:17 PM
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