Getting the real solutions of non-polynomial equations

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Ratan Rathore
Ratan Rathore 2018년 5월 25일
댓글: sloppydisk 2018년 5월 25일
Hello everyone, I want real solutions sets for 10 variables(a5,a4,a3,a2,a1,b6,b5,b4,b3,b2) out of 10 equations. The equations are on this link: http://textuploader.com/dfe39
I'm getting imaginary solutions using vpasolve() command but I am interested in only real solutions. And if the exact solution is not possible then I want a solution with some tolerance to get real solutions

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sloppydisk
sloppydisk 2018년 5월 25일
What do you mean when you say you only want real solutions, don't you just want the correct solutions? You could take the real part of the solutions by
real(mySolutions)
  댓글 수: 2
sloppydisk
sloppydisk 2018년 5월 25일
Ah, then you might try running vpasolve multiple times with option 'random' set to true to run it for multiple starting points, might be very slow though.
That or using fsolve from the optimization toolbox with multiple starting points .

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