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I am trying to run the following algorithm, but it is not providing me the absolute answer as given in the link https://se​.mathworks​.com/help/​symbolic/s​olve-an-al​gebraic-eq​uation.ht

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HINA
HINA 2018-11-22
编辑： HINA 2018-11-22
syms x
[solx, param, cond] = solve(cos(x) == -sin(x), x, 'ReturnConditions', true)

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回答（1 个）

madhan ravi
madhan ravi 2018-11-22
Use vpasolve() for numerical solution
syms x
solx = vpasolve(cos(x) == -sin(x), x)
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HINA
HINA 2018-11-22
编辑：HINA 2018-11-22
Thanks for your answer, but the problem is that I can just get one solution by using this command but I am looking for all the solutions for the given function. Check t5he following link
https://se.mathworks.com/help/symbolic/solve-an-algebraic-equation.html

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