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MATLAB Symbolic or MuPAD, How can i get a dependent variable of equation in terms of the other variables?

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Hi
Using Matlab symbolic toolbox or MuPad, i 've a long symbolic equation Y in terms of alot of symbols (X,a,b,V....) How can i get X in terms of all the others ?
simple example: Y= X^2 + Z^3 how can i get X in terms of Y Z... ? i.e .. how to get this ... X= sqrt(Y-Z^3)
Thanks alot

回答 (1 件)

Deepak Ramaswamy
Deepak Ramaswamy 2014 年 6 月 6 日
>> solve(y-x^2-z^3,x)
ans =
(- z^3 + y)^(1/2)
-(- z^3 + y)^(1/2)

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