I am looking for P in this equation in Matlab

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Mahdi Koushaeian
Mahdi Koushaeian 2022-4-8
编辑： Mahdi Koushaeian 2022-12-19
I am looking for solving this equation into matlab and find P. I want to solve and find P as other parameters.
I edited my variable. In second attachment shows all parameters.
What should I do if I want to show the P answer as a parameter form?

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回答（1 个）

Davide Masiello
Davide Masiello 2022-4-8
Ran in:
Hopefully this will help @Pooya Jahedi too.
clear,clc
alpha = 0.5;
kH = 1;
P0 = 1;
qm = 2;
kS = 0.01;
n = 4;
qx = 1;
func = @(x) qx-(exp(-alpha*x)*kH*x+(1-exp(-alpha*x))*qm*(kS*x)^(1/n)/(1+(kS*x)^(1/n)));
P = P0*fzero(func,1)
P = 1.5681
  2 个评论
Mahdi Koushaeian
Mahdi Koushaeian 2022-4-8
Thank you for your answering to my question.
What should I do if I want to show the P answer as a parameter form?
Torsten
Torsten 2022-4-8
P cannot be expressed in parameter form - only a numerical solution with given values for the other parameters is possible.

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