function command hellp

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Nasir Qazi
Nasir Qazi 2012-2-14
编辑： Cedric 2013-10-12
I have a function file have code like this
--------------------------------------------
function GH = Gibbs(R,T,Z,A,B)
% Calculate the Enthalpy, Enropy, Gibbs free energy
GH = R*T*((Z-1)- log(Z-B)- A/B*log(Z+B/Z));
end
------------------------------------------
I have values of R, T, Z, A, B in another m-file , how I compute this by calling the other file for the values of R,T,Z,A,B

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回答（2 个）

Honglei Chen
Honglei Chen 2012-2-14
Let's say the other file is foo.m, then you can modify the signature of foo to return those values, e.g.
function [...,R,T,Z,A,B] = foo(...)
Then you can call them in sequence like this:
[...,R,T,Z,A,B] = foo(...);
GH = Gibbs(R,T,Z,A,B);
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Honglei Chen
Honglei Chen 2012-2-14
I'm starting a new answer

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Honglei Chen
Honglei Chen 2012-2-14
Then I will rewrite the other file into a function, using signatures like
function [T,Z,A,B] = foo(R)
Once you do that, you can call them in order
[T,Z,A,B] = foo(R)
GH = Gibbs(R,T,Z,A,B)
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Honglei Chen
Honglei Chen 2012-2-14
Then you can call it within the other file
function GH = Gibbs
% Calculate the Enthalpy, Enropy, Gibbs free energy
[R,T,A,Z,B] = foo;
GH = R*T*((Z-1)- log(Z-B)- A/B*log(Z+B/Z));
end
Nasir Qazi
Nasir Qazi 2012-2-14
thats it thats wht i am looking for. thx so much

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