function

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God'sSon
God'sSon 2011-5-18
I am trying to call another function(add) from within my code but i get the following error. Can any one please help.
a=[1 2 3 4 5 6]
[b]=add(a)% the commands of add actually produces d
c=a+d
??? Undefined function or variable "d".
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Jan
Jan 2011-5-18
You could show us the code of "add" to clarify what "actually produces d" means.

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Sean de Wolski
Sean de Wolski 2011-5-18
No. The command add may produce 'd' in its own function workspace, but when it is retrieved it is called 'b' because that's the variable name you're assigning it to.
Did you want:
d = add(a); ?
Or did you want add to put a d in your workspace?
doc assignin
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Sean de Wolski
Sean de Wolski 2011-5-18
function [f d] = add(x)
%do stuff with x to create f and d; e.g.
f = x*pi
d = 11./x
call add with
[f d] = add(a)
or whatever.
doc function for a good description of how they work
God'sSon
God'sSon 2011-5-19
This works fine. Thank you.

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