Related to function call

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SHRUTHI k
SHRUTHI k 2015-9-14
评论： SHRUTHI k 2015-9-16
Hello..I seek help in writing MATLAB code. I have written a code for some operation and I am getting the result. But I want to call this functio code in my main code. I know how to do function call but i don't know which syntax to use at the end of function code so that I can pass the final value to my main code. For example, I have a code for convolution "my_conv.m" without using builin conv(x,h). In my main code I used the syntax "my_conv(..,..);" for function call. Which syntax I need to use at the end of "my_conv" for passing the result to main code? Similar to this I am using many other functions for different operations. Thank you in advance.

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Guillaume
Guillaume 2015-9-14
Have you looked at the help of function? It's all explained in there.
You declare which variable you want to return in the first line of your code:
function returnvalue = myfunc(someinput, someotherinput)
%output of function is returnvalue
%...
end
and you call it:
value = myfunc(a, b)
See the help linked above to see how to return more than one output from a function.
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Walter Roberson
Walter Roberson 2015-9-16
In .m files that start with "function", the rule is that you have to do it the same way every time: you can have functions that have matching "end", or you can have functions that do not have matching "end", but you cannot have both types in the same file. Having a matching "end" means something slightly different: it can be optimized more, but you cannot create new variables dynamically in the function by using eval() or related routines or by using load() without an output parameter.

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