Is there a good way to retrieve variable names of function inputs when the variables are cell indexed?

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I have a function, say myfun(varargin) which accepts variable number of inputs. These input variables are also cell indexed.
Now, is there an elegant way of retrieving the variable names in the function? I did go through the documentation for inputname, but I could not find anything for cell indexed variables.
myfun(varargin)
nVarargs = length(varargin);
v=[];
for i = 1:nVarargs
v = [v; NameOfInputVariable];
end %for i = 1:nVarargs
end % myfun(varargin)
% Calling the function
num1.real = [1 2 3.4];
num2.imag = [5 3 1.9];
myfun(num1.real, num2.imag);

回答(1 个)

Walter Roberson
Walter Roberson 2017-3-29
inputname() only works when variables are passed, not when expressions are passed, and your num1.real is an expression rather than a variable.
You would have to do something like,
num1_real = [1 2 3.4];
num2_imag = [5 3 1.9];
myfun(num1_real, num2_imag);
Having done that, you can use
function v = myfun(varargin)
nVarargs = length(varargin);
v = {};
for i = 1:nVarargs
v{i} = inputname(i); %notice it is the argument _number_
end
end

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