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What is the function for varargin?

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Amra Rajuli
Amra Rajuli 2018-3-28
评论： Walter Roberson 2018-3-28
I run a script and the error message was
">> quiver_bak(varargin)
Attempt to execute SCRIPT varargin as a function:
C:\Program Files\MATLAB\R2017b\toolbox\matlab\lang\varargin.m".
What i have to type as a function?
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Amra Rajuli
Amra Rajuli 2018-3-28
Thank you, I will remove the attachment

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回答（1 个）

Stephen23
Stephen23 2018-3-28
编辑：Stephen23 2018-3-28
Do NOT use varargin outside of any function: it only works inside of a function. Call your function like this:
quiver(X,Y,...)
Where X, Y, etc are any input variables or values that the function needs.
The code you attached (a copyrighted copy of quiver) has this example, note how it does not use the term varargin anywhere:
[x,y] = meshgrid(-2:.2:2,-1:.15:1);
z = x .* exp(-x.^2 - y.^2); [px,py] = gradient(z,.2,.15);
contour(x,y,z), hold on
quiver(x,y,px,py)

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