Function problem once again

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Danny C 2016-9-1

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/301671-function-problem-once-again

编辑： Stephen23 2016-9-2

Consider the following function and its helper function.

%   1   function E = notebook(in1)
%   2   E = helper(in1);
%   3   end
%   4
%   5   function out3 = helper(in)
%   6   out3 = mod(in,2);
%   7   end

The following code is written in the Command Window and runs without error:

%   >> E = 5;
%   >> F = notebook(E*2);

% Identify the value of the variable E in each of the following Workspaces. % Write DNE if E is not defined in a particular Workspace.

% The value of E in the notebook function Workspace is: J = 0;

Why isn't it 0? And if not, what is the value of E in the notebook function Workspace?

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per isakson 2016-9-2

编辑：per isakson 2016-9-2

notebook is a function of Matlab. Overloading of Matlab functions may cause unexpected behavior. Try to avoid that.

Your functions, notebook and helper, behaves according to my expectations. "Why isn't it 0?" &nbsp It is 0. Obviously, I don't understand the question.