How to save workspace variables and values a s binary file

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Mos_bad 2018-3-3

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https://ww2.mathworks.cn/matlabcentral/answers/386155-how-to-save-workspace-variables-and-values-a-s-binary-file

评论： Image Analyst 2018-3-5

I wrote a code and want to save all workspace's variables and their values as a .txt file or other formats as a binary file just to print them out. Note I need both variable names and values.

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Walter Roberson 2018-3-5

Are all of the variables pure numeric? Are they all row vectors? Are some of them 2D arrays? Are some of them 3D arrays?

Mos_bad 2018-3-5

they are all pure numeric and row vector

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Image Analyst 2018-3-5

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/386155-how-to-save-workspace-variables-and-values-a-s-binary-file#answer_308329

在 MATLAB Online 中打开

Try this and see if it does what you want:

% Get list of all variables in current workspace.
s = whos 
% Print out variables one by one to the command window.
% Essentially we're using eval() to put each variable on the command line.
% When you do that, MATLAB will report the value to the command line,
% just as if you had manually typed the variable name yourself on the command line.
for k = 1 : length(s)
  thisVariable = s(k).name;
  eval(thisVariable)
end

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Mos_bad 2018-3-5

Great, Thanks for the help. There is still one problem. Is there any way to print out the value of either of the variables just right in front of the variables' names to the command window?

Image Analyst 2018-3-5

在 MATLAB Online 中打开

Try this:

% Get list of all variables in current workspace.
s = whos 
% Print out variables one by one to the command window.
% Essentially we're using eval() to put each variable on the command line.
% When you do that, MATLAB will report the value to the command line,
% just as if you had manually typed the variable name yourself on the command line.
for k = 1 : length(s)
  thisVariable = s(k).name;
  thisValue = eval(thisVariable);
  fprintf('%f is the value for %s.\n', thisValue, thisVariable);
end