How can I plot before running through calculations in a function?

Jeremy

2012 10 25

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I have a plotting function embedded in a larger function. I would like to have the plot show up before it is finished with all the number crunching. The over all function takes a while to run and I would like to be able to check the plot to ensure all of the inputs are correct before waiting for it to finish the rest of the function. Is there any way to accomplish this?

Thanks,

-Jeremy

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Matt Kindig 2012-10-25

在 MATLAB Online 中打开

I suppose you want to plot the inputs, and then allow the user to verify that the inputs look good before continuing? If so, a simple way is to insert a 'pause' command after the plotting is performed. That forces the user to press the space bar (after visually confirming the inputs are valid), before continuing.

doc pause

You could even make it more sophisticated, by allowing the user to select whether to continue with the function running, or jump out now. Something like this:

s = input('Are inputs valid (y/n)? ', 's');
if ~strcmpi(s, 'y'),  %if not a 'y' answer, 
  return;             %exit function now
end

Jeremy 2012-11-2

Thanks for the advice, I ended up just having it pause for a split second to plot and then continue. That way I didn't have to do anything for it to keep working through.

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