built-in functions used in polyval

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vrettok
vrettok 2015-10-22
回答： Walter Roberson 2015-10-23
How can I find out which built in functions does polyval uses? (or any other for that matter)

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回答（3 个）

John D'Errico
John D'Errico 2015-10-22
matlab.codetools.requiredFilesAndProducts('polyval')
ans =
{}
Or,
type polyval
which is safer than edit, since you cannot accidentally edit the code and create a bug.
  2 个评论
vrettok
vrettok 2015-10-23
编辑：vrettok 2015-10-23
Thank you John but "type" isn't exactly what i'm looking for. I wasn't clear on my question. Is there a way to get a list of all these functions that are being used from an other function(like polyval)? I mean you can see them manually if you "type polyval", but is there a way to get a list of them?
Steven Lord
Steven Lord 2015-10-23
How would you use such a list once you've generated it?

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TastyPastry
TastyPastry 2015-10-22
Command window -> edit polyval
Walter Roberson
Walter Roberson 2015-10-23
You can use the profiler when you run polyval.
However, profiler tends not to list MATLAB built-in functions. Remember that nearly all calculation on MATLAB involves calling functions: see http://uk.mathworks.com/matlabcentral/answers/38787-what-can-be-programmed-without-any-built-in-functions

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