how can i know which toolbox a function is calling?

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joeDiHare 2011-11-22

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回答： Rubaisha Siddiqui 2017-5-9

采纳的回答： Kelly Kearney

在 MATLAB Online 中打开

If I have a function, how can I know which toolbox is using without going through the code?

And also, how can I know which subfunctions a fucntion is calling?

I have used:

profile on
function()
profile viewer

but it looks really messy because it lists also all scripts and built-in

Thanks

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Answer 1

Kelly Kearney 2011-11-23

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I prefer fdep over depfun, because a) it provides a lot more detailed information, including separating the files by toolbox if applicable, and b) I find depfun very buggy and unreliable (I get the same type of crashes you refer to, usually because depfun messed up and is trying to list every function and method associated with some random obscure class that is not actually called by my function but that shares a name with something in the dependency tree).

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joeDiHare 2011-11-23

Thanks

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Answer 2

Thomas 2011-11-22

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在 MATLAB Online 中打开

Use a 'which FucntionName' command

Eg.

>> which qfunc
/Applications/MATLAB_R2011b.app/toolbox/comm/comm/qfunc.m

Tells you that it is using the communication toolbox..

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Sean de Wolski 2011-11-23

That is not necessarily true.

which max

will tell you:

built-in (/Applications/MATLAB_R2009b.app/toolbox/matlab/datafun/@logical/max) % logical method

However, if you run

doc max

you'll see that max is a function in other toolboxes as well and will be invoked when the object is of that class.

Titus Edelhofer 2011-11-24

If you are interested in the various overloaded methods of a function, call "which -all max". Titus

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Answer 3

Titus Edelhofer 2011-11-23

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Hi,

usually depfun is indeed the answer, but it has it's limitations as you saw. One rather simple (although not optimal) way is the following: start fresh MATLAB, run your GUI (and click around the buttons that might invoke computations) and try afterwards

license('inuse')

It tells you the toolboxes that have been aquired from the license manager (.i.e., the toolboxes your code used.

Titus

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Answer 4

Fangjun Jiang 2011-11-22

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try depfun()?

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joeDiHare 2011-11-23

this looks very interesting, but for a bit more sofisticated function (e.g. my GUI.m), depfun takes ages untill my machine eventually chrashes.

Do you know how could i do?

Fangjun Jiang 2011-11-23

Try some of the options of depfun(), such as '-toponly', '-quite'.

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Answer 5

Rubaisha Siddiqui 2017-5-9

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can anybody please tell me to which Toolbox trainedClassifer belongs? everytime i run the code its gives an error Undefined variable "trainedClassifier"