Is there any way to see if the functions I am using in a script/code are included in toolboxes or in the basic Matlab ?

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Sim 2022-11-10

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https://ww2.mathworks.cn/matlabcentral/answers/1847783-is-there-any-way-to-see-if-the-functions-i-am-using-in-a-script-code-are-included-in-toolboxes-or-in

评论： Sim 2022-11-14

采纳的回答： Mario Malic

Is there any way to see if the functions I am using in a script/code are included in toolboxes or in the basic Matlab ?

The best would be to get a list of functions that come from toolboxes and the toolbox's name just beside.

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Dyuman Joshi 2022-11-10

在 MATLAB Online 中打开

You can use which, but you will have to extract the information (Though it might not give the full toolbox name)

%signal processing toolbox
m=which('chirp','-all')
m = 1×1 cell array
    {'/MATLAB/toolbox/shared/siglib/chirp.m'}
%inbuilt
n=which('ismember','-all')
n = 79×1 cell array
    {'/MATLAB/toolbox/matlab/ops/ismember.m'                               }
    {'/MATLAB/toolbox/matlab/ops/@cell/ismember.m'                         }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'/MATLAB/toolbox/matlab/codetools/@mtree/ismember.m'                  }
    {'/MATLAB/toolbox/matlab/datatypes/categorical/@categorical/ismember.m'}
    {'/MATLAB/toolbox/matlab/datatypes/tabular/@tabular/ismember.m'        }
    {'/MATLAB/toolbox/matlab/datatypes/datetime/@datetime/ismember.m'      }
    {'/MATLAB/toolbox/matlab/datatypes/duration/@duration/ismember.m'      }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
    {'ismember is a built-in method'                                       }
%symbolic toolbox
p=which('syms','-all')
p = 1×1 cell array
    {'/MATLAB/toolbox/symbolic/symbolic/syms.m'}
%inbuilt
q=which('hypot','-all')
q = 7×1 cell array
    {'built-in (/MATLAB/toolbox/matlab/elfun/@double/hypot)'   }
    {'built-in (/MATLAB/toolbox/matlab/elfun/@single/hypot)'   }
    {'hypot is a built-in method'                              }
    {'hypot is a built-in method'                              }
    {'/MATLAB/toolbox/parallel/gpu/@gpuArray/hypot.m'          }
    {'/MATLAB/toolbox/parallel/parallel/@codistributed/hypot.m'}
    {'/MATLAB/toolbox/symbolic/symbolic/@sym/hypot.m'          }

As you can see, functions which are a part of a toolbox return a 1x1 cell array.

if isequal(size(p),[1 1])
    %extract the name of the toolbox
end

Jeffrey Clark 2022-11-10

@Sim, or just go to MATLAB Documentation (mathworks.com) and start typing the command and you will get a drop-down as you type showing them (if you copy and paste in the drop-down doesn't happen so you have to hit enter to see the seach returns but I usually just backspace away the last character to get the drop-down):

Sim 2022-11-14

thanks a lot for your comments!! :-)

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采纳的回答

Mario Malic 2022-11-10

编辑：Mario Malic 2022-11-10

Hello,

There is a function for that dependencies.toolboxDependencyAnalysis, however it doesn't return the name of the function which requires the particular toolbox.

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Mario Malic 2022-11-10

This works properly if you have Simulink. I think this function should be moved to base MATLAB package.

Sim 2022-11-14

thanks a lot for your comments!! :-)

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