How to find Matlab Function blocks in a model?

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Hadi Zyien
Hadi Zyien 2019-5-30
编辑： Christophe Pouillot 2023-11-14
I would like to use find_system to find all MATLAB Function blocks (from the User-Defined Functions library) in a model. The problem is that all MATLAB Function blocks are of BlockType SubSystem. What parameters can I use to only find the MATLAB Function blocks?

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采纳的回答

Monika Jaskolka
Monika Jaskolka 2019-6-5
isMLfunction = strcmp(get_param(gcb, 'SFBlockType'), 'MATLAB Function');
See https://www.mathworks.com/matlabcentral/answers/156628-how-to-recognize-stateflow-blocks-using-simulink-api-get_param

更多回答（2 个）

Murugan C
Murugan C 2019-5-31
Hi Hadi Zyien
Yes, We have to use find_system to find matlab function block. After that, we need to use get_param command for finding matlab function block. Matlab Function block will have three to four parametes, as like
get_blocks ={' Demux ';' Ground ';' SFunction ';' Terminator '};
Use below code.
clc
clear
find_mat_fn = find_system(gcs,'BlockType','SubSystem'); % finding Subsytem
mat_fn = {' Demux ';'Ground';' SFunction ';' Terminator '}; % default parameter for Matlab Function Block
mat_blk_name = 1;
for i = 1 : length(find_mat_fn)
get_blocks = get_param(find_mat_fn{i}, 'Blocks'); % Blocks will returns what are the blocks used in subsystem
check_block = find(ismember(get_blocks,mat_fn) == 1); % comparing with default parameter
if check_block
matlab_fcn_blck{mat_blk_name} = find_mat_fn{i};
mat_blk_name = mat_blk_name + 1;
end
end
disp(matlab_fcn_blck)
/Murugan
Christophe Pouillot
Christophe Pouillot 2023-11-14
编辑：Christophe Pouillot 2023-11-14
Use the following code lines to find MATLAB function blocks:
rt = sfroot;
m = rt.find('-isa','Stateflow.EMChart')
It uses the powerfull yet under-recognized Stateflow API https://fr.mathworks.com/help/stateflow/ref/sfroot.html
Despite its name, I believe it is available with Simulink alone.

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