Hello Selen,
The issue you have encountered is due to the "Find Nonzero Elements" block producing a variable-size signal, while the "If Action Subsystem" block expects a fixed-size signal. Instead of converting the variable-size signal to a fixed-size one, here is a simpler and more efficient workaround.
You can utilize the "MATLAB Function" block to write custom code that effectively extracts the index of the minimum value from all values in the array (“Bus Creator” block). The index thus obtained, will be a fixed-size signal, which is compatible with the "If Action Subsystem" block.
Here is the code you can use within the MATLAB Function block to find the index:
function minIndex = fcn(inputArray)
[ ~ , minIndex] = min(inputArray);
end
For a comprehensive understanding of how the "MATLAB Function" block works, please consult the following documentation: https://www.mathworks.com/help/simulink/ug/what-is-a-matlab-function-block.html .
Regards,
Tejas.
