there is a matlab function in simulink that applies algebraic loops. I do not understand how the initial conditions of the input even though the input can be from output, which is where the mathematical process of output also requires input. Does the input have to have initial conditions or not? but in this matlab function is not initialized.
one of the contents of fcn as follows:
function [calc_flux,output] = fcn(frame,input)
output=log(1+1000)
a=output-input
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