MATLAB Function Interface Error: Error calling MATLAB function 'sim'

I am calling sim function in a user defined matlab function block to test the inputs using neural network trained data stored in 'net' variable, I get this error
MATLAB Function Interface Error: Error calling MATLAB function 'sim'. Block Neural Network Function (#108) While executing: none
My code is
function [tau1p,tau2p] = Nntwork(theta1,theta1d,theta2,theta2d,theta1dd,theta2dd)
coder.extrinsic('load');
coder.extrinsic('sim');
net=load('trainednet.mat');
a=sim(net,[theta1;theta1d;theta1dd;theta2;theta2d;theta2dd]);
tau1p=1;
tau2p=a2;

3 个评论

I met with the similar proble, have you solved it ?
I wonder if the difficulty is related to the fact that sim() is a method of neural networks but also the function to invoke simulink ?
Code generation does not appear to be possible with the neural network sim method, so this code would not work with rapid acceleration turned on.
Thanks. Your answer makes some sense. I think mabye I have to try some other ways.

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