I keep getting the error "Index exceeds array bounds".

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zain yousaf
zain yousaf 2020-6-3
% INITIALIZE THE NEURAL NETWORK PROBLEM %
% inputs for the neural net(AND gate example== 2 inputs && 4 samples)
inputs = inputs';
% targets for the neural net
targets = TargetNormalized';
% number of neurons
n = 4;
% create a neural network
net = feedforwardnet(n);
% configure the neural network for this dataset
net = configure(net, inputs, targets);
% get the normal NN weights and bias
getwb(net)
% error MSE normal NN
error = targets - net(inputs);
calc = mean(error.^2)/mean(var(targets',1))
% create handle to the MSE_TEST function, that
% calculates MSE
h = @(x) NMSE(x, net, inputs, targets);
% Setting the Genetic Algorithms tolerance for
% minimum change in fitness function before
% terminating algorithm to 1e-8 and displaying
% each iteration's results.
% PLEASE NOTE: For a feed-forward network
% with n hidden neurons, 3n+n+1 quantities are required
% in the weights and biases column vector.
% a. n for the input weights=(features*n)=2*n
% b. n for the input biases=(n bias)=n
% c. n for the output weights=(n weights)=n
% d. 1 for the output bias=(1 bias)=1
% running the particle swarm optimization algorithm with desired options
[x, err_ga] = pso(h, 2*n+n+n+1)
net = setwb(net, x');
% get the PSO optimized NN weights and bias
getwb(net)
% error MSE PSO optimized NN
error = targets - net(inputs);
calc = mean(error.^2)/mean(var(targets',1))
% Index exceeds array bounds.
Error in separatewb (line 34)
iw{i,j} = reshape(wb(hints.iwInd{i,j}),...
Error in setwb (line 23)
[b,IW,LW] = separatewb(net,wb,hints);
Error in NMSE (line 7)
net = setwb(net, wb);
Error in main>@(x)NMSE(x,net,inputs,targets)
Error in pso (line 67)
particle(i).Cost=CostFunction(particle(i).Position);
Error in main (line 43)
[x, err_ga] = pso(h, 2*n+n+n+1)
Im keep geeting this error, no solution

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