Error: File: Untitled8.m Line: 7 Column: 1 At least one END is missing: the statement may begin here.

X = load('diabetes_dataset.csv');
W1 = rand(3,4);
W2 = rand(1,3);
b1 = rand(3,1);
b2 = rand(1,1);
y = [ones(1,50) 2*ones(1,50) 3*ones(1,50)]';
for j = 1:100 %for epoch
for i = 1:150 %for iteration through dataset
x1 = X(i,:)';
z1 = W1*x1 + b1;
a1 = tanh(z1);
z2 = W2*a1 + b2;
a2 = relu(z2);
dz2 = (a2 - y(i)).*reluGradient(a2); %this is delta L
dw2 = dz2*transpose(a1); %The derivative term of Lth
db2 = dz2; %for the bias
g1 = 1 - a1.^2; %Derivative
dz1 = transpose(W2)*dz2 .* g1; %FOr delta l
dw1 = dz1*transpose(x1); %derivative term for lth layer
db1 = dz1; %bias update
W1 = W1 - 0.1*dw1;
b1 = b1 - 0.1*db1;
W2 = W2 - 0.1*dw2;
b2 = b2 - 0.1*db2;
end

[Walter Roberson]

You end the for i but you do not end the for j