# create new data
alpha = 0.5
hidden_dim = 4
X = matrix(c(0,0,1,0,1,1,1,0,1,1,1,1), nrow=4, byrow=TRUE)
y = matrix(c(0,1,1,0),nrow=4)
# run 13 lines function
learn_gd13(X, y, alpha, hidden_dim)
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