Andrew Ng class2 week1：ValueError: c of shape (1, 300) not acceptable as a color sequence for x w...

最后一行改成这个：

plot_decision_boundary(lambda x: predict_dec(parameters, x.T), train_X, np.squeeze(train_Y))

来源：oschina

链接：https://my.oschina.net/u/4346652/blog/4306615