tf.meshgrid + stack函數

x = [0 , 0.2, 0.4, 0.6, 0.8] len(x) = 5 y = [0, 0.33, 0.66] len(y) = 3 x_shift, y_shift = tf.meshgrid(x, y) 把Y的維度拿來給X的col維方向做延伸 x_shift = [[0. , 0.2, 0.4, 0.6, 0.8], [0. , 0.2, 0.4, 0.6, 0.8], [0. , 0

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