numpy.expand_dims(a, axis)
Examples
>>> x = np.array([1,2]) >>> x.shape (2,) >>> y = np.expand_dims(x, axis=0) >>> y array([[1, 2]]) >>> y.shape (1, 2) >>> y = np.expand_dims(x, axis=1) # Equivalent to x[:,newaxis] >>> y array([[1], [2]]) >>> y.shape (2, 1)
相信看了本文案例你已经掌握了方法,更多精彩请关注Gxl网其它相关文章!
推荐阅读:
python操作excel读写数据
Python Unittest怎么进行自动化的单元测试