jankon6的博客

Broadcasting

针对python list类型的数据类型，可以通过list.index(obj)的形式返回 obj对应的index位置。aList = [123, 'xyz', 'zara', 'abc'];print "Index for xyz : ", aList.index( 'xyz' ) ;print "Index for zara : ", aList.index( 'zara' ) ;...

如何生成多维数组ndarray = np.array([[0,1][1,1]])ndarraytype(ndarray) >>array([[1, 0], [0, 1]])>>numpy.ndarray一：[[[i for i in range(3)]for i in rang(3)]for i in range(3)]>>[[...