What does .shape [] do in "for i in range (Y.shape [0])"?
shape is a tuple that gives you an indication of the number of dimensions in the array. So in your case, since the index value of Y.shape[0] is 0, your are working along the first dimension of …
Difference between numpy.array shape (R, 1) and (R,)
Shape n, expresses the shape of a 1D array with n items, and n, 1 the shape of a n-row x 1-column array. (R,) and (R,1) just add (useless) parentheses but still express respectively 1D …
arrays - what does numpy ndarray shape do? - Stack Overflow
2017年11月30日 · yourarray.shape or np.shape() or np.ma.shape() returns the shape of your ndarray as a tuple; And you can get the (number of) dimensions of your array using …
python - x.shape [0] vs x [0].shape in NumPy - Stack Overflow
2018年1月7日 · x[0].shape will give the Length of 1st row of an array. x.shape[0] will give the number of rows in an array. In your case it will give output 10. If you will type x.shape[1], it will …
python - What does -1 mean in numpy reshape? - Stack Overflow
2013年9月9日 · When reshaping an array, the new shape must contain the same number of elements as the old shape, meaning the products of the two shapes' dimensions must be …
PyTorch: How to get the shape of a Tensor as a list of int
2017年10月19日 · P.S.: Note that tensor.shape is an alias to tensor.size(), though tensor.shape is an attribute of the tensor in question whereas tensor.size() is a function. Share Improve this …
'list' object has no attribute 'shape' - Stack Overflow
2014年1月9日 · shape only gives the output only if the variable is attribute of numpy library. In other words it must be a np.array or any other data structure of numpy. In other words it must …
python - Numpy array dimensions - Stack Overflow
2023年6月22日 · In Numpy, dimension, axis/axes, shape are related and sometimes similar concepts: dimension In Mathematics/Physics , dimension or dimensionality is informally …
vba - Get shape by Id or Name - Stack Overflow
2014年3月26日 · Sub PrintShapeName() Debug.Print getNameByID(3, 1) End Sub Function getNameByID(shapeID As Long, slide As Integer) Dim ap As Presentation: Set ap = …
python - Explaining the differences between dim, shape, rank, …
2014年3月1日 · np.dot is a generalization of matrix multiplication. In regular matrix multiplication, an (N,M)-shape matrix multiplied with a (M,P)-shaped matrix results in a (N,P)-shaped matrix.