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
Nov 30, 2017 · 82 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 …
What does shape[0] and shape[1] do in python? - Stack Overflow
Jul 21, 2018 · In python shape [0] returns the dimension but in this code it is returning total number of set. Please can someone tell me work of shape [0] and shape [1]? Code: m_train = …
I want to know what it means (height,width)=img.shape [:2]
Feb 1, 2021 · It depends on what type the 'img' object is. What are you using? I'm assuming opencv ? Then the shape of the object holds a tuple (rows, columns, channels). …
vba - Get shape by Id or Name - Stack Overflow
Mar 26, 2014 · Is there any way to get a shape if you know its Id? For example: Dim myshape As Shape myshape.Id = 42 myshape = getShapeById(myshape.Id) Or, alternatively, could I get …
python - 'list' object has no attribute 'shape' - Stack Overflow
Jan 9, 2014 · list object in python does not have 'shape' attribute because 'shape' implies that all the columns (or rows) have equal length along certain dimension. Let's say list variable a has …
ValueError: Must pass 2-d input. shape= - Stack Overflow
Mar 31, 2022 · Our objective is to create a data frame with a shape of (2,3,2) as follows: first index or 2 = row in the data frame second index or 3 = columns in the data frame third index or 2 = …
python - Numpy array dimensions - Stack Overflow
Jun 22, 2023 · A piece of advice: your "dimensions" are called the shape, in NumPy. What NumPy calls the dimension is 2, in your case (ndim). It's useful to know the usual NumPy …
Python OpenCV2 (cv2) wrapper to get image size? - Stack Overflow
Sep 30, 2013 · How to get the size of an image in cv2 wrapper in Python OpenCV (numpy). Is there a correct way to do that other than numpy.shape(). How can I get it in these format …