python - Numpy para qué sirve el -1 en reshape () - Stack Overflow en ...
Nov 29, 2020 · Lo que hace reshape(-1) es mantener esa dimensión de tamaño indefinido y hacer que se ajuste al resto de las dimensiones, por eso numpy solo te lo permite hacer una única vez, ya que …
python - How does numpy reshape works? - Stack Overflow
Apr 2, 2015 · 9 When you use b = a.reshape((5,4,5)) you just create a different view on the same data used by the array a. (ie changes to the elements of a will appear in b). reshape() does not copy data …
python - Reshape an array in NumPy - Stack Overflow
Jan 23, 2013 · Reshape an array in NumPy Asked 12 years, 10 months ago Modified 6 years, 5 months ago Viewed 146k times
python - What is x_train.reshape () and What it Does? - Stack Overflow
May 2, 2020 · 0 reshape() function is generally used to change the shape of an array without changing the data. x_train.reshape([-1,num_features]) in this command x_train will be converted into 2D array. …
python - What is the difference between resize and reshape when …
Jan 7, 2017 · I have just started using NumPy. What is the difference between resize and reshape for arrays?
How can I reshape a 2D array into 1D in python? - Stack Overflow
Oct 29, 2022 · If I surmise correctly. In Python, the extend() method can be used to flatten a nested list into a 1D list efficiently. This method appends the elements of each inner list to an outer list. Below is …
python - From ND to 1D arrays - Stack Overflow
Conclusion ravel and reshape(-1) 's execution time was consistent and independent from ndarray size. However, ravel is tad faster, but reshape provides flexibility in reshaping size. (maybe that's why …
How to flatten only some dimensions of a numpy array
Sep 12, 2013 · You can specify the dimension with a -1: From numpy.reshape One shape dimension can be -1. In this case, the value is inferred from the length of the array and remaining dimensions. …
numpy with python: convert 3d array to 2d - Stack Overflow
Sep 29, 2015 · Flaw: The reshape starts from the first dimension and reshapes the remainder, this solution has the potential to mix the values from the third dimension. Which in the case of images …
python - Numpy "Fortran"-like reshape? - Stack Overflow
Numpy "Fortran"-like reshape? Asked 5 years, 2 months ago Modified 4 years, 11 months ago Viewed 2k times