Python Library

I was looking for a built in method to convert an linear array to triangular matrix. As I failed in… Read more Numpy: Convert An Array To A Triangular Matrix

I have a big matrix of shape (977,699). I would like to compute the sum of the elements along a lin… Read more Sum Elements Along A Line Of Numpy Array

Let's say I've got a matrix like this: mat1 = np.array([1,0,1], [1,1,0], [0,0,0]); And I&#… Read more How Does One Test If A Matrix In Python Has Only 1's And 0's?

I am looking for the most efficient way to get the Jacobian of a function through Pytorch and have … Read more Pytorch Most Efficient Jacobian/hessian Calculation

I have an array A whose shape is (N, N, K) and I would like to compute another array B with the sam… Read more Compute Inverse Of 2d Arrays Along The Third Axis In A 3d Array Without Loops

I have a tensor U composed of n matrices of dimension (d,k) and a matrix V of dimension (k,n). I w… Read more Tensor Multiplication With Numpy Tensordot

I found a link where it is shown with an example that the Matlab mldivide operator (\) gives 's… Read more How Can I Obtain The Same 'special' Solutions To Underdetermined Linear Systems That Matlab's `a \ B` (mldivide) Operator Returns Using Numpy/scipy?

Haven't been able to find any information on this. If I have two m x n matrices of identical di… Read more How To Perform Element-wise Custom Function With Two Matrices Of Identical Dimension

I prepare a matrix of random numbers, calculate its inverse and matrix multiply it with the origina… Read more How To Arrive At The Unit Matrix From Numpy.dot(a, A_inv)

What would be the most efficient way to multiply (element-wise) a 2D tensor (matrix): x11 x12 .. x1… Read more Efficient Element-wise Multiplication Of A Matrix And A Vector In TensorFlow