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I have seen this question, and it is relevant to my attempt to compute the dominant eigenvector in … Read more Unexpected Eigenvectors In Numpy

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

I'd like to find a least-squares solution for the a coefficients in z = (a0 + a1*x + a2*y + a3… Read more Equivalent Of `polyfit` For A 2d Polynomial In Python

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

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 have built a small code that I want to use for solving eigenvalue problems involving large sparse… Read more How To Change Elements In Sparse Matrix In Python's Scipy?

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)

I am working on a program that outputs the condition number of a big matrix, so I used the Power Me… Read more How Can I Store Float Numbers Larger Than 1*10^310 In Python?

greetings, I'm not sure if this is a dumb question or not. Lets say I have 3 numpy arrays, A1,A… Read more Linear Combinations In Python/numpy

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?