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Showing posts with the label Linear Algebra

What Is The Significance Of Omega In Successive Over Relaxation Rate Method?

I have the following matrix I have transformed this to strictly dominant matrix and applied Guass-… Read more What Is The Significance Of Omega In Successive Over Relaxation Rate Method?

How To Perform Element-wise Custom Function With Two Matrices Of Identical Dimension

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

Compute Inverse Of 2d Arrays Along The Third Axis In A 3d Array Without Loops

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

Getting The Singular Values Of Np.linalg.svd As A Matrix

Given a 5x4 matrix A = A piece of python code to construct the matrix A = np.array([[1, 0, 0, 0], … Read more Getting The Singular Values Of Np.linalg.svd As A Matrix

Fastest Way To Solve Least Square For Overdetermined System

I have a matrix A of size m*n( m order of ~100K and n ~500) and a vector b. Also, my matrix is ill-… Read more Fastest Way To Solve Least Square For Overdetermined System

How Can I Store Float Numbers Larger Than 1*10^310 In Python?

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?

Scipy LU Factorization Permutation Matrix

As I understand LU factorization, it means that a matrix A can be written as A = LU for a lower-tri… Read more Scipy LU Factorization Permutation Matrix