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Showing posts with the label Linear Algebra

Numpy - Modal Matrix And Diagonal Eigenvalues

I wrote a simple Linear Algebra code in Python Numpy to calculate the Diagonal of EigenValues by ca… Read more Numpy - Modal Matrix And Diagonal Eigenvalues

Multiplying Tensors Containing Images In Numpy

I have the following 3rd order tensors. Both tensors matrices the first tensor containing 100 10x9 … Read more Multiplying Tensors Containing Images In Numpy

How Can I Obtain The Same 'special' Solutions To Underdetermined Linear Systems That Matlab's `a \ B` (mldivide) Operator Returns Using Numpy/scipy?

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?

Numpy: Convert An Array To A Triangular Matrix

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

Equivalent Of `polyfit` For A 2d Polynomial In Python

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

Matrices Are Not Aligned Error: Python Scipy Fmin_bfgs

Problem Synopsis: When attempting to use the scipy.optimize.fmin_bfgs minimization (optimization) f… Read more Matrices Are Not Aligned Error: Python Scipy Fmin_bfgs

How To Arrive At The Unit Matrix From Numpy.dot(a, A_inv)

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 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?