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Showing posts with the label Linear Algebra
Tensor Multiplication With Numpy Tensordot

Tensor Multiplication With Numpy Tensordot

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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
Quickly And Efficiently Calculating An Eigenvector For Known Eigenvalue

Quickly And Efficiently Calculating An Eigenvector For Known Eigenvalue

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Short version of my question: What would be the optimal way of calculating an eigenvector for a mat… Read more Quickly And Efficiently Calculating An Eigenvector For Known Eigenvalue
How To Create Random Orthonormal Matrix In Python Numpy

How To Create Random Orthonormal Matrix In Python Numpy

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Is there a method that I can call to create a random orthonormal matrix in python? Possibly using n… Read more How To Create Random Orthonormal Matrix In Python Numpy
Matrices Are Not Aligned Error: Python Scipy Fmin_bfgs

Matrices Are Not Aligned Error: Python Scipy Fmin_bfgs

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

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

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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
Fastest Way To Solve Least Square For Overdetermined System

Fastest Way To Solve Least Square For Overdetermined System

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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