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updated 6 days ago

LineIntersection by Matthew Kelly

Given two line segments, compute the intersection point. (simple geometry, geometry, linear algebra)

lineIntersection(A,B,C,D)

TEST_lineIntersection.m

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updated 18 days ago

NMF topic model by Vadim Smolyakov

non-negative matrix factorization (machine learning, linear algebra)

nnmf_topic_demo()

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updated 20 days ago

gptoolbox by Alec

Alec (view profile)

Useful functions for geometry processing, constrainted optimization and image processing. (geometry, geometry processing, linear algebra)

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updated 22 days ago

Gradient Descent Algorithm with Linear Regression on single variable by Sleeba Paul

A useful Machine Learning Algorithm (machine learning, algorithm, gradient)

mesh_grid.m

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updated 27 days ago

Dimensionality Reduction using Generalized Discriminant Analysis (GDA) by Mohammad Haghighat

Generalized Discriminant Analysis - a non-linear feature dimensionality reduction technique (image processing, signal processing, mathematics)

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updated 1 month ago

Gram-Schmidt Process by Anthony Russo

Implements the Gram-Schmidt Process (linear algebra, gram, schmidt)

Gram_Schmidt_process(A)

basis_col(A)

basis_row(A)

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updated 1 month ago

Calculates inverse Z-transform by long division by Tamer Mellik

Tamer Mellik (view profile)

Calculates inverse Z-transform by long division. (linear algebra, inverse ztransform, long division)

ldiv(a,b,N)

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updated 3 months ago

Visualize Linear Algebra by Isaac

Isaac (view profile)

Visualize matrix norms, SVD, and eigenvalues with a GUI! (gui, linear algebra, matrix norm)

visualize_linear_algebra()

vla_eigenvalues(~, ~, callerName)

vla_matrix_norm(~, ~, callerName)

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updated 3 months ago

Newton Raphson Matrix form by Ganindu

Ganindu (view profile)

Newton Raphson for a Linear system of equations (newton raphson, robust, linear algebra)

nrm_linearsyseq.m

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updated 3 months ago

Block-greedy algorithm by Leevan Ling

Basis and trial subspace selection (mathematics, matrix, linear algebra)

blockgreedy.m

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updated 3 months ago

Best fit 3D circle to a set of points by Sam Murthy

Best fit 3D circle to a set of points (linear algebra, approximation)

CircFit3D(circLocs)

RodriguesRotation(providedPts, origNormal, newNormal)

circFit(x,y)

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updated 3 months ago

Exclude elements from array or matrix by Shoaibur Rahman

Exclude elements from array, and rows or columns from matrix (matrix, linear algebra, machine learning)

exclude(x,indx,rc)

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updated 4 months ago

Insert_Vector(A,Locations,Vectors) by MOHAMMED ELAMASSIE

Insert Vectors in matrix (communications, ofdm, linear algebra)

Insert_Vector(A,Locations,Vectors)

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updated 4 months ago

Trilateration code by Abdelmoumen Norrdine

An approach for solving nonlinear problems on the example of trilateration is presented. (trilateration, multilateration, non linear least squa...)

distanzen.m

RecTrilateration.m

Trilateration(P,S,W)

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updated 4 months ago

sdrelton/matrix-est-maxelts by Samuel Relton

MATLAB code to estimate the largest element of a matrix using only matrix-vector products. (linear algebra, norm estimation)

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updated 6 months ago

Permanent of (0,1) Matrix using Kallman in CMEX by Brian Butler

Computes the permanent of a (0,1) matrix. (permanent, matrix, combinatorics)

permKallman.m

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updated 6 months ago

Matrix Permanent using Nijenhuis-Wilf in CMEX. by Brian Butler

Computes the permanent of a square matrix rather fast. (matrix, permanent, linear algebra)

perman_mat(A)

perman.m

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updated 6 months ago

Matrix Permanent Using Recursion in CMEX by Brian Butler

Computes the permanent of a square matrix. (permanent, matrix, linear algebra)

permanent_mat2( A )

permanent.m

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updated 7 months ago

QR/RQ/QL/LQ factorizations by Ivo Houtzager

Ivo Houtzager (view profile)

QR/RQ/QL/LQ factorizations of an array. (linear algebra, qr, rq)

lq.m

make_factor.m

ql.m

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updated 7 months ago

Fast Kronecker matrix multiplication by Matthias Kredler

Fast Kronecker matrix multiplication for matrices of any size (matrix, linear algebra, array)

kronm(Q,x)

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updated 9 months ago

aspera1631/Linear-inversion by Brad Deutsch

An example of linear inversion for my blog (image processing, linear algebra, spectral analysis)

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updated 9 months ago

Linear-Algebra-Tutor by Rosheen

Rosheen (view profile)

This is my term project for the subject linear algebra (computer vision, linear algebra, maths)

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updated 9 months ago

Sparse block diagonal concatenation by Rody Oldenhuis

Sparse version of BLKDIAG() (blkdiag, block diagonal, sparse)

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updated 10 months ago

JQR/JRQ/JQL/JLQ factorizations by Ivo Houtzager

Ivo Houtzager (view profile)

JQR/JRQ/JQL/JLQ factorizations of an array (linear algebra, qr, decomposition)

jlq(A,J,econ,tol)

jql(A,J,econ,tol)

jqr(A,J,econ,tol)

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updated 11 months ago

Equivalent Resistance Calculation of Linear Resistive Network by Mohammad Hossain Mohammadi

Equivalent resistance & node voltage calculations between equivalent nodes in the netlist (matlab, linear algebra, circuit analysis)

LLt_factorization(A)

back_subs(Lt,y)

circuit_nodes(net_branch)

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updated 12 months ago

lobpcg.m by Andrew Knyazev

LOBPCG solves Hermitian partial generalized eigenproblems using preconditioning, competes with eigs (linear algebra, symmetric, partial)

lobpcg(blockVectorX,operatorA,varargin)

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updated 12 months ago

ortha.m by Andrew Knyazev

Orthonormalization Relative to matrix A (linear algebra, orthonormalization, relative)

ortha(A,X)

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updated 12 months ago

subspace.m by Andrew Knyazev

Angle between subspaces. (linear algebra, subspace, angle)

subspace(A,B)

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updated 12 months ago

subspacea.m by Andrew Knyazev

Angles between subspaces. Canonical correlations. (linear algebra, principal, angle)

subspacea(F,G,A)

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updated 12 months ago

pcg.m with 'null' and 'flex' options by Andrew Knyazev

Preconditioned Conjugate Gradients handles homogeneous equations and nonsymmetric preconditioning (linear algebra, preconditioned, conjugate)

pcg(A,b,tol,maxit,M1,M2,x0,opts1,opts2,varargin)

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updated 1 year ago

Bicomplex differentiation by Adriaen

Adriaen (view profile)

Implements a bicomplex class in MATLAB (bicomplex, multicomplex, linear algebra)

bicomplex

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updated 1 year ago

PCA and ICA Package by Brian Moore

Brian Moore (view profile)

Implements Principal Component Analysis (PCA) and Independent Component Analysis (ICA) (correlation, signal processing, linear algebra)

myCenter(Z)

myCenterAndWhiten(Z)

myICA(Z,r,dispFlag)

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updated 1 year ago

Cosine Sine Decomposition by Ivo Houtzager

Ivo Houtzager (view profile)

Cosine Sine Decomposition of an array (linear algebra, cosine, sine)

csd.m

make_csd.m

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updated 1 year ago

Rank-Revealing QR factorization by Ivo Houtzager

Ivo Houtzager (view profile)

Rank-Revealing QR factorization of an array (linear algebra, rankrevealing qr fact..., mathematics)

make_rrqr.m

rrqrx.m

rrqry.m

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updated 1 year ago

Least squares with minimum-norm solution by Ivo Houtzager

Ivo Houtzager (view profile)

Least squares with minimum-norm solution (linear algebra, least, squares)

lsmin.m

lsmind.m

make_lsmin.m

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updated 1 year ago

Total Least Squares with mixed and/or weighted disturbances by Ivo Houtzager

Ivo Houtzager (view profile)

Total Least Squares with mixed and/or weighted disturbances (linear algebra, matrix, solver)

mtls(A1,A2,B,varargin)

tls(A,B,varargin)

wmtls(A1,A2,B,W,varargin)

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updated 1 year ago

ILU(k) Preconditioner by Killian Miller

Computes an ILU factorization with fill level k for general sparse matrices. (differential equation..., linear algebra, ilu)

iluk(A, lfil, Lvl)

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updated 1 year ago

regtools by Per Christian Hansen

Analysis and Solution of Discrete Ill-Posed Problems. (discrete, illposed, regularization)

lsqi.m

art.m

app_hh(A,beta,v)

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updated 1 year ago

Complex matrix inversion by Real matrix inversion by Feng Cheng Chang

Calculate the complex matrix inverse by using only real matrix inverse (mathematics, matlab, matrix)

inv_CR(M)

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updated 1 year ago

gram schmidt by Vadim Smolyakov

modified gram schmidt decomposition (linear algebra, communications)

gram_schmidt.m

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updated 1 year ago

OLS by Marco Cococcioni

This functions implements the algorithm of Orthogonal Least Squares.It can be used to rank regressor (ols, linear algebra, orthogonal least squa...)

ols.m

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updated 1 year ago

Slides for the video "Direct Methods for Sparse Linear Systems : the MATLAB sparse backslash" by Tim Davis

Tim Davis (view profile)

Slides for a plenary talk at the 2006 SIAM Annual Meeting (whitepaper, article, paper)

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updated 1 year ago

MESHND by Tim Davis

Tim Davis (view profile)

creation and nested dissection of regular 2D and 3D meshes (nested dissection, linear algebra, sparse)

meshnd

meshnd_example

meshnd_quality

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updated 1 year ago

UFget: MATLAB interface to the UF sparse matrix collection by Tim Davis

Tim Davis (view profile)

Downloads sparse matrices from the web directly into the MATLAB workspace, from a vast range of real (linear algebra, sparse, matrix)

UFget

UFget_defaults

UFget_lookup

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updated 1 year ago

spok: checks if a MATLAB sparse matrix is OK by Tim Davis

Tim Davis (view profile)

Useful for mexFunction authors only (linear algebra, sparse, mex)

spok

spok_install

spok_test

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updated 1 year ago

LINFACTOR: uses LU or CHOL to factorize a matrix, or previously computed factors to solve Ax=b by Tim Davis

Tim Davis (view profile)

A simple M-file to solve Ax=b using LU or CHOL. (inv, linear algebra, linfactor)

linfactor

lintest

lintests

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updated 1 year ago

Gaussian Elimination Example (with partial pivoting): GEE, it's simple! by Tim Davis

Tim Davis (view profile)

A set of simple functions that illustrate Gaussian Elimination with partial pivoting (gaussian elimination, partial pivoting, linear algebra)

gee_its_short

gee_its_simple

gee_its_simple_backsolve

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updated 1 year ago

Don't let that INV go past your eyes; to solve that system, FACTORIZE! by Tim Davis

Tim Davis (view profile)

A simple-to-use object-oriented method for solving linear systems and least-squares problems. (factorization, backslash, mldivide)

cheap_condest

cod

cod_qmult

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updated 1 year ago

COSBOS: COlor-Sensor-Based Occupancy Sensing by Quan Wang

Quan Wang (view profile)

Occupancy distribution estimation for smart light delivery with perturbation-modulated light sensing (image processing, smart lighting, signal processing)

A_f(x, OMEGA, P)

A_fhp(x, OMEGA)

At_f(b, N, OMEGA, P)

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updated 1 year ago

iscoplanar.m by Brett Shoelson

Brett Shoelson (view profile)

Tests input points for coplanarity in 3-space. (linear algebra, coplanarity, input points)

iscoplanar(X,Y,Z,tolerance)

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