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updated 17 days ago

Least Square Coordinate Transformation in 2D (Similarity,Affine,Projective) by Sebahattin Bektas

Sebahattin Bektas

LS Cartesian Coordinate Transformation 2D Similarity,Affine,Projective (transformations, similarity, affine)


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updated 22 days ago

2D and 3D Remapping by Mohammad Abouali

Mohammad Abouali

Creates Remapper (Interpolant/Extrapolant) for efficient mapping of data on 2D and 3D grids. (interpolation, extrapolation, least square)




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updated 11 months ago

Regression through least square(normal equations) by Koteswar Rao Jerripothula

Basic least square algorithm (Normal equations) for regression (least square, machine learning, regression)


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updated 2 years ago

Identification by least square method by Azzi Abdelmalek

Azzi Abdelmalek

Identification of Linear system, using a least square method. (identification, linear systems, least square)


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updated almost 3 years ago

Savitzky-Golay smoothing filter by Shao Ying Huang

Shao Ying Huang

provide an alternative for Savitzky-Golay smoothing filter (data smoothing, curve fitting, least square)


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updated almost 3 years ago

Weighted Nonlinear Curve Fit Script with Plotter by Jannick


This curve fitting script calculates best guess and errors using data with y-error. Plot see preview (fitting, nonlinear fitting, weighted nonlinear fi...)




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updated 3 years ago

Moving Least Square(MLS1D) by Jin


the file can be used to numeric interpolation based on moving Least Square. (interpolation, least square, curve fitting)

MLS1DShape(m, nnodes, xi, npoints, x, dmI, wtype, para)

Weight(type, para, di, dmI)


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updated 3 years ago

General Reconstruction Demo in 2D by Aaronne


General Reconstruction Demo in 2D (reconstruction, backprojection, filtered backprojecti...)


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updated almost 4 years ago

LSMR: An iterative algorithm for least-squares problems by David


Official successor to the LSQR algorithm, developed by David Fong and Michael Saunders. (matrix, sparse matrix, linear equation)

[x, istop, itn, normr, normAr, normA, condA, normx]...

lsmrtest( m,n,lambda,localSize )

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updated 4 years ago

Multiple same-size linear solver by Bruno Luong

Bruno Luong

Solve multiple systems of linear equations of the same size (linear equations, linear system, least square)

MultiProd(M, X)

MultiSolver(M, RHS)

SliceMultiProd(M, X)

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updated 5 years ago

Prediction of Oldfaithful volcanic eruption:Auto Regression by Sumit Tripathi

Sumit Tripathi

Derive a model for predicting Old Faithful volcanic eruption based on ARX and ARMAX. (arx, armax, autoregression)



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updated 6 years ago

Exponential fit, without start-guess by Per Sundqvist

Per Sundqvist

Fits 1) f=s1+s2*exp(-t/s3) or 2) f=s1+s2*exp(-t/s3)+s4*exp(-t/s5) to numerics, without startguess (nonlinear, exponential, least square)

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