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updated 1 day ago

SPLINEFIT by Jonas Lundgren

Fit a spline to noisy data. (spline, splinefit, cubic spline)

SPLINEFIT EXAMPLES

ppdiff(pp,j)

ppint(pp,a,b)

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updated 1 day ago

Chebfun by Chebfun Team

Chebfun is an open-source package for numerical computation with functions to 15-digit accuracy (approximation, interpolation, quadrature)

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updated 5 days ago

2D and 3D Remapping by Mohammad Abouali

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

Construct_D_Eta(M,N,OpOrder)

Construct_D_Xi(M,N,OpOrder)

Construct_G_U_Eta(M,N,OpOrder)

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updated 1 day ago

powersmooth by Benjamin Friedrich

Smooth noisy time-series faithfully, without distorting lower-order time-derivatives (signal processing, data exploration, approximation)

powersmooth(vec,order,weight)

demo_powersmooth.m

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updated 5 days ago

inpolygons by Kelly Kearney

Finds points inside multiple polygons, holes possible. (approximation, interpolation, polygon)

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updated 3 days ago

Multi-exposure and Multi-focus Image Fusion in Gradient Domain by Sujoy Paul

An algorithm for fusion of a stack of multi-exposure and multi-focus images (image processing, image fusion, multiexposure)

ReconstructGradient.m

ChannelNorm(I,r)

GradientFusion(I)

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updated 2 days ago

Marginal distributions of a bivariate function by Shoaibur Rahman

This function computes the marginal distributions of each variable in a bivariate function. (probability, computer vision, statistics)

marginaldist(f,x,y,distributionType)

testFunction(x,y)

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updated 2 days ago

Picket-Fence Effect of the DFT by Oktay Alkin

Picket-fence effect of the DFT. (signal processing)

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updated 2 days ago

Greedy Algorithms and Greedy Analysis Pursuit for Non-linear sparse recovery by Kavya Gupta

Modifications to Greedy Algorithms and Greedy Analysis Pursuit(GAP) for non-Linear sparse Recovery. (algorithm, matlab, optimization)

COSAMPEN(y,A,myfun,N,k)

COSAMPLN(y,A,myfun,N,k)

Grad(fun, x0, deltaFactor)

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updated 5 hours ago

Compute Fourier Transform or Inverse Fourier Transform by Igal Rozenberg

Efficiently compute Fourier Transform or Inverse Fourier Transform from discrete samples (fourier, fourier transform, inverse fourier trans...)

FourierTransform(tvect,TDvect,w_samples)

IFourierTransform(wvect,Hvect,t_samples)

Test_Scenario_FT.m

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updated 2 days ago

Fast Third Order Cross-Cumulant calculation by Brian

Performs a fast third order cross cumulant calculation between the three vectors (x,y,z). (signal processing, mathematics, statistics)

cum3xyz(x,y,z, nsamp, overlap,window)

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updated 3 days ago

Three State land mobile satellite channel model by NAMA AJAY NAGENDRA

LMS channel (signal processing)

MarkovStateSeries

StateSeriesGenerator(sigma_duration,alpha_duration,xmin,g...

cdf(z)

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updated 5 hours ago

Peak detection of a function by Shoaibur Rahman

This function detects the transition points (maxima and minima) in a function like y = f(x) (signal processing, image processing, filtering)

findpeaks(y,x,threshold,stepsize)

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updated 5 hours ago

Linear Block Code Implementation Hamming code of (7,4) by Muhammad Tahir Rana

This code compare ideal channel response to uncoded and coded bit streams. (communications, signal processing)

b_c_i.m

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