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updated 3 months ago

aggregate by Kelly Kearney

Kelly Kearney (view profile)

Group (and apply functions to) values in one matrix based on grouping variables in another (accumarray, aggregate, group)

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updated 1 year ago

GPU sparse, accumarray, non-uniform grid by Stefano

Stefano (view profile)

performance gains above 1000x over matlab spmv can be observed with cuda compatible GPU. (sparse, gpu, spmv)

DD=KBdensity1(qq,tt,KB,nj,Ns)

P=op_accuamarray(indx,nmax)

[gnuradon,gnuiradon,qtXqxy,qxyXqt]=gnufft_init_spmv(Ns,qq...

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updated 3 years ago

N-dimensional histogram by Bruno Luong

Bruno Luong (view profile)

Compute n-dimensional histogram (histogram, hist, histc)

histcn(X, varargin)

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updated 5 years ago

Determine and count unique values of an array by Anthony Kendall

Anthony Kendall (view profile)

Very fast function to determine and count unique values of numeric, logical, char, cell arrays. (unique, count, accumarray)

count_unique(x,option)

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updated 5 years ago

Aggregate data using any number of multiple columns by Jeff Burkey

Jeff Burkey (view profile)

Using two of Matlabs functions, unique and accumarray, this function summarizes any number of cols. (statistics, aggregate, aggregate function)

accumTS(datain,fn)

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updated 6 years ago

BIN2MAT by Andrew Stevens

Andrew Stevens (view profile)

Create a matrix from scattered data without interpolation (reshape, vector, gridding)

bin2mat(x,y,z,XI,YI,varargin)

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updated 6 years ago

Accumulate Connected Components by Wolfgang Schwanghart

Construct array with accumulation of connected components (accumarray, connected components, mathematics)

accumconncomps(a,b,fun)

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updated 7 years ago

Consolidator by John D'Errico

John D'Errico (view profile)

Consolidates common elements in x (may be n-dimensional), aggregating corresponding y. (reduction, accumarray, interpolation)

consolidator(x,y,aggregation_mode,tol)

consolidator13(x,y,aggregation_mode,tol,tolerance_style)

consolidator13(x,y,aggregation_mode,tol,tolerance_style)

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