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Contents.m
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Contents.m
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% Lightspeed Toolbox.
% Efficient operations for Matlab programming.
% Version 2.8 04-Jan-2017
% By Tom Minka
%
% Matrix algebra
% repmat - Fast replacement for matlab's repmat.
% xrepmat - Matlab's original repmat.
% setnonzeros - Fast creation of sparse matrix.
% row_sum - Sum for each row. Faster than 'sum'.
% scale_rows - Scale each row of a matrix.
% scale_cols - Scale each column of a matrix.
% solve_triu - Left division by upper triangular matrix.
% solve_tril - Left division by lower triangular matrix.
% sqdist - Squared Euclidean and Mahalanobis distance.
% isposdef - Check for positive-definiteness.
% logdet - log(determinant) for positive definite matrix.
% cholproj - Projected Cholesky factorization.
% inv_posdef - Invert positive definite matrix.
%
% Statistics
% mvnormpdf - Multivariate normal density.
% mvnormpdfln - Log of multivariate normal density.
% normcdf - Normal cumulative distribution.
% normcdfln - Log of normal cumulative distribution.
% normcdflogit - Logit of normal cumulative distribution.
% invnormcdf - Normal quantile function.
% wishpdf - Wishart probability density function.
% wishpdfln - Log of Wishart probability density function.
% sample - Sample from categorical distribution.
% sample_vector - Sample from multiple categorical distributions.
% sample_hist - Sample from multinomial distribution.
% randbinom - Sample from binomial distribution.
% randnorm - Sample from multivariate normal.
% randgamma - Sample from Gamma distribution.
% randbeta - Sample from Beta distribution.
% randwishart - Sample from Wishart distribution.
% randomseed - Get or set the random seed.
% int_hist - Histogram of integer values.
%
% Utility
% logsumexp - Sum in the log domain.
% logmulexp - Matrix multiply in the log domain.
% ndgridmat - Matrix of grid points.
% ind2subv - Subscript vector from linear index.
% subv2ind - Linear index from subscript vector.
% gammaln - Fast replacement for matlab's gammaln.
% digamma - Derivative of gammaln.
% trigamma - Derivative of digamma.
% tetragamma - Derivative of trigamma.
% ndsum - Sum over multiple dimensions.
% ndmax - Maximum over multiple dimensions.
% ndlogsumexp - Sum over multiple dimensions in the log domain.
% maxdiff - Maximum difference between structs or arrays.
% sameobject - Test if two variables correspond to the same object.
% find_sameobject - Find an object in a cell array.
% toJava - Convert to Java representation.
% fromJava - Convert from Java to Matlab.
% glob - Filename expansion via wildcards.
% globstrings - String matching via wildcards.
%
% Argument lists
% argfilter - Remove unwanted arguments from a key/value list.
% makestruct - Cell-friendly alternative to STRUCT.
% setfields - Set multiple fields of a structure.
% struct2arglist - Convert structure to cell array of fields/values.
%
% Mutation
% mutable - Convert to a mutable object.
% immutable - Convert to an ordinary (immutable) object.
%
% Set operations
% ismember_sorted - True for member of sorted set.
% match - Location of matches in a set.
% match_sorted - Location of matches in a sorted set.
% setdiff_sorted - Set difference between sorted sets.
% intersect_sorted - Set intersection between sorted sets.
% union_sorted - Set union of sorted sets.
% union_sorted_rows - Set union of sorted sets of row vectors.
% duplicated - Find duplicated rows in a matrix.
%
% Readability
% rows - Number of rows.
% cols - Number of columns.
% col_sum - Sum for each column.
% setdiag - Modify the diagonals of a matrix.
% finddiag - Index of elements on diagonals.
% argmax - Index of maximum element.
% argmin - Index of minimum element.
%
% Flop counting
% flops - Read/write flop counter.
% addflops - Add to flop counter.
% flops_chol - Flops for Cholesky decomposition.
% flops_col_sum - Flops for column sums.
% flops_det - Flops for matrix determinant.
% flops_digamma - Flops for gammaln, digamma, and trigamma.
% flops_div - Flops for division.
% flops_exp - Flops for exponential.
% flops_inv - Flops for matrix inversion.
% flops_mul - Flops for real matrix multiplication.
% flops_normpdfln - Flops for normpdfln.
% flops_pow - Flops for raising to real power.
% flops_randnorm - Flops for randnorm.
% flops_row_sum - Flops for row sums.
% flops_sample - Flops for sample(p,n).
% flops_solve - Flops for matrix left division.
% flops_solve_tri - Flops for triangular left division.
% flops_spadd - Flops for sparse matrix addition.
% flops_spmul - Flops for sparse matrix multiplication.
% flops_sqrt - Flops for square root.
%
% Stand alone programs
% matfile - Read/write MAT files.
% tests/test_flops - Compare time versus flops for various math operations.
%
% Graphics utilities
% see graphics/Contents.m
%
% Demos
% tests/test_repmat,
% tests/test_solve_tri, ...