Curve intersections

Fast computation of intersections and self-intersections of curves using vectorization.

Random Vectors with Fixed Sum

Randomly and uniformly generates vectors with a specified sum and values in a specified interval.

interparc

Distance based interpolation along a general curve in space

Fast and Robust Curve Intersections

Computes intersection points of two curves.

num2strexact (exact version of num2str)

num2strexact does exact conversion of number to string based on IEEE floating point bit pattern

allcomb(varargin)

All combinations of input (v4.2, apr 2018)

Separable Block-wise Operations

Efficiently performs separable operations (e.g., sum, mean,prod, min, max,...) on array sub-blocks

PADCAT

concatenate vectors with different lengths by padding with NaN

MAT2TILES: divide array into equal-sized sub-arrays

Splits an array of any dimension into cell array of equal sized chunks.

GRABIT

Extract (pick out) data points off image files.

3D Rotation about Shifted Axis

Computes/applies rotation about arbitrary 3D line.

stlwrite - write ASCII or Binary STL files

Export a variety of inputs (patch, surface) to an STL triangular mesh

Fminspleas

Efficient nonlinear regression fitting using a constrained, partitioned least squares overlay to fmi

allwords

Parse a sentence or any string into distinct "words"

meshCanopy

Display a mesh above a grayscale image

sort_nat: Natural Order Sort

Sort strings in natural order.

UniqueFuncNames

Check uniqueness of function names

getContourLineCoordinates

Get a table of contour line coordinates from a contour object.

xlswrite1

increases speed of xlswrite function when used in loops or multiple times.

xml2struct

Convert an xml file into a MATLAB structure for easy access to the data.

uipickfiles: uigetfile on steroids

Many-featured, platform independent file and directory picker.

Contour Plot for Scattered Data

Triangular Contour Plot

permn

Permutations with repetition, all or a subset

PLOTCUBE

Plot a 3D-cube

STL File Reader

STLREAD imports geometry from a binary stereolithography (STL) file into MATLAB.

Figure to play and analyze videos with custom plots on top

A figure ready to scroll through and play videos. You can also draw any custom graphics on it.

tight_subplot(Nh, Nw, gap, marg_h, marg_w)

Fills the figure with axes subplots with easily adjustable margins and gaps between the axes.

smoothn

SMOOTHN allows automatized and robust smoothing in arbitrary dimension w/wo missing values

polyparci

POLYPARCI calculates confidence intervals for parameters estimated by ‘polyfit’.

IPDM: Inter-Point Distance Matrix

An efficient and accurate Inter-Point Distance Matrix

Partitions of an integer

List all partitions of an integer

RANDRAW

Efficient Random Variates Generator (from over 50 distributions).

getundoc - get undocumented object properties

GETUNDOC returns a structure of undocumented properties (names & values) for the specified object

vol3d v2

3-d volume (voxel) rendering

All Permutations of integers with sum criteria

All Pernutations of integers with sum criteria

rude: a pedestrian run-length decoder-encoder

Run-length- decodes or encodes any ML datatype.

distance2curve

Find the closest point on a (n-dimensional) curve to any given point or set of points

arrow

Draw a line with an arrowhead.

runindex

linear indices for each run in a vector (run length encoding, and decoding)

Inpaint over missing data in 1-D, 2-D, 3-D,... ND arrays

Y = INPAINTN(X) computes the missing data in the N-D array X.

peakfinder(x0, sel, thresh, extrema, includeEndpoints, interpolate)

Quickly finds local maxima (peaks) or minima (valleys) in a noisy signal.

Generate maximally perceptually-distinct colors

Choose a set of n colors that can be readily distinguished from each other

N_PERMUTE_K

All possible permutations of the elements of set N, taken K at a time, with repetition.

downsample_ts

Calculate monthly means, annual medians, and other statistics for 1D or 3D datasets.

Surface Intersection

Intersection of two triangulated surfaces

nearestSPD

Finding the nearest positive definite matrix

integralN.m

Compute Multiple Integrals of Orders 4, 5, and 6

UNINIT - Create an uninitialized variable (like ZEROS but faster)

UNINIT is similar to ZEROS, except UNINIT returns uninitialized values instead of zero values.

getkeywait

Wait a certain time for a single keypress

deleteoutliers

For input vector A, returns a vector B with outliers removed.

surf2stl

Write STL file from surface data.

Structure fields to variables

Code writing tool for importing/exporting workspace variables to or from a struct.

Arrow3

Draws lines with directional arrowheads.

plotyyy

PLOTYYY - Extends plotyy to include a third y-axis

ncquiverref

Quiver (vector) with a reference vector or color code on a map or Cartesian axes.

arclength

Compute the arclength of a general curve in any number of dimensions

insertrows

Insert rows into a matrix at specific locations

base2base(Nstart,bstart,bend)

Numeric base conversion between any two numeric bases, for any size integer.

Excel Column Number To Column Name

Converts an array of numbers to a cell array of Excel column names

EXPAND

Replicate and tile each element of an array.