Wolfram Resource System

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Search the Wolfram Resource System

Paclet Resource: Wolfram/StylesheetTools

Utilities for creating and editing stylesheet notebooks

Paclet Resource: Wolfram/QuantumFramework

Perform analytic and numeric quantum computations

Paclet Resource: Wolfram/Patterns

Utilities for working with patterns

Paclet Resource: WolframChemistry/ProteinVisualization

Functions for protein visualizations

Paclet Resource: WolframChemistry/MoleculeFingerprints

Compute and compare molecule fingerprints

Paclet Resource: WolframChemistry/ChemistryFunctions

Wolfram Language functions for Chemistry

Paclet Resource: WolframAlphaMath/AreaMethod

A Wolfram Language implementation of the area method for geometry

Paclet Resource: StianRamsnes/MaXrd

Symmetry data and utilities related to crystallography and X-ray scattering

Paclet Resource: RohanMehta/OpenChemicalSystems

Model, stochastically simulate, and visualize arbitrary open chemical systems using a Petri Net framework

Paclet Resource: RobertNachbar/CompartmentalModeling

Build, visualize, analyze, and simulate compartmental models

Paclet Resource: PeterBurbery/WordCloud

Word cloud functionality

Paclet Resource: PeterBurbery/RecreationalMathematics

This paclet is for recreational mathematics and math puzzles

Paclet Resource: PeterBurbery/BooleanLogic

Work with logical functions and boolean values

Paclet Resource: KlausSutner/Automata

Automata theory package

Paclet Resource: JaroslavKysela/OpticalElements3D

3D models of optical elements

Paclet Resource: JaneShenGunther/TCGADataTool

TCGA Data Tool retrieves TCGA cancer datasets easily from the NCI GDC and TCIA portals

Paclet Resource: DanielS/Wireworld

Explore the Wireworld Turing-complete cellular automaton

Paclet Resource: ConnorGray/Organizer

Notebook interface application for organizing notes and to-dos

Paclet Resource: AntonAntonov/TriesWithFrequencies

Functions for creation and manipulation of tries (prefix trees) with frequencies

Paclet Resource: AntonAntonov/TileStats

Tilling over 2D data and related statistics

Paclet Resource: AntonAntonov/ROCFunctions

Receiver Operating Characteristic (ROC) functions

Paclet Resource: AntonAntonov/QuantileRegression

Quantile regression functions

Paclet Resource: AntonAntonov/OutlierIdentifiers

Outlier identifier functions

Paclet Resource: AntonAntonov/MosaicPlot

Mosaic plots for datasets and lists of records

Paclet Resource: AntonAntonov/MonadicQuantileRegression

Software monad for Quantile Regression workflows

Paclet Resource: AntonAntonov/MonadicLatentSemanticAnalysis

Software monad for Latent semantic analysis

Paclet Resource: AntonAntonov/FunctionalParsers

Functional parsers

Paclet Resource: AntonAntonov/DataReshapers

Data reshaping functions

Paclet Resource: AntonAntonov/CallGraph

Call graph generation

Function Resource: NearestColorName

Find the color name closest to a given color

Function Resource: AstroDistance

Compute the distance between astronomical entities

Function Resource: TurboColor

Implementation of the Turbo color map

Data Resource: UI Color Gradients

Community contributed collection of beautiful multi-color gradients from uiGradients

Function Resource: FontColorFromBackgroundColor

Determine an appropriate font color from a given background color

Function Resource: HyperbolicDistance

Give the distance between two points in hyperbolic space

Function Resource: ColorToHex

Convert a color to a hex string

Neural Net Resource: ColorNet Image Colorization Trained on Places Data

Colorize a grayscale image

Data Resource: Hue Color Gradients

Collection of gradient hues from coolHue

Function Resource: LoxodromeDistance

Compute the loxodrome distance between two points on a unit sphere

Function Resource: ColorSearch

Search for colors containing a given string

Function Resource: HexToColor

Convert hex strings into colors

Function Resource: RYBColor

Define a color using red, yellow and blue (RYB) values

Function Resource: DeeperColor

Make colors deeper and more saturated

Function Resource: QuantumDistance

Compute the Hilbert space distance between two discrete quantum states

Function Resource: ViridisColor

Get one of five related color schemes with favorable perceptual properties

Function Resource: DiscreteHausdorffDistance

Find the Hausdorff distance between two sets of elements

Data Resource: Sample Data: Car Stopping Distances

Data on the relation between the speed of the car and the distance for the car to stop.

Function Resource: TreeEditDistance

Calculate the edit distance between two Tree objects

Function Resource: RealEuclideanDistance

Get the Euclidean distance between two real vectors without using absolute value

Function Resource: DivergentColorFunction

Create a diverging color map with a neutral central color

Function Resource: ColorChanger

Interactively substitute colors in a graphic

Function Resource: GeoSpatialDistance

Find the spatial distance between two points on Earth

Function Resource: CompileColorFunction

Compile a color function for improved performance in colorizing images

Function Resource: PointLineDistance

Get the distance and normal line between a point and line

Neural Net Resource: ColorNet Image Colorization Trained on ImageNet Competition Data

Colorize a grayscale image

Function Resource: ColorWinding

Find the number of times the domain coloring of a function wraps around the color wheel along a given curve

Function Resource: FindDistanceInstance

Find an instance of n-dimensional vectors that produce a specified distance matrix

Function Resource: CubehelixColorFunction

Generate color functions using the "cubehelix" method

Function Resource: PeriodicBoxDistance

Evaluate the shortest distance between two points in a box with periodic boundary conditions

Function Resource: AstroAngularDistance

Compute the angular distance between astronomical entities

Function Resource: VideoColorMap

Create a "color map" image from a video

Function Resource: PalerColor

Make colors paler and less saturated

Function Resource: CosColorFunction

Define color functions based on the cosine function

Function Resource: ImageColorFunction

Create a color function from colors in an image

Function Resource: ColorBrewerData

Get access to the ColorBrewer's colors

Function Resource: ColorWheelSelector

Display a color wheel in the HSB color space and select a color

Function Resource: DistanceLayeredGraph

Render a graph with vertices at heights based on their distance from the root

Example Resource: Compare Color Sets and Color Spaces

Look at color sets based on their spectral colors and the fraction each occupies in different color spaces

Function Resource: ColorFunctionRipple

Give a color function a periodic perturbation

Function Resource: ColorGraphEdges

Color the edges of a graph so no edges incident to each other have the same color

Function Resource: ColorGraphVertices

Color the vertices in a graph with no adjacent vertices sharing a color

Function Resource: GeoSpatialDistanceList

Get a list of spatial distances between consecutive pairs of locations

Function Resource: DistanceFromEarthCenter

Compute the distance of a position on Earth's surface from the center of Earth

Function Resource: ColorBlindnessDiagram

Make a color blindness diagram given a symbol and two colors

Function Resource: RhumbLineDistance

Find the distance between two geographical locations along a rhumb line

Function Resource: ImageColorReplace

Replace color pixels from one image with corresponding pixels from another image

Function Resource: WeightedDistanceGraph

Given vertices, get a complete graph with edge weights equal to edge lengths

Neural Net Resource: Colorful Image Colorization Trained on ImageNet Competition Data

Colorize a grayscale image

Function Resource: ResistorColorCode

Generate an illustration of resistor color codes from a specified resistance

Example Resource: Photo Colorization

Use networks provided in the Wolfram Neural Net Repository to automatically colorize grayscale photos

Function Resource: RhumbLineDistanceList

Successive pairwise rhumbline distances between a list of geodetic positions

Function Resource: CIEColorMatchingFunctionValues

Evaluate the CIE color matching functions for a given wavelength

Function Resource: SampleColors

Sample colors from named color schemes

Function Resource: DLMFHue

Get a color based on the Digital Library of Mathematical Functions (DLMF) color wheel

Function Resource: HashHue

Map an expression to a color based on a hash

Function Resource: ConformColors

Create a list of colors of the same type and same number of arguments

Function Resource: BlackWhiteContrast

Pick black or white, depending on which gives the best contrast to a color

Example Resource: Background Removal Using Color Neighborhoods

Find image pixels with colors near a specified color

Function Resource: FromResistorColorCode

Determine the resistance of an electronic resistor from a specified list of colors

Example Resource: Analyze a Color-Based Diet

Obtain a list of foods with the same common outside color

Example Resource: Colorize Electron Microscopy Images

Train a neural network to automatically colorize monochrome electron microscopy images

Function Resource: AddMatplotlibColors

Add Matplotlib colormaps to ColorData

Data Resource: Three-Color Cellular Automaton Rules that Double Their Input

A list of rules for k=3 cellular automata that eventually double a block of gray input cells

Function Resource: GraphAntipodes

Find a pair of vertices that are a maximum distance apart on a graph

Example Resource: Experiment with Color Quantization and Compression with GIF Export

Use color quantization to improve image export and compare different quantization methods

Function Resource: HueShift

Apply a hue shift to an image

Data Resource: HTML Colors

HTML color names and codes

Function Resource: GraphCoordinationSequence

Find the number of vertices at each distance in a symmetric graph

Function Resource: GeoCirclePoints

Get geo coordinates equally spaced around a circle centered at a GeoLocation

Example Resource: Create a Neural Network Layer from Commonly Used Distance Functions

Function Resource: PairwiseMultidimensionalScaling

Multidimensional scaling algorithm for embedding pairwise distances into a Cartesian space

Function Resource: FloydSteinbergDithering

Apply Floyd–Steinberg dithering to an image

Function Resource: DesaturateExcept

Desaturate an image except for a specified color or colors

Function Resource: LowestCommonAncestors

Find the lowest common ancestors for pairs of vertices in a graph

Function Resource: SimulateAnimalVision

Simulate what an animal sees

Example Resource: Find the Longest Path in a Molecule

Use the distance matrix and shortest path algorithm to find the longest through-bond communication path in a tRNA connector

Function Resource: ScatteredInterpolation

Perform interpolation in n-dimensional space for irregularly spaced data

Function Resource: PeriodicBoxDisplacement

Get the shortest displacement between two points in a box with periodic boundary conditions

Data Resource: LEGO Colors

Color specifications and names used for LEGO bricks

Function Resource: RadialDistributionFunction

Compute the radial distribution function of a set of n-dimensional points

Function Resource: ArgHue

Map the argument of a complex number to a color

Function Resource: OrthogonalLineFit

Find the best fitting line with respect to orthogonal distance

Function Resource: JaroSimilarity

Compute the Jaro similarity between two strings

Function Resource: FaustGrayscaleConvert

Convert a color or an image to grayscale using Faust's method

Function Resource: GraphicsDirectiveQ

Test if an expression is a graphics directive

Function Resource: PlaneOfBestFit

Get the hyperplane that best fits a set of points

Function Resource: CircleIntersection

Find the intersection of two circles

Function Resource: ImagePalettePlumes

Visualize an image's palette as a series of feathers

Function Resource: HighlighterPalette

Create a palette with a button and a color slider for setting a background color in the selection

Data Resource: DMC Thread Colors

Color specifications and names for DMC brand cross-stitch threads

Function Resource: WorldTravellerSignpostSolve

Find the location of a signpost with given distances to a set of cities

Function Resource: StringsToVectors

Convert a set of text strings to numeric vectors

Data Resource: Type Ia Supernova Data

Supernova type Ia name, redshift, magnitude, stretch and color

Function Resource: ClosestPairOfPoints

Find the pair of points with the closest distance

Example Resource: Simple Image Contrast Boosting

Build a contrast booster using arithmetic and statistical operations

Function Resource: ResistanceMatrix

Get the resistance matrix of a graph

Function Resource: HypergraphToGraph

Convert a hypergraph to a graph with the same distance matrix

Example Resource: Replace a Daytime Background with a Nighttime Image

Use color-based segmentation to find a uniform color background

Example Resource: Compare Weather in Chicago and European Capitals

Find the city in the European Union with the closest temperatures to Chicago

Function Resource: HypergraphNeighborhoods

Enumerate all the neighborhoods of a hypergraph up to a given distance

Data Resource: Sample Data: North Derbyshire Asthma

Locations of the residence of asthmatic (cases) and non-asthmatic (controls) children, annotated with marks including number of household smokers, subject type (case or control), hay fever occurrence, age, distance to the nearest road, distance to pollution sources 1, 2, and 3

Function Resource: RainbowText

Make any text fabulous by coloring the letters with rainbow colors

Example Resource: Create a Maze from an Image

Create a maze image by computing a shortest tour through a set of image points

Data Resource: Dutch Railway Network

The Dutch railway network data

Data Resource: Sample Image: Red Cherry Tomatoes

Sample Image in the CIE LAB Colorspace

Function Resource: LineFit

Fit a line to data points in n-dimensional space

Example Resource: Similarity of Instrument Recordings

Use distance metric functions on audio features extracted from audio signals to compute similarity

Function Resource: MultivariateMedianDeviation

Find the median Euclidean distance from the median of the elements of multivariate data

Function Resource: RadialDistributionFunctionList

Compute the relative probability of finding a point at a given distance from another point

Paclet Resource: WolframInstitute/NetworkSystem

Network Systems

Function Resource: DirectionParametricPlot

Create a parametric plot of a curve in the plane with direction indicated by arrowheads and color

Function Resource: DirectionParametricPlot3D

Create a parametric plot of a curve in space with direction indicated by arrowheads and color

Function Resource: MultivariateMeanDeviation

Find the scalar mean of the Euclidean distances between the multivariate data points and their mean

Example Resource: Compare the Shape of Different Countries

Calculate shape distances between countries using canonical time warping

Example Resource: Compare Two ECG Signals Using DTW

Use the dynamic time warping distance to compare two heartbeat signals

Example Resource: Measurement of Dye Concentration

Use a color deconvolution algorithm to separate a microscopy image of stained tissue samples

Example Resource: Focus Stacking of Microscopic Images

Construct a sharp image by combining several images at different focus distances

Function Resource: StyledCurve

Create a B-spline curve along a color gradient using two colors

Function Resource: PinkBoxImageQ

Determine whether an image contains a pink color typically created by an error in a notebook

Function Resource: VertexColoring

Assign colors to vertices of a graph so that no edge connects vertices of the same color

Function Resource: RibbonPolyhedron

Display the set of polygons obtained by extending polyhedron edges perpendicularly inward by a given distance

Example Resource: Compare and Predict Stock Prices

Use dynamic time warping to predict stock prices for the next 30 days

Function Resource: EdgeColoring

Assign colors to edges of a graph so that no two adjacent edges have the same color

Function Resource: PolyPainting

Create a low polygon style painting

Function Resource: HighlightText

Highlight parts of text according to a given pattern

Function Resource: CanineVision

See images through a dog's eyes

Function Resource: HertzsprungRussellDiagram

Plot the positions of stars in a Hertzsprung–Russell diagram

Function Resource: ReasonableRuler

Find a near-minimal set of marks for an integer length ruler so that all smaller integer distances are measurable

Function Resource: GrayCodeKSubsets

Get k-subsets of a given set in minimum change order

Function Resource: GrayCodeSubsets

Get subsets of a given set in minimum change order

Function Resource: VizingEdgeColoring

Give a simple undirected graph a proper edge coloring using at most one color more than necessary

Example Resource: Tone Mapping Using Simple Image Arithmetic

Prototype a tone-mapping algorithm to make dark pixels of an image visible in the standard dynamic range

Function Resource: MultiPerspectiveEmbedding

Compute a 3D embedding for multiple graphs so that all pairwise distances are preserved simultaneously along various 2D projections

Paclet Resource: Jlaragonvera/CGAlgebra

Calculations on conformal geometric algebra

Function Resource: InstEffect

Apply Instagram-like effects to your photos

Neural Net Resource: D2-Net Trained on MegaDepth Data

Find generic keypoints and their feature vectors in an image

Data Resource: Seven Year Microwave Sky

The detailed, all-sky picture of the infant universe created from seven years of WMAP data

Data Resource: Near-Earth Comets

J2000 heliocentric ecliptic orbital elements of 160 Near-Earth Comets

Neural Net Resource: Single-Image Depth Perception Net Trained on NYU Depth V2 and Depth in the Wild Data

Estimate the depth map of an image

Neural Net Resource: Single-Image Depth Perception Net Trained on NYU Depth V2 Data

Estimate the depth map of an image

Neural Net Resource: Single-Image Depth Perception Net Trained on Depth in the Wild Data

Estimate the depth map of an image

Data Resource: Slovene Parliamentary Parties Network

Relations between Slovene parliamentary political parties in 1994

Data Resource: H(8,4) Hamming Graph

The Second DIMACS Implementation Challenge: 1992-1993

Data Resource: H(8,2) Hamming Graph

The Second DIMACS Implementation Challenge: 1992-1993

Data Resource: H(10,4) Hamming Graph

The Second DIMACS Implementation Challenge: 1992-1993

Data Resource: H(6,2) Hamming Graph

The Second DIMACS Implementation Challenge: 1992-1993

Data Resource: H(10,2) Hamming Graph

The Second DIMACS Implementation Challenge: 1992-1993

Data Resource: H(6,4) Hamming Graph

The Second DIMACS Implementation Challenge: 1992-1993

Data Resource: J(32,2,4) Generalized Johnson Graph

The Second DIMACS Implementation Challenge: 1992-1993

Data Resource: J(16,2,4) Generalized Johnson Graph

The Second DIMACS Implementation Challenge: 1992-1993

Data Resource: J(8,4,4) Generalized Johnson Graph

The Second DIMACS Implementation Challenge: 1992-1993

Data Resource: J(8,2,4) Generalized Johnson Graph

The Second DIMACS Implementation Challenge: 1992-1993

Data Resource: New York City Elevators

List of registered elevator devices in New York City

Data Resource: Linear Codes

Linear codes provide an optimal way for transmitting blocks of data over noisy channels

Example Resource: Equalize the Brightness in an Image

Adjust the skewed brightness distribution of a microscopy image caused by uneven illumination

Function Resource: DigitalCirclism

Generate circle packings covering a picture

Example Resource: Image Vectorization

Apply smoothing and quantization to a raster image to make it more suitable for vectorization

Function Resource: WordGraph

Create a word graph

Function Resource: SchmidtArrangements

Generate Schmidt arrangements of circles

Function Resource: HessianPlane

Get the Hessian normal form of a plane passing through three given points in space

Function Resource: PhotoHiddenMessage

Send short messages secretly through photos

Function Resource: CaterpillarTreeQ

Test whether a Tree has a path that is within one edge of every vertex

Function Resource: HessianLine

Get the Hessian normal form of a line passing through two given points on the Cartesian plane

Data Resource: Selected CIE Colorimetric Tables

Standard illuminants, colorimetric observer curves, and daylight components for working with visible light spectra and illumination, from Publication CIE 15:2004

Function Resource: ConcordanceWords

Find words associated with a search term in a list, text file, PDF or URL

Function Resource: ImportWavefrontRFL

Import a Wavefront RFL file

Function Resource: MutualInformation

Compute the mutual information of data samples or a multivariate distribution

Function Resource: HighlightTextDifferences

Highlight the changes between two similar strings

Function Resource: RiemannTensor

Represent the Riemann curvature tensor (field) for a Riemannian or pseudo-Riemannian manifold

Function Resource: DecorrelationStretch

Apply a decorrelation stretch to an image

Function Resource: SzegedMatrix

Compute the Szeged matrix of an undirected graph or a molecule

Function Resource: WienerIndex

Compute the Wiener index of a graph

Function Resource: RainbowHighlight

Make your text legendary by dynamically scrolling the colors of the rainbow

Function Resource: SkewLineSegment

Get the shortest segment between skew lines

Function Resource: MultisetJaccardDissimilarity

Compute the Jaccard dissimilarity of two multisets

Function Resource: VoronoiNoise

Create an image based on Voronoi noise

Function Resource: BalabanJ

Compute the Balaban J index of an undirected graph or a molecule

Function Resource: RandomMandala

Make random mandala plots

Function Resource: PersistentHomology

Perform persistent homology on a point cloud dataset

Example Resource: Interactively View Fluorescent Uptake of Cells

Segment and identify cells with more than a certain fluorescent uptake

Function Resource: ExtractPlotImageData

Extract data from a plot image

Function Resource: CircleInversion

Compute the inversion of an object with respect to a reference circle in the Euclidean plane

Function Resource: SzegedIndex

Compute the Szeged index of an undirected graph or a molecule

Function Resource: SchultzMTI

Compute the Schultz molecular topological index of an undirected graph or a molecule

Function Resource: XuIndex

Compute the Xu index of an undirected graph or a molecule

Example Resource: Create Super-Resolution Images Using Neural Networks

Data Resource: GMM-3 Mars Gravity Map

Goddard Mars Model 3 map of the gravity field of Mars

Function Resource: RandomTabularDataset

Generate a random tabular dataset

Function Resource: CayleyMengerMatrix

Evaluate the Cayley-Menger matrix of a simplex

Function Resource: AssociationOuter

Compute the generalized outer product of lists and get an association keyed by arguments

Example Resource: Build a Word Cloud of Food Groups

Create a word cloud of basic food groups inspired by the USDA's MyPlate logo

Function Resource: MultidimensionalScaling

Reduce a matrix of real values to low dimension using the principal coordinates analysis method

Example Resource: Blood Cell Identification

Segment and classify normal and burr cells

Example Resource: Generate Art with Learned Pixel Distributions

Learn the underlying distribution of images to create artistic images with high resolution

Example Resource: Carbon Atomic Transitions within the Visible Spectrum

Create different visualizations of state transitions in neutral carbon using SpectralLineData

Example Resource: Classify Cells Based on Their Shape

Use convexity defects to classify cells

Function Resource: RandomItem

Create a random item of the specified type

Example Resource: Create a Periodic Table of Spectral Lines

Access built-in data from the NIST Atomic Spectra Database for each element

Example Resource: Classify Spoken Digits

Use the neural net framework to enable powerful and user-friendly network training tools for audio objects