Wolfram Resource System

Search the Wolfram Resource System

Search the Wolfram Resource System

Paclet Resource: YingyingJin/IMMSATD

Tools for plotting IM-MS ATD (Arrival TIme Distribution)

Paclet Resource: Wolfram/PacletCICD

Continuous integration and deployment for Wolfram Language paclets

Paclet Resource: Wolfram/Lazy

Lazy computation

Paclet Resource: Wolfram/CodeEquivalenceUtilities

Utilities for testing code equivalence

Paclet Resource: WolframChemistry/QuantumChemistry

Quantum Chemistry and Electronic Structure Functions

Paclet Resource: WolframChemistry/ProteinVisualization

Functions for protein visualizations

Paclet Resource: WolframChemistry/ChemistryFunctions

Wolfram Language functions for Chemistry

Paclet Resource: TheRealCStover/Trigonometry

A collection of lesser-known circular and hyperbolic trig functions and their inverses

Paclet Resource: StianRamsnes/MaXrd

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

Paclet Resource: RobertNachbar/CompartmentalModeling

Build, visualize, analyze, and simulate compartmental models

Paclet Resource: PeterBurbery/RecreationalMathematics

This paclet is for recreational mathematics and math puzzles

Paclet Resource: PeterBurbery/NewMazePaclet

A paclet for mazes

Paclet Resource: PeterBurbery/BooleanLogic

Work with logical functions and boolean values

Paclet Resource: Obando/CAGenetics

A set of functions to manipulate the unified model of Cellular Automata

Paclet Resource: KlausSutner/Automata

Automata theory package

Paclet Resource: JasonB/WeakCache

Functions for caching with automatic garbage collection

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: AntonAntonov/TriesWithFrequencies

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

Paclet Resource: AntonAntonov/MonadicLatentSemanticAnalysis

Software monad for Latent semantic analysis

Paclet Resource: AntonAntonov/DataReshapers

Data reshaping functions

Function Resource: OsculatingPlane

Compute the osculating plane of a space curve

Function Resource: RectifyingPlane

Compute the rectifying plane of a space curve

Function Resource: PlaneLineIntersection

Compute the intersection point of a plane and line

Function Resource: NormalTexture

Generate a normal texture from height data

Function Resource: PolygonNormalVector

Compute the normal vector to a 3D polygon

Function Resource: NormalCI

Estimate the confidence interval based on a normal distribution

Function Resource: EchoNormal

Print the code in InputForm unformatted

Function Resource: TangentAndNormalLine

Compute properties of the tangent and normal lines to a curve at a given point

Function Resource: FindFanoPlaneIsomorphism

Enumerate all isomorphisms given a configuration of a Steiner triple system (2, 3, 7) on the Fano plane

Function Resource: NormalLaplaceDistribution

A statistical distribution for the sum of a normal and an asymmetric Laplace random variable

Example Resource: Deformation and Stress Fields in Pure Bending

Visualize the displacement, normal stress, and stored elastic energy produced by pure bending of an elastic bar

Function Resource: EvolutoidCurve

Compute the evolutoid of a curve

Function Resource: EvoluteCurve

Compute the evolute of a curve

Function Resource: MeanMedianLogNormalDistribution

Create a lognormal distribution using mean and median as parameters instead of the conventional parameters

Function Resource: DobbleSets

Generate a set of integers that can create Dobble cards

Function Resource: CurveAberrancy

Compute the aberrancy of a plane curve

Data Resource: Steiner Surfaces

Classification of Steiner Surfaces

Example Resource: Molecular Vibrations

Plot an IR spectrum and animate vibrational modes using quantum chemistry results

Function Resource: OsculatingConic

Get the osculating conic of a plane curve

Function Resource: TangentVector

Compute the tangent vector of a curve

Function Resource: GeneralizedTriangularGridGraph

Create a triangular grid graph with customizable width and height, represented as a parallelogram composed of triangular grids

Example Resource: Blood Cell Identification

Segment and classify normal and burr cells

Function Resource: DateListPlotRanged

Plot a time series that includes shading to indicate ranges in the plotted value

Function Resource: TessellationPlot

Generate a tessellation of the plane with specified cell shapes

Function Resource: TwoBridgeKnotDiagram

Draw a two-bridge knot

Function Resource: QuadraticFormDistribution

Represent the distribution of a quadratic form with a multivariate normal

Function Resource: ProjectGraphics3D

Project 3D graphics onto a plane

Function Resource: SquareSpiralPoints

Get the coordinates of the points on a square spiral with sides parallel to the axes

Example Resource: Molecular Point Groups Describing the Symmetry of a Molecule

Detect molecular point groups describing the symmetry of a molecule

Function Resource: PedalSurface

Compute a pedal surface

Function Resource: ConditionedMultinormalDistribution

Calculate conditional and marginal distributions of the multivariate normal distribution

Function Resource: PointLineDistance

Get the distance and normal line between a point and line

Example Resource: Stress and Displacement Analysis of an L-Shaped Elastic Body

Solve a plane strain elasticity problem and visualize the resulting displacements and stresses in an L-shaped domain

Function Resource: BinormalVector

Compute the binormal vector of a curve

Function Resource: StereographicProjection

Compute the stereographic projection from the unit sphere to a plane

Example Resource: Finite Element Analysis of a Curved Elastic Arch under Traction

Model a curved elastic structure in plane stress and use shear strain to color the deformed configuration across load levels

Function Resource: PerpendicularSurface

Compute the perpendicular surface of a curve

Function Resource: CurveTube

Convert a 3D curve into a parametrized tube

Function Resource: QuadricSurfacePlot

Classify and plot any polynomial of degree two or less in three or fewer variables

Function Resource: ReflectPoints

Reflect a set of points over a line, plane or hyperplane defined by points

Function Resource: GeometricSceneConstructor

Create an interface for constructing a GeometricScene

Example Resource: Uncertainty Analysis of Poisson’s Ratio

Compare the exact distribution of Poisson's ratio with a first-order linear approximation

Function Resource: MultivariateKurtosis

Find the kurtosis coefficient for multivariate data

Function Resource: MultinormalKLDivergence

Compute the Kullback–Leibler divergence between two multinormal distributions

Function Resource: SquareZigzagPoints

Lattice points in a square in zigzag order from the bottom-left to the top-right corner

Paclet Resource: RobertNachbar/ConsistentForceField

Ermer-Lifson CFF for alkanes, alkenes, and alkylbenzenes

Function Resource: PointGroupSymbol

Compute the point group symmetry symbol of a molecule or a polyhedron

Example Resource: Actuarial Analysis of Insurance Policies

Illustrate how common insurance scenarios can be modeled using standard probability distributions

Function Resource: Logit

The logit function from probability

Function Resource: GraphicsPrimitiveQ

Test if a piece of a graphic is a graphics primitive

Function Resource: SupplementaryAngleDegree

Compute the geometric supplement to a given angle using degrees

Function Resource: ComplementaryAngle

Compute the geometric complement to a given angle

Function Resource: ArcLine

A curved line between two points

Function Resource: SupplementaryAngle

Compute the geometric supplement to a given angle

Function Resource: HyperbolicPoincarePolygon

Represent a hyperbolic polygon embedded in the Poincaré disk

Function Resource: GergonnePoint

Return the Gergonne point of a triangle

Function Resource: FindExtraordinaryLines

Return the lines passing through three or more points, given a set of points

Function Resource: ApproximateGeneralizedVoronoiMesh

Approximate the generalized Voronoi mesh for non-overlapping geometries

Function Resource: NonConvexHullMesh

Generate a mesh geometry from points without including exterior concave perimeter areas or holes

Function Resource: RoundedLine

Represent a polyline with rounded corners

Function Resource: Triangle3DTo2D

Given a 3D triangle, return an equivalent 2D triangle along with a transformation function

Paclet Resource: Jlaragonvera/CGAlgebra

Calculations on conformal geometric algebra

Function Resource: RandomScribble

Make a random scribble graphic

Function Resource: CellularAutomataCartogram

A cellular automata method for creating cartograms

Function Resource: LucasCircles

Get the three Lucas circles of a given triangle

Function Resource: PolygonInterpolation

Interpolate over values given at the vertices of a polygon

Function Resource: RegularPolygonAngleRadius

Compute the polar radius of a regular polygon

Function Resource: BlendLine

Blend between lines

Paclet Resource: DanielMcDonald/GroupTheoryPaclet

Extra functionality for finite group theory

Function Resource: EpicyclePlot

Plot the composition of cycles having different radii, frequencies and phases

Function Resource: DoyleSpiral

Plot Doyle spirals

Function Resource: TrigDataset

Get trigonometric datasets including closed-form values

Function Resource: MortonCurve

Generate a Morton (z-order) curve

Function Resource: TriangleEdgesQ

Test if three given lengths make a triangle

Function Resource: GershgorinDisks

Show the Gershgorin disks of a square matrix

Function Resource: SimplexMeasure

Get the measure of a simplex or simplicial complex

Function Resource: IteratedAffinePlot

Plot polygons after iteratively applying a translation, scaling and rotation

Data Resource: Dust Frequency by WMO Station

Average annual and monthly number of days with dusty weather for Iran, Jordan, and Saudi Arabia

Neural Net Resource: Sketch-RNN Trained on QuickDraw Data

Generate hand-drawn sketches

Function Resource: Cos2PiOverFermatPrime

Closed form of cos(2π/p) where p is a Fermat prime (3, 5, 17, 257, 65537) a la Gauss

Function Resource: NoncontiguousCartogram

Create a noncontiguous cartogram

Data Resource: Fog Frequency by WMO Station

Average annual and monthly number of days with fog for 22 nations

Data Resource: Rain Frequency by WMO Station

Average annual and monthly number of days with rain for 28 nations

Data Resource: Snowfall Frequency by WMO Station

Average annual and monthly number of days with snowfall for 9 nations

Function Resource: SchmidtArrangements

Generate Schmidt arrangements of circles

Function Resource: CayleyMengerMatrix

Evaluate the Cayley-Menger matrix of a simplex

Data Resource: Thunder Frequency by WMO Station

Average annual and monthly number of days with thunder

Function Resource: ParametricManifoldToGraph

Generate the graph associated with a parametric description of a manifold

Function Resource: DorlingCartogram

Create a non-overlapping cartogram type with visual equalization, partial topology preservation and no shape preservation

Function Resource: RayTransferMatrix

Calculate the ray transfer matrix of a Gaussian optical system

Data Resource: Overcast Frequency by WMO Station

Average annual and monthly number of days without sunshine

Function Resource: TaylorPolynomial

Compute the Taylor polynomial of a given order of a function of one or several variables

Function Resource: ToAssociations

Recursively replace lists of rules with associations

Function Resource: IdealCoinTossStatistics

Compute the probabilities and statistics associated with tossing a coin

Function Resource: GaussianBeam

Represent a Gaussian beam and its parameters

Example Resource: Portfolio Optimization

Find the optimal portfolio weights that balance expected return and risk based on simulated asset data

Function Resource: MetropolisHastingsSequence

Generate a sequence of values using the Metropolis–Hastings Markov chain Monte Carlo method

Example Resource: Fitting Distributions to Daily S&P 500 Price Changes

Compare logistic and lognormal distributions fitted to S&P 500 daily price changes to determine which better represents financial return data

Function Resource: AcentricFactor

Estimate the acentric factor of a substance

Function Resource: NibbleArray

An array of nibbles (four-bit values)

Function Resource: UnevaluatedAssociation

Construct an association without evaluating any of the keys or values

Function Resource: FromNumberExpansion

Rational approximation of a real number using different kinds of commonly known series expansions