Wolfram Resource System

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Paclet Resource: Wolfram/QuantumFramework

Perform analytic and numeric quantum computations

Paclet Resource: Wolfram/ErrorTools

Prototype implementation of next-generation error handling for Wolfram Language, from the Error Handling Working Group (EHWG)

Paclet Resource: Wolfram/CodeEquivalenceUtilities

Utilities for testing code equivalence

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: PeterBurbery/DimensionalAnalysis

A paclet for applications of dimensional analysis in physics and the engineering sciences

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: ArmandoCruz/ZeroKnowledgeProofs

Implementation of Zero Knowledge proof interactive and non-interactive protocols

Paclet Resource: AntonAntonov/MosaicPlot

Mosaic plots for datasets and lists of records

Paclet Resource: AntonAntonov/MonadMakers

Functions for making software monads

Paclet Resource: AntonAntonov/DataReshapers

Data reshaping functions

Function Resource: NFourierTransform

Find a numerical approximation for a Fourier transform

Function Resource: NInverseFourierTransform

Find a numerical approximation for the inverse Fourier transform

Function Resource: NFourierSequenceTransform

Find a numerical approximation to the Fourier sequence transform

Function Resource: NFourierCosTransform

Find a numerical approximation for a Fourier cosine transform

Function Resource: NFourierSinTransform

Find a numerical approximation for a Fourier sine transform

Function Resource: NInverseFourierSequenceTransform

Find a numerical approximation to the inverse Fourier sequence transform of a periodic function

Function Resource: SymbolicFourier

A symbolic version of the Fourier function

Function Resource: NInverseFourierSinTransform

Find a numerical approximation for an inverse Fourier sine transform

Example Resource: Quantum Fourier Transform

Generate a QFT circuit for any number of qubits

Function Resource: NInverseFourierCosTransform

Find a numerical approximation for an inverse Fourier cosine transform

Function Resource: FourierShift

Shift the zero-frequency term to the center of the spectrum

Function Resource: FastFourierGraph

Create a fast Fourier transform calculation in graphical form

Function Resource: FourierShiftInverse

Invert a zero-frequency shift

Function Resource: NFourierSeries

Find a numerical approximation for an exponential Fourier series expansion of a function

Function Resource: DiscreteHilbertTransform

Compute the discrete Hilbert transform of a list

Function Resource: DiscreteHartleyTransform

Compute the discrete Hartley transform of a list

Function Resource: NFourierTrigSeries

Find a numerical approximation for a trigonometric Fourier series expansion of a function

Example Resource: Discrete-Time Fourier Transform of a Moving-Average Filter

Obtain and visualize the frequency response of a 2D moving-average filter

Example Resource: Chirp Z Transform of a Moving-Average Filter

Compute and visualize the magnitude and path of a chirp Z transform of a moving-average filter

Function Resource: InverseFourierCoefficient

Find a function with a given Fourier exponential series

Function Resource: WhiteningTransform

Transform data such that its covariance matrix is the identity matrix

Function Resource: HartleyMatrix

Generate a Hartley matrix

Function Resource: NumberTheoreticTransform

Compute the number-theoretic transform of a list of integers

Function Resource: NFourierCoefficient

Find a numerical approximation for a Fourier exponential series coefficient of a function

Function Resource: NInverseFourierCoefficient

Find a numerical approximation for a function with a given Fourier exponential series

Function Resource: TrigApproximateList

Generate a trig series that approximates a list of data

Function Resource: DiscreteHilbertTransformMatrix

Generate a matrix that arises in the computation of the discrete Hilbert transform

Function Resource: InversionTransform

Generate a geometric transformation function for inversion about a point

Function Resource: NFourierSinCoefficient

Find a numerical approximation for a Fourier sine coefficient of a function

Function Resource: NFourierCosCoefficient

Find a numerical approximation for a Fourier cosine coefficient of a function

Function Resource: MappedTransformedDistribution

Transform a statistical distribution by applying the same function to all of its arguments

Function Resource: ExpressionTransform

Construct and aggregate subexpressions with descending and ascending operators

Function Resource: UnitSystemTransform

Transform a quantity into a different unit system

Function Resource: TensorCoordinateTransform

Transform components of tensors with arbitrary rank with regard to their transformation behavior under any given mapping

Function Resource: NInverseLaplaceTransform

Find the numerical approximation for the inverse Laplace transform

Function Resource: MathToMusicTransform

Transform a mathematical function into its musical representation

Example Resource: Radon Transforms

Transform an image to appear as in a medical CT scan

Function Resource: FractionalBrownianMotion2D

Generate a fractional Brownian surface

Function Resource: ComplexTransformImage

Add a complex transformation to an image

Function Resource: QuantumWignerTransform

Convert quantum bases, states or operators in Hilbert space to functions in phase space

Example Resource: Fisheye Effect for Audio Signals via STFT Transformation

Use the short-time Fourier transform to apply fisheye effects

Function Resource: TrigFit

Construct a least-squares trigonometric fit to data

Function Resource: IrregularPeriodogram

Compute a periodogram for data from unevenly spaced intervals

Function Resource: LevinSum

Evaluate an infinite sum using the Levin transformation

Function Resource: EpicyclePlot

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

Example Resource: Transform a Region Using Image Processing Filters

Convert a 3D region into a 3D image, deform and transform it back to the mesh region

Function Resource: AndrewsPlot

Visualize multivariate data by projecting them on a Fourier basis

Function Resource: ChamferedPolyhedron

Chamfer a given polyhedron

Example Resource: Use Contours to Make Hand Drawings

Create hand drawings of objects in images using Fourier of contour points

Function Resource: WenigerSum

Evaluate an infinite sum using the Weniger transformation

Function Resource: SIConstantConvert

Transform a unit into a product of constants

Function Resource: ReplaceAt

Replace parts of an expression using replacement rules and a part specification

Function Resource: FactorialMod

Fast factorial modulo a given number

Paclet Resource: WolframAlphaMath/SpecialFunctionsAndCalculus

Compute MeijerG forms of functions, fractional-order integro-derivatives, integral transforms and more

Prompt Resource: MarketingJargonized

Transforms replies to marketing

Function Resource: ODENormalForm

Transform a differential equation into normal form

Function Resource: SalzerPiessensInversionWeights

Get a list of abscissas and weights for the numerical inverse Laplace transform

Function Resource: DoyleSpiral

Plot Doyle spirals

Example Resource: Spectrogram of a Synthesized Violin

Prompt Resource: MedicalJargonized

Transform replies into medial jargon

Function Resource: FoodEntityCommonName

Transform a food entity to its common name

Function Resource: TimeSeriesEnsemble

Transform a long time series into an ensemble of segments with aligned starts

Function Resource: NSeries

Find a numerical approximation of a series expansion of a function

Function Resource: WolframModelLorentzFactor

Calculate the Lorentz factor of a Lorentz-transformed Wolfram Model causal graph

Function Resource: FoxHToMeijerG

Express FoxH in terms of MeijerG whenever applicable

Function Resource: RecordsSummary

Summarizes datasets, lists, or associations that can be transformed into full two dimensional arrays

Function Resource: NResidue

Find a numerical approximation of a residue of an expression around the specified point

Data Resource: Solid Waste Landfill Facilities

Oak Ridge National Laboratory is the largest US Department of Energy science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security.

Function Resource: SpectralRandomnessTest

Use a discrete cosine transform–based method to test the randomness of a sequence of random reals

Function Resource: ReplaceContext

Transform an expression by replacing all symbols in one context with symbols of the same name in another context

Example Resource: Standardize Audio Training Inputs

Transform audio signals into 2D power spectra for net training inputs using a custom audio encoder

Function Resource: MeijerGForm

Convert a mathematical expression into an equivalent expression with head MeijerG

Function Resource: FoxHForm

Convert a mathematical expression into an equivalent expression with head FoxH

Function Resource: GaussianHessenbergDecomposition

Compute the Gaussian Hessenberg decomposition of a matrix

Function Resource: PolyhedronCanonicalForm

Generate the canonical form of a convex polyhedron

Function Resource: ApproximatedSurface

Approximate a parametric surface with different graphics primitives

Function Resource: Triangle3DTo2D

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

Function Resource: LatticeUnitCellPlot3D

Display specific unit cells in a 3D lattice

Function Resource: ProjectGraphics3D

Project 3D graphics onto a plane

Function Resource: RibbonPolyhedron

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

Function Resource: GatherByIndex

Combine items into sublists based on their position

Function Resource: CoordinateVector

Find the coordinate vector of a vector with respect to a basis

Function Resource: PolyhedronFaceReflect

Reflect a polyhedron over a given face

Neural Net Resource: Pose-Aware Face Recognition in the Wild Nets Trained on CASIA WebFace Data

Represent a facial image as a vector

Function Resource: CrossTabulate

Compute the contingency table for a two- or three- column dataset or array

Function Resource: NFunction

Allow a function to perform pure numeric computation by silently ignoring non-numeric values

Function Resource: BarycentricCoordinates

Find the barycentric coordinates of a point

Function Resource: QuadricPlot3D

Plot a quadric surface, automatically determining the regions of interest, view direction and scaling

Function Resource: InverseStereographicProjection

Compute the parametrization of a curve projected onto the unit sphere

Function Resource: AssociationKeyFlatten

Flatten keys in a nested association

Function Resource: ExtractPlotImageData

Extract data from a plot image

Function Resource: KeyIndex

Create an association indexed by a given key from a list of associations

Function Resource: AggregateSmallest

Group small values in an association into a single category

Function Resource: MergeByKey

Merge a list of associations using different merge functions for different keys

Function Resource: PartitionByCooccurence

Find the best-fitting partitions for a list of groups using co-occurrence counts

Function Resource: RelativisticInertialDeformedRegion

Compute the apparent visual shape of an object or region traveling with constant velocity

Function Resource: SphericAnamorphosisMap

Convert a point reflected in a spherical mirror to its spherical anamorphosis map in a plane parallel to the xy-plane

Function Resource: HampelFilter

Remove outliers from a signal using a Hampel window

Function Resource: DuplicatesList

Give the elements that appear more than once in the input list

Function Resource: PointsToRules

Convert a list of points into a list of substitution rules

Function Resource: TrimRight

Shorten lists to the same length by removing elements from the right

Function Resource: TrimLeft

Shorten lists to the same length by removing elements from the left

Function Resource: DeleteAdjacentDuplicates

Delete adjacent duplicates from a list

Function Resource: TimeSeriesPad

Make a time series in full periods of specified granularity by padding with Missing

Function Resource: ValuesReduceOperator

Group data according to the positionally corresponding values of other data

Function Resource: QuaternionToRotationMatrix

Convert a unit quaternion to an equivalent rotation matrix

Function Resource: TimeSeriesSelect

Filter values out of a time series object

Function Resource: KeyCombine

Map a function over the keys of an association, and collect or combine values in the event of key collisions

Function Resource: TimeSeriesZero

Shift a time series to start at 0 seconds

Function Resource: TensorIndexJuggling

Given a metric, convert between covariant and contravariant components of a tensor

Function Resource: FromTensor

Convert TensorContract expressions into an equivalent form using Dot and Tr

Function Resource: EinsteinSummation

Given tensors and their indices, sum over repeated indices

Function Resource: AxisAngle

Generate the axis-angle representation of a three-dimensional rotation matrix

Function Resource: IteratedAffinePlot

Plot polygons after iteratively applying a translation, scaling and rotation

Function Resource: ListGrowthPlot

Plot the growth of lists and temporal data

Function Resource: PseudonymizeData

Consistently replace sensitive data values with UUIDs

Function Resource: TakeAfter

Take elements after a specified element in an expression

Function Resource: DropSmallest

Drop the smallest values from a list

Function Resource: BoundaryElementMeshTranslate

Translate a boundary element mesh

Function Resource: QuantileOperator

An operator form of the Quantile function

Function Resource: ArrayCropPad

Crop uniform values from the edges of an array

Function Resource: HedgesG

Computes the Hedges g statistic measuring an "effects size" difference between two lists of data

Function Resource: PooledVariance

Compute the pooled variance of multiple lists of data

Function Resource: TimeSeriesAlign

Align multiple time series to begin at the same time

Function Resource: SampleRebalance

Resample data to correct for sampling bias

Function Resource: MapLevel

Create an operator that maps a function over data at a specified level

Function Resource: ReplaceAllOutside

Similar to ReplaceAll, but parts of the expression can be ignored by providing a pattern

Function Resource: PooledStandardDeviation

Compute the pooled standard deviation of multiple lists of data

Function Resource: BootstrapStatistics

Bootstrap a single statistic or a list of statistics

Function Resource: Loess

Smooth noisy data using local regression

Function Resource: DiscreteDolphChebyshevWindow

Return a discrete Dolph-Chebyshev window sequence

Function Resource: PlaneOfBestFit

Get the hyperplane that best fits a set of points

Function Resource: AddSemantics

Automatically add semantics to structured data

Function Resource: MapSelectCounted

Map a function over selected elements of a list, also passing in a running count of such elements

Function Resource: PairMap

Map a function to pairs formed from a list and another function

Function Resource: TrimmedLinearFit

Linear model fitting discarding outliers

Function Resource: Correlogram

Visualize the autocorrelation of data

Function Resource: LogSumExpLayer

Neural network layer that implements the LogSumExp operation on any level

Function Resource: PowerMean

Compute the mean of a list of numbers all taken to some power

Function Resource: PowerTotal

Compute the total of a list of numbers all taken to some power

Function Resource: HextileBins

Bin data into hexagon tiles

Function Resource: TakeBefore

Take elements before the specified element in an expression

Function Resource: ProjectionMatrix

Compute the projection matrix for a given vector space

Function Resource: SchmidtArrangements

Generate Schmidt arrangements of circles

Function Resource: TimeSeriesCompress

Remove redundant data from a time series

Function Resource: LSystem

Generate an L-system

Function Resource: RandomRotationQuaternion

Return uniformly distributed random rotations in quaternion form

Function Resource: GroupCases

Group elements of a list using patterns

Function Resource: OutShuffle

Perform an out shuffle on a list

Function Resource: InShuffle

Perform an in shuffle on a list

Function Resource: DeleteFailures

Delete failures in an expression

Function Resource: LaurentExtendedGCD

Compute the GCD and successive quotients for a pair of Laurent polynomials

Function Resource: ModularTessellation

Compute polygons, circles, compositions and transformation functions for the tessellation of the upper half-plane by the modular group

Function Resource: PivotTable

A spreadsheet-like operation to collate data by values common to specified columns, summarizing corresponding values in a specified column

Function Resource: DICOMAnonymize

Anonymize DICOM files by removing or replacing metadata that could lead to identification of a patient

Function Resource: MoleculePrincipalMomentPlot

Visualize the distribution of molecule shapes in a 2D scatter plot

Function Resource: WelchSpectralEstimate

Fast numerical estimation of the power spectral density or the cross spectral density

Function Resource: TukeyMedianPolish

Find row and column effects in a data matrix by repeatedly subtracting the median

Function Resource: IndependentComponentAnalysis

Decompose a matrix into Independent Component Analysis matrix factors

Function Resource: PrincipalAxisClustering

Quickly cluster a point cloud by recursive separation

Function Resource: NonNegativeExcessDistribution

Compute the distribution of the amount in excess of a specific value drawn from an underlying distribution

Function Resource: FCGRImage

Produce a frequency chaos game representation image from a string of nucleotides

Function Resource: ListD

Find the numerical derivative of a list of values or pairs of values

Data Resource: SI Brochure Data

Data from the SI Brochure published by the BIPM

Example Resource: Build a Vocoder Using STFT Transformations

Impose the spectral envelope of a modulator signal onto a carrier

Function Resource: ReflectPoints

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

Function Resource: GeometricRotationQuiz

Generate a quiz to assess understanding of geometric rotations

Function Resource: PhylogeneticTreePlot

Plot a dendrogram for a set of genome nucleotide sequences

Function Resource: HarmonicQuadrilaterals

Generate three cyclic harmonic quadrangles from a reference triangle

Function Resource: VoronoiNoise

Create an image based on Voronoi noise

Function Resource: MercerMatrix

Generate a Mercer matrix

Function Resource: NormalLaplaceDistribution

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

Function Resource: CoordinateMappingData

Calculate characteristic properties for a generalized mapping between two coordinate systems

Function Resource: DPSSWindow

Generate the zero-order discrete prolate spheroidal sequence window

Function Resource: StereographicProjection

Compute the stereographic projection from the unit sphere to a plane

Function Resource: DoubleParetoLogNormalDistribution

Represent a double Pareto log-normal distribution

Function Resource: TimeShiftedDistribution

A derived distribution useful in actuarial science

Function Resource: JohnsonCircles

Generate three congruent Johnson circles given a reference triangle

Function Resource: DigitalCirclism

Generate circle packings covering a picture

Function Resource: PseudoZernikeR

Evaluate the radial pseudo-Zernike polynomial

Example Resource: Keypoint-Based Video Stabilization

Use keypoints and estimate geometric transformations between video frames to stabilize a video

Example Resource: Remove Background Features from a CT Scan

Use segmentation and segment selection techniques to remove background features from an image

Example Resource: Nondimensional Form of Black Hole Surface Gravity

Example Resource: Classify Cells Based on Their Shape

Use convexity defects to classify cells

Example Resource: Keypoints for a Projective Transformation

Use ORB keypoint descriptors to compute an image transformation

Example Resource: Replace a Daytime Background with a Nighttime Image

Use color-based segmentation to find a uniform color background

Data Resource: United States Supreme Court Decisions 1946-present

Datasets relating to Supreme Court cases from 1946 to present

Example Resource: Blood Cell Identification

Segment and classify normal and burr cells

Example Resource: Prefactors for Nondimensionalized Formulas

Remove physical dimensions from the left- or right-hand sides of formulas

Example Resource: Count Gear Teeth Using Image Contours

Develop a convex hull–based algorithm to analyze the shape of gears

Example Resource: Discover and Define Physical Quantities and Units

Find canonical units for derivatives of physical quantity variables and create new quantities and unit