PermutationReplace (Built-in Mathematica Symbol)

PermutationReplace[expr, perm] replaces each part in expr by its image under the permutation perm.PermutationReplace[expr, gr] returns the list of images of expr under all ...

Launching MathLM (Mathematica Tutorial)

Once installed, MathLM starts running automatically by default each time the machine is rebooted. To start or stop MathLM manually, follow these instructions. It is assumed ...

Resonance Absorption Lines Package (Resonance Absorption Lines Package Tutorial)

The functions defined in ResonanceAbsorptionLines` allow you to efficiently search through an atomic data table for resonance absorption lines. Other functions give ...

Setting Up the Problem (Mathematica Tutorial)

The first argument given to DSolve is the differential equation, the second argument is the unknown function, and the last argument identifies the independent variable. Here ...

ElementData (Built-in Mathematica Symbol)

ElementData["name", " property"] gives the value of the specified property for the chemical element " name".ElementData[n, " property"] gives the specified property for the ...

AbsoluteTime (Built-in Mathematica Symbol)

AbsoluteTime[] gives the total number of seconds since the beginning of January 1, 1900, in your time zone.AbsoluteTime[{y, m, d, h, m, s}] gives the absolute time ...

Replace or Remove Invalid or Missing ... (Mathematica How To)

In data analysis, it is often necessary to clean a dataset before analyzing it. Data points with missing entries or that contain invalid values must be removed or replaced by ...

AIFF (Mathematica Import/Export Format)

MIME types: audio/aiff, audio/x-aiff, audio/x-aifc AIFF digital audio format. Commonly used in professional audio processing applications and on Macintosh. AIFF is an acronym ...

LaTeX (Mathematica Import/Export Format)

MIME type: application/x-tex LaTeX typesetting system and programming language. Commonly used for typesetting mathematical and scientific publications. Plain text format. ...

TAR (Mathematica Import/Export Format)

MIME types: application/tar and application/x-tar TAR archive file format. Combines collections of files in a single archive. Popular on Unix systems. Often used in ...