Plot Diagnostics for Fitted Models (Mathematica How To)

Diagnostics are an important part of analyzing models of data. Plots of residuals and leverage or influence measures provide valuable insight into whether assumptions of the ...

Norm (Built-in Mathematica Symbol)

Norm[expr] gives the norm of a number, vector or matrix. Norm[expr, p] gives the p-norm.

TIFF (Mathematica Import/Export Format)

Registered MIME type: image/tiff TIFF raster image format. Commonly used in image manipulation applications, page layout applications, scanners and other imaging devices, and ...

WolframAlpha (Built-in Mathematica Symbol)

WolframAlpha["query"] sends query to Wolfram|Alpha and imports the output.WolframAlpha["query", format] imports the output according to the specified format.

DateString (Built-in Mathematica Symbol)

DateString[] gives a string representing the complete current local date and time. DateString["elem"] gives the specified element or format for date and ...

Agglomerate (Hierarchical Clustering Package Symbol)

Agglomerate[{e_1, e_2, ...}] gives an hierarchical clustering of the elements e_1, e_2, ....Agglomerate[{e_1 -> v_1, e_2 -> v_2, ...}] represents e_i with v_i in each ...

HermiteH (Built-in Mathematica Symbol)

HermiteH[n, x] gives the Hermite polynomial H_n (x).

Searching Files (Mathematica Tutorial)

Finding lines that contain specified text. Here is a file containing some text. This returns a list of all the lines in the file containing the text is.

Naming and Finding Files (Mathematica Tutorial)

The precise details of the naming of files differ from one computer system to another. Nevertheless, Mathematica provides some fairly general mechanisms that work on all ...

The Structure of Graphics (Mathematica Tutorial)

"Graphics and Sound" discusses how to use functions like Plot and ListPlot to plot graphs of functions and data. This tutorial discusses how Mathematica represents such ...