TopHatTransform[image, ker] gives the morphological top-hat transform of image with respect to structuring element ker.TopHatTransform[image, r] gives the top-hat transform ...

WeightedGraphQ[g] yields True if the graph g is a weighted graph and False otherwise.

When you manipulate power series, it is sometimes convenient to think of the series as representing functions, which you can, for example, compose or invert. Composition and ...

You can define the derivative in Mathematica of a function f of one argument simply by an assignment like f'[x_]=fp[x]. This defines the derivative of f(x) to be fp(x). In ...

"Manipulating Elements of Lists" shows how you can pick out elements of lists based on their positions. Often, however, you will need to select elements based not on where ...

To get a square root sign, press the Control key and the 2 key at the same time. Press Ctrl+2 or Ctrl+@. Type inside the placeholder (which is already selected).

The essence of most methods is in the local quadratic model that is used to determine the next step. The FindMinimum function in Mathematica has five essentially different ...

Mathematica usually goes about its work silently, giving output only when it has finished doing the calculations you asked for. However, if it looks as if Mathematica is ...

DatabaseLink provides functions for working with data stored in tables in SQL databases. Operations such as searching, inserting, and deleting are supported. They also ...

MLINK getMathLink (WolframLibraryData libData) gets a MathLink connection to use for evaluations in Mathematica.