RegularExpression["regex"] represents the generalized regular expression specified by the string " regex".

It is often useful to be able to detect and precisely locate a change in a differential system. For example, with the detection of a singularity or state change, the ...

In general, a system of ordinary differential equations (ODEs) can be expressed in the normal form, The derivatives of the dependent variables x are expressed explicitly in ...

Groups admit many different representations. In particular, all finite groups can be represented as permutation groups, that is, they are always isomorphic to a subgroup of ...

Import["file"] imports data from a file, returning a complete Mathematica version of it. Import["file", elements] imports the specified elements from a file.Import["http:// ...

Outer[f, list_1, list_2, ...] gives the generalized outer product of the list_i, forming all possible combinations of the lowest-level elements in each of them, and feeding ...

Computational geometry is the study of efficient algorithms for solving geometric problems. The nearest neighbor problem involves identifying one point, out of a set of ...

TimeValue[s, i, t] calculates the time value of a security s at time t for an interest specified by i.

CountryData["tag", " property"] gives the value of the specified property for the country, country-like entity, or group of countries specified by " tag".CountryData["tag", ...

Building large software systems in Mathematica should follow the general principles that apply to building any large software system. The details may be unique to Mathematica ...