Sets of real numbers

_R: the set of real numbers. Has one parameter domain, whose value can be an interval, a list of two numbers, or null. If domain is null, _R is the set of all real numbers. Otherwise, it is the interval specified by domain.

_R2: the set of 2D vectors of real numbers. Has one parameter domain.

_R3: the set of 3D vectors of real numbers. Has one parameter domain.

_R4: the set of 4D vectors of real numbers. Has one parameter domain.

_Rn: the set of nD vectors of real numbers; has a parameter n and a parameter domain.

_R22: the set of matrices of real numbers. Has one parameter domain.

_R33: the set of matrices of real numbers. Has one parameter domain.

_R44: the set of matrices of real numbers. Has one parameter domain.

_Rnn: the set of matrices of real numbers ; has a parameter n and a parameter domain.

_R21: the set of 2D column vectors of real numbers. Parameter: domain.

_R31: the set of 3D column vectors of real numbers. Parameter: domain.

_R41: the set of 4D column vectors of real numbers. Parameter: domain.

_Rn1: the set of nD column vectors of real numbers. Parameters: n and domain.

_R12: the set of 2D row vectors of real numbers. Parameter: domain.

_R13: the set of 3D row vectors of real numbers. Parameter: domain.

_R14: the set of 4D row vectors of real numbers. Parameter: domain.

_R1n: the set of nD row vectors of real numbers. Parameters: n and domain.

_Rmn: the set of matrices of real numbers. Parameters: m, n and domain

oz 2009-12-22