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linalg::vecdim

Number of components of a vector

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Syntax

linalg::vecdim(v)

Description

linalg::vecdim(v) returns the number of elements of the vector .

Examples

Example 1

We define a column vector with two elements and a row vector with four elements:

v1 := matrix([1, 0]); v2 := matrix([[1, 2, 3, 4]])

linalg::vecdim gives us the number of elements, i.e., the dimension of these vectors:

linalg::vecdim(v1), linalg::vecdim(v2)

In contrast, the function linalg::matdim returns the number of rows and columns of these vectors:

linalg::matdim(v1), linalg::matdim(v2)

Parameters

v

A vector, i.e., an n×1 or 1 ×n matrix of a domain of category Cat::Matrix

Return Values

Positive integer.

See Also

MuPAD Functions

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