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linalg::nrows -- number of rows of a matrix

Introduction

linalg::nrows(A) returns the number of rows of the matrix A.

Call(s)

linalg::nrows(A)

Parameters

A - a matrix of a domain of category Cat::Matrix

Returns

a positive integer.

Related Functions

linalg::matdim, linalg::ncols, linalg::vecdim

Example 1

The matrix:

>> A := matrix([[1, 2, 3, 4], [3, 1, 4], [5, 6]])
                             +-            -+
                             |  1, 2, 3, 4  |
                             |              |
                             |  3, 1, 4, 0  |
                             |              |
                             |  5, 6, 0, 0  |
                             +-            -+

has three rows:

>> linalg::nrows(A)
                                     3




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