matsum

来自「Calc Software Package for Number Calc」· 代码 · 共 57 行

NAME
    matsum - sum the elements of a matrix

SYNOPSIS
    matsum(m)

TYPES
    m		matrix with any types of elements

    return	number

DESCRIPTION
    Returns the sum of the numeric (real or complex) elements of m.
    Non-numeric elements are ignored.

EXAMPLE
    ; mat A[2,2] = {1, 2, 3, list(1,2,3)}
    print matsum(A)
      6

LIMITS
    none

LINK LIBRARY
    void matsum(MATRIX *m, VALUE *vres);

SEE ALSO
    mat, ismat, matdim, matmax, matmin, mattrans, mattrace, matfill,
    det, inverse, isident, test, config, search, rsearch, reverse, copy,
    blkcpy, dp, cp, randperm, sort

## Copyright (C) 1999-2006  Landon Curt Noll
##
## Calc is open software; you can redistribute it and/or modify it under
## the terms of the version 2.1 of the GNU Lesser General Public License
## as published by the Free Software Foundation.
##
## Calc is distributed in the hope that it will be useful, but WITHOUT
## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
## or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU Lesser General
## Public License for more details.
##
## A copy of version 2.1 of the GNU Lesser General Public License is
## distributed with calc under the filename COPYING-LGPL.  You should have
## received a copy with calc; if not, write to Free Software Foundation, Inc.
## 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
##
## @(#) $Revision: 29.4 $
## @(#) $Id: matsum,v 29.4 2006/06/25 22:16:55 chongo Exp $
## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/matsum,v $
##
## Under source code control:	1995/10/25 04:03:46
## File existed as early as:	1995
##
## chongo <was here> /\oo/\	http://www.isthe.com/chongo/
## Share and enjoy!  :-)	http://www.isthe.com/chongo/tech/comp/calc/