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65 lines
1.7 KiB
Plaintext
65 lines
1.7 KiB
Plaintext
NAME
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forall - to evaluate a function for all values of a list or matrix
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SYNOPSIS
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forall(x, y)
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TYPES
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x list or matrix
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y string
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return null value
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DESCRIPTION
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In forall(x,y), y is the name of a function; that function
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is performed in succession for all elements of x. This is similar
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to modify(x, y) but x is not changed.
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EXAMPLE
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; global n = 0
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; define s(a) {n += a;}
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; A = list(1,2,3,4)
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; forall(A, "s")
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; n
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10
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; define e(a) {if (iseven(a)) print a;}
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; forall(A, "e")
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2
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4
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LIMITS
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none
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LINK LIBRARY
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none
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SEE ALSO
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modify
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## Copyright (C) 1999 Landon Curt Noll
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##
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## Calc is open software; you can redistribute it and/or modify it under
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## the terms of the version 2.1 of the GNU Lesser General Public License
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## as published by the Free Software Foundation.
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##
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## Calc is distributed in the hope that it will be useful, but WITHOUT
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## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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## Public License for more details.
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##
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## A copy of version 2.1 of the GNU Lesser General Public License is
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## distributed with calc under the filename COPYING-LGPL. You should have
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## received a copy with calc; if not, write to Free Software Foundation, Inc.
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## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
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##
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## @(#) $Revision: 29.3 $
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## @(#) $Id: forall,v 29.3 2006/05/07 07:25:46 chongo Exp $
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## @(#) $Source: /usr/local/src/cmd/calc/help/RCS/forall,v $
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##
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## Under source code control: 1995/07/10 02:09:31
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## File existed as early as: 1995
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##
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## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
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## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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