| Path : /usr/share/calc/help/ |
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| Current File : //usr/share/calc/help/hmean |
NAME
hmean - harmonic mean of a number of values
SYNOPSIS
hmean(x_1, x_2, ...)
TYPES
x_1, ... arithmetic or list
return determined by types of arguments, or null
DESCRIPTION
The null value is returned if there are no arguments.
If there are n non-list arguments x_1, x_2, ... and the
required operations are defined, hmean(x_1, x_2, ...) returns the
value of:
n/(inverse(x_1) + inverse(x_2) + ... + inverse(x_n)).
If an argument x_i is a list as defined by list(y_1, ..., y_m)
this is treated as if in (x_1, x_2, ...), x_i is replaced by
y_1, ..., y_m.
EXAMPLE
; c = config("mode", "frac")
; print hmean(1), hmean(1,2), hmean(1,2,3), hmean(1,2,3,4), hmean(1,2,0,3)
1 4/3 18/11 48/25 0
LIMITS
The number of arguments is not to exceed 1024.
LINK LIBRARY
none
SEE ALSO
avg
## 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.
## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
##
## Under source code control: 1995/12/18 03:30:59
## 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/