math(n) 4.2 math "Tcl Math Library"
math - Tcl Math Library
package require Tcl 8.2
package require math ?1.2.2?
The math package provides utility math functions.
- ::math::cov value value ?value ...?
-
Return the coefficient of variation expressed as percent of two or
more numeric values.
- ::math::integrate list of xy value pairs
-
Return the area under a "curve" defined by a set of x,y pairs and the
error bound as a list.
- ::math::fibonacci n
-
Return the n'th Fibonacci number.
- ::math::max value ?value ...?
-
Return the maximum of one or more numeric values.
- ::math::mean value ?value ...?
-
Return the mean, or "average" of one or more numeric values.
- ::math::min value ?value ...?
-
Return the minimum of one or more numeric values.
- ::math::prod value ?value ...?
-
Return the product of one or more numeric values.
- ::math::random ?value1? ?value2?
-
Return a random number. If no arguments are given, the number is a
floating point value between 0 and 1. If one argument is given, the
number is an integer value between 0 and value1. If two
arguments are given, the number is an integer value between
value1 and value2.
- ::math::sigma value value ?value ...?
-
Return the population standard deviation of two or more numeric
values.
- ::math::stats value value ?value ...?
-
Return the mean, standard deviation, and coefficient of variation (as
percent) as a list.
- ::math::sum value ?value ...?
-
Return the sum of one or more numeric values.
math, statistics