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ActiveTcl User Guide
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math(n) 4.2 "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