math (3)
NAME
math - Tcl Math LibrarySYNOPSIS
package require Tcl 8.2package require math ?1.2.5?
::math::cov value value ?value ...?
::math::integrate list of xy value pairs
::math::fibonacci n
::math::max value ?value ...?
::math::mean value ?value ...?
::math::min value ?value ...?
::math::product value ?value ...?
::math::random ?value1? ?value2?
::math::sigma value value ?value ...?
::math::stats value value ?value ...?
::math::sum value ?value ...?
DESCRIPTION
The math package provides utility math functions.
Besides a set of basic commands, available via the package math, there are more specialised packages:
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- math::bigfloat - Arbitrary-precision floating-point arithmetic
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- math::bignum - Arbitrary-precision integer arithmetic
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- math::calculus::romberg - Robust integration methods for functions of one variable, using Romberg integration
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- math::calculus - Integration of functions, solving ordinary differential equations
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- math::combinatorics - Procedures for various combinatorial functions (for instance the Gamma function and "k out of n")
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- math::complexnumbers - Complex number arithmetic
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- math::constants - A set of well-known mathematical constants, such as Pi, E, and the golden ratio
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- math::fourier - Discrete Fourier transforms
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- math::fuzzy - Fuzzy comparisons of floating-point numbers
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- math::geometry - 2D geometrical computations
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- math::interpolate - Various interpolation methods
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- math::linearalgebra - Linear algebra package
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- math::optimize - Optimization methods
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- math::polynomials - Polynomial arithmetic (includes families of classical polynomials)
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- math::rationalfunctions - Arithmetic of rational functions
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- math::roman - Manipulation (including arithmetic) of Roman numerals
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- math::special - Approximations of special functions from mathematical physics
- *
- math::statistics - Statistical operations and tests
BASIC COMMANDS
- ::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::product 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.