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Shell Programming and Scripting
how to compare big real numbers
Post 302138514 by fpmurphy on Tuesday 2nd of October 2007 05:23:24 AM
10-02-2007
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9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi anyone,
i need to compare two decimal numbers
i thought that it could be do it with if but... :(
So, i'm writing in csh and i really apreciate if anyone can help me
if ( $ppl_kn <= $ppl_wb ) then
echo "############# KNdiscount model has the lowest perplexity"
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2. Shell Programming and Scripting
Hai,
Can you please guide me, to compare the floating point numbers.
Eg.
If
then
echo "value1 is grater "
fi
This code is not working properly when i excuted with floating values or real numbers (13 Replies)
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3. Shell Programming and Scripting
Help plz
Does any one have any idea how to compare interval ranges of 2 files.
finding 1-4 (1,2,3,4) of input2 in input1 of same key "a" values (5-10, 30-40, 45-60, 80-90, 100-120 ). Obviously 1-4 is not one of the range with in input1 a. so it should give out of range.
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4. Shell Programming and Scripting
I am looking for a better way to match real numbers within a specified tolerance range. My current code is as follows:
if ($1 !~ /^CASE/) for(i=1;i in G;i++) if (G >= $5-1 && G <= $5+1)
{ print $1,$4,$5,J,G }
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5. Shell Programming and Scripting
I am begining to learn bourne shell and as a practice I have written a script which when given the purchase price and percentage of discount calculates the savings.
I somehow cannot figure out why my script fails to do arthimatic calculation on real numbers.
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6. UNIX for Advanced & Expert Users
Hi ,
I have a requirement to compare 2 files which can contain 40 million or more records and more than 20 fields to compare .
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7. Shell Programming and Scripting
Hello everybody
Looking for help in comparing two files in Linux(files are big 800MB each).
Example:-
File1 has below data
$ cat file1
5,6,3
2.1.4
1,1,1
8,9,1
File2 has below data
$ cat file2
5,6,3
8,9,8
1,2,1
2,1,4 (1 Reply)
Discussion started by: shanul karim
1 Replies
8. UNIX for Beginners Questions & Answers
Hello everybody
Looking for help in comparing two files in Linux(files are big 800MB each).
Example:-
File1 has below data
$ cat file1
5,6,3
2.1.4
1,1,1
8,9,1
File2 has below data
$ cat file2
5,6,3
8,9,8
1,2,1
2,1,4 (8 Replies)
Discussion started by: shanul karim
8 Replies
9. Shell Programming and Scripting
Hi all,
i need help.
I have two csv files with a huge amount of data.
I need the first column of the first file, to be compared with the data of the second, to have at the end a file with the data not present in the second file.
Example
File1: (only one column)
profile_id
57036226... (11 Replies)
Discussion started by: SirMannu
11 Replies
LEARN ABOUT OSX
math
math(n) Tcl Math Library math(n) __________________________________________________________________________________________________________________________________________________ NAME
math - Tcl Math Library SYNOPSIS
package require Tcl 8.2 package 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: o math::bigfloat - Arbitrary-precision floating-point arithmetic o math::bignum - Arbitrary-precision integer arithmetic o math::calculus::romberg - Robust integration methods for functions of one variable, using Romberg integration o math::calculus - Integration of functions, solving ordinary differential equations o math::combinatorics - Procedures for various combinatorial functions (for instance the Gamma function and "k out of n") o math::complexnumbers - Complex number arithmetic o math::constants - A set of well-known mathematical constants, such as Pi, E, and the golden ratio o math::fourier - Discrete Fourier transforms o math::fuzzy - Fuzzy comparisons of floating-point numbers o math::geometry - 2D geometrical computations o math::interpolate - Various interpolation methods o math::linearalgebra - Linear algebra package o math::optimize - Optimization methods o math::polynomials - Polynomial arithmetic (includes families of classical polynomials) o math::rationalfunctions - Arithmetic of rational functions o math::roman - Manipulation (including arithmetic) of Roman numerals o math::special - Approximations of special functions from mathematical physics o 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. BUGS, IDEAS, FEEDBACK This document, and the package it describes, will undoubtedly contain bugs and other problems. Please report such in the category math of the Tcllib SF Trackers [http://sourceforge.net/tracker/?group_id=12883]. Please also report any ideas for enhancements you may have for either package and/or documentation. KEYWORDS
math, statistics CATEGORY
Mathematics math 1.2.5 math(n)