03-15-2010
8 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hello guys!
Can say me anybody about operatios with unix, I don't to make operations, only inside in a variable, like this
#y=4
#x=2
#let z=$y-$x
#echo $z
# 2
but I can't to make mathematical operations with decimal like this
#y=3.2
#x=1.5
#let z=$y-$x
#echo $z
# 3
this... (2 Replies)
Discussion started by: cesar720213
2 Replies
2. UNIX for Dummies Questions & Answers
Hi Friends,
I am new to shell scripting and a trying to work this out.
I have a variable called $number.
The value in this variable is 10
I want to display $number - 2 in a mail. The result would be 8
eg.
mail -s 'subject' user <<eof
the result of your calculation is $number - 2... (2 Replies)
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3. Shell Programming and Scripting
please give the difference between AIX shell scripting and Unix shell scripting. (2 Replies)
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4. Shell Programming and Scripting
I've been able to generate output based on the code scarfake provided me (thanks again man).
A little background so everyone more or less knows whats going on:
I needed code that would propagate a database with 100,000 entries, for capacity testing purposes, something like a stress test.
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5. Shell Programming and Scripting
Hi, i wish to learn unix commands and shell scripting.
platform is solaris. but i am focused more on handy unix commands than system administration.
which books do you recommend? (1 Reply)
Discussion started by: nurulamin862
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6. UNIX for Dummies Questions & Answers
Hello Experts,
I have the following questions to be discussed here at this esteemed discussion forum.
I have two Excel sheets which contain Unix Commands llike creating directory the structure/ftp/Copy/Zip etc to basically create an environment. I need help in understanding some of... (1 Reply)
Discussion started by: faizsaadq
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7. Shell Programming and Scripting
Hi ,
Please excuse me for opening a new thread i am unable to find out the syntax error
in my if else condition inside for loop in awk command ,
my actual aim is to print formatted html td tag when if condition (True) having string as "failed",
could anyone please advise what is the right... (2 Replies)
Discussion started by: karthikram
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8. What is on Your Mind?
I have added a new experimental "Computer Science and Mathematics Trivia - True or False" section in the discussions, currently under the tags box.
In the future, I plan to
Expand this feature to add more trivia categories from math, science and technology.
Keep track of correct and... (20 Replies)
Discussion started by: Neo
20 Replies
JACAL(1) General Commands Manual JACAL(1)
NAME
JACAL - symbolic mathematics system
SYNOPSIS
jacal [ scheme | scm | gsi | mzscheme | guile | scheme48 | larceny | scmlit | elk | sisc | kawa ]
DESCRIPTION
JACAL is a symbolic mathematics system for the simplification and manipulation of equations and single and multiple valued algebraic
expressions constructed of numbers, variables, radicals, and algebraic functions, differential, and holonomic functions. In addition, vec-
tors and matrices of the above objects are included.
OPTIONS
The optional argument to the jacal script is the Scheme implementation to run. Absent the argument, it searches for implementations in the
above order.
ENVIRONMENT VARIABLES
SCHEME_LIBRARY_PATH
is the SLIB Scheme library directory.
FILES
jacal.info
Texinfo documentation of jacal.
demo
batch("demo"); to demonstrate commands in jacal
rw.math
batch("rw.math"); to demonstrate tensors in "The Robertson-Walker Cosmology Model".
test.math
batch("test.math"); for regression suite.
AUTHORS
Aubrey Jaffer (agj @ alum.mit.edu)
Michael Thomas
Jerry D. Hedden
SEE ALSO
The JACAL home-page:
http://swiss.csail.mit.edu/~jaffer/JACAL.html
The full documentation for jacal is maintained as a Texinfo manual. If the info and jacal programs are properly installed at your site, the
command
info jacal
should give you access to the complete manual.
4th Berkeley Distribution Dec 20 2007 JACAL(1)