9 More Discussions You Might Find Interesting
1. Programming
Well guys and gals I have discovered after all these years that Python does complex numbers without the 'complex()' function or 'cmath' import.
It is well known that Euler's Identity E**(i*pi)+1=0 so I decided to experiment
Last login: Fri Dec 13 18:27:30 on ttys000
AMIGA:amiga~> python3.8... (0 Replies)
Discussion started by: wisecracker
0 Replies
2. Homework & Coursework Questions
! The one-dimensional PDE for heat diffusion equation
! u_t=(D(u)u_x)_x + s where u(x,t) is the temperature,
! D(u) is the diffusivity and s(x,t) is a source term.
! Taking D(u)= 1 and s(x,t)=0 gives
! u_t= u_xx
! uniform one dimensional region |x|<1 for t>0
! uniform mesh size delta x=0.1
!... (1 Reply)
Discussion started by: watto1
1 Replies
3. Shell Programming and Scripting
HI All,
I have a script in bash that i want that script will perform action
When the size of a particular folder exceeds the 80%.
Here is an example of script that result is exactly 80% :
#!/bin/bash
CHECK=$(df -h /var/log/syslog | grep '80%' | xargs echo | cut -d' ' -f5)
if ];... (1 Reply)
Discussion started by: Aviel.shani
1 Replies
4. Shell Programming and Scripting
if input to the perl program is ' ( p * ((a+b) * (c+d))) + q ' it shuld give the output as ' pac + pad + pbc + pbd + q ' .can anyone suggest a way to do this ? (7 Replies)
Discussion started by: Anuj8584
7 Replies
5. Shell Programming and Scripting
Hi,
Is there a way to evaluate an equation contained in a string within an AWK script?
For example:
A = "(5*2)-1" (this equation is read from a file and varies line by line)
In this example, I can't see any way to get an answer of 9 unless I do:
cmd = "awk 'BEGIN{print "A"}'"
cmd |... (3 Replies)
Discussion started by: srdgeo
3 Replies
6. News, Links, Events and Announcements
About 4 years ago I wrote this tool inspired by Rob Urban's collect tool for DEC's Tru64 Unix. What makes this tool as different as collect was in its day is its ability to run at a low overhead and collect tons of stuff. I've expanded the general concept and even include data not available in... (0 Replies)
Discussion started by: MarkSeger
0 Replies
7. UNIX for Dummies Questions & Answers
Hay, guys,
Any ideas how to calculate like this:
in first file, there're number of lines listing 2+3, 6*9 .......
Then, how to get the result and put them in another file in format:
2+3 5
6*9 54
......
sheerly by shell command, no scripts required. (4 Replies)
Discussion started by: robbinGlasses
4 Replies
8. UNIX for Advanced & Expert Users
i want to determine I/O performance of an
executable,
but iostat dont give correct results because
the disk that i am writing to and reading from,
are not physical disk of the host machine,
instead of these local disks we are using
a network storage.
is there any standard way in unix to get... (2 Replies)
Discussion started by: gfhgfnhhn
2 Replies
9. UNIX for Advanced & Expert Users
Hi,
1-in vmstat commande line, in reply, which column is the more important to look and verify if server is very slow ?
2-how can I see how many sessions are opened with the same login ?
Many thanks before. (2 Replies)
Discussion started by: big123456
2 Replies
Performance Equation