
I thought I'd start this thread about useful sites programmers could go to if they needed general help or information...

Jun414 07:18 PM
TheDemx27

64 
71,283 
I recently noticed a substantial request for c++ information. Therefore it is my pleasure to announce the opening of...

Nov2005 08:26 PM
dduardo

8 
100,007 
Please post your C++ questions or comments here for Tutorial 1.

Apr1414 11:40 PM
TSC

168 
105,434 
The general policy of Physics Forums is that requests for help with solving specific problems or exercises must be...

Sep109 02:45 PM
jtbell

0 
19,723 
Hello all,
I'm running a stochastic simulator for chemical rate equations and I'd like to know how to specifically...

Aug2206 08:13 PM
nmtim

3 
3,638 
I'm writing a large amount of data to a binary file. Trouble is, I don't know how much until the program finishes...

Aug2406 06:57 PM
mezarashi

3 
3,524 
does anyone know of a fast ode solver in pure C?
a google search yields many solvers, but mostly in fortran...

Nov1406 04:02 PM
0rthodontist

1 
5,202 
So I'm using freopen to redirect output from stdout to a file... How do I redirect it back to the screen?
relevant...

May1507 03:28 PM
AlephZero

1 
2,751 
I am doing some work using static variables  and they apparently aren't static.
void function ( arguments ) {
...

Jun207 09:45 AM
AlephZero

5 
1,287 
Hello,
I need to write a method that adds an interger to a sorted array of integers. I'm using the following code...

Jul307 10:28 PM
Job

9 
5,608 
I'm trying to search for duplicate values in a array of integers in Java. The array of intergers is sorted. Could...

Jun3008 04:42 PM
pumas

3 
2,678 
So I just graduated from high school and am heading to college with the intention of getting a BS in physics. I took a...

Sep1209 02:08 PM
CFDFEAGURU

20 
2,135 
While there are various estimates to the year in which we will not be able to continue adding transistors to a given...

Jan2410 12:58 PM
edpell

5 
8,253 
Hello everyone...i need to find the swirl ratio in an IC engine and the formula is given in the image file. How can I...

Aug1313 03:23 PM
pv_cfd

0 
782 
How do we know that we have the expected number of packets transmitted
by the source? :
E = E + E  1
Thank...

Mar2009 11:43 PM
pykphysics

0 
1,162 
So, I'm trying to learn how to do a discrete fourier transform, with an emphasis on bandpass filtering (for a simple...

May2307 10:03 PM
Pythagorean

2 
4,029 
I've read the (a?) matlab file on memory on their webiste. Basically, their advice deals with data generation, which...

Jul2310 01:05 AM
Pythagorean

0 
1,231 
so I make a vector:
V3 = ;
V3c = ;
find(V3c == Vc(2))
and I get nothing (no matches)
apparently, when...

Jul2610 04:06 AM
cpt_carrot

6 
5,203 
Hi, I am making a program with the simulation software Breve. It codes in Python or in Steve (their own language). In...

May1012 02:26 PM
PythagoreLove

2 
906 
Hello,
I really need help solving the following problem. I only begin to get familiar with graphs and might have...

Jun911 01:53 PM
Qch

1 
1,124 
I have several fortran code files which can be correctly compiled and run in Windows XP using gfortran. But, when I...

Mar1911 08:41 AM
qinjie1629

1 
1,357 
I need a programming language primarily to solve tedious, recursive math problems. I've heard that lisp is good for...

Jan1809 02:37 PM
signerror

2 
1,301 
Hi all. I'm trying to download MiKTeX. Please note I know absolutely nothing about LaTeX and MiKTeX.
So I went to...

Apr708 11:51 AM
qspeechc

4 
3,127 
Hello everyone.
I recently had to use Octave on campus, and I noticed they had a newer version from the last time I...

Aug408 01:52 PM
will.c

3 
7,676 
Hi everyone.
So, I have a quantity I am computing, say w, a vector. Now w is a function of time t and space x. I...

Sep2009 06:52 AM
BCox

6 
101,080 
hi! im trying to create a script that will run a program, enter inputs (this program requires some inputs for it to...

Sep1909 09:31 PM
Quadruple Bypass

3 
1,010 
I use the command eig(A) to calculate the eigenvalues of the matrix A, in which k,α,β,γ are variables,
A=;
eig(A)...

Apr2612 01:01 PM
quansnow

2 
1,151 
Has anyone tried the Microsoft Robotics Studio?

Dec2906 02:12 AM
quantum123

0 
2,007 
Is it possible to evaluate a legendre polynomial p(n,x) using the recurrence relation
p(n,x)=p(n1,x)*xp(n2,x) in...

Feb2809 09:07 AM
mathmate

2 
1,771 
I decided to write an arbitrary precision calculator but I'm having problems with division.
It will multiply a...

Aug2112 03:14 PM
hotvette

4 
1,109 
I just finished all of my finals today, and now the summer is here! I am in a REU for the semester, and I should have...

Apr2612 11:24 PM
chiro

13 
1,542 
I'm writing something in Java, (but the language doesn't really matter for this problem), and I can't figure out any...

Oct213 03:38 AM
CompuChip

1 
806 
Hi,
I'm stumped trying to learn how to use the GNU scientific library.
I installed X11, Xcode and gsl library...

Aug1311 05:42 AM
I like Serena

15 
2,878 
Hi :),
I am trying desperately to make this program work. The original program:
...

Mar2010 02:13 PM
quddusaliquddus

4 
981 
Okay. I need to write a C program to convert between fahrenheit and celsius degrees.

Feb309 09:34 PM
Coin

3 
926 
Hi!
I'm having kind of a "little" problem. I got an old program written in Fortran77 and I want to implement some...

Jun2809 07:25 AM
eys_physics

1 
1,631 
hi friends. i dont know how can i write a fortran code for expressing spins in heisenberg model which have 3 dimension...

Sep2112 05:12 PM
Mark44

1 
945 
Hi friends . is there any body here who can give me a fortran code for describing fcc lattice and give us the...

Oct2312 08:19 PM
Mark44

3 
1,070 
Hi friends
is there anybody who know about Alps Code and working with its programs in linux?
I really need alot of...

Dec212 02:29 PM
quin

0 
713 
Here is a good tool for checking your solution when converting a number from decimal to binary or from binary to...

Aug2009 08:44 PM
Qwerty112233

2 
34,190 
'kay, I've been doing coasting along in C++, overloading operators, defining matrix arithmetic... Except, there's this...

Mar1008 12:24 AM
qxcdz

0 
2,065 
Looks like useful link:
http://boredzo.org/pointers/

May1308 11:39 PM
zyh

4 
14,156 
Hey, I decided to start learning python so I downloaded it yesterday and decided to try and make a simple program to...

Jul2208 07:27 AM
R.Harmon

4 
5,570 
Hi,
does anyone know of some nice rootfinding method (preferable GSL :)) for a data set  i.e. I have a set of 3D...

Feb1408 02:21 PM
CRGreathouse

4 
1,810 