
What is this?:This is a list that contains hotkeys and short cuts designed to make your time writing equations in...

Oct1712 06:24 PM
Gertlex

17 
197,002 
What are the advantages and disadvantages of MATHCAD, MATLAB, maple and mathematica?
Which one do you use, and why?

Jul2214 10:36 AM
shadi_s10

49 
129,022 
What's a good freeware latex editor?
I've been trying to install LEd, but it's not going smoothly, so I don't want...

Jun714 08:10 AM
freshman123

26 
72,849 
Hello,
I am currently doing a 3rd year undergrad project on forward radio meteor scatter
the problem involves...

Feb509 10:20 AM
JakeA

1 
10,261 
guic

Jan2308 12:40 PM
adm_strat

3 
10,245 
There seem to be many versions of Latex avaliable for download for free. But which is the official version? Basically,...

Jan3007 11:27 PM
mattmns

5 
10,240 
http://www.physicsforums.com/showthread.php?t=191423&page=2
Skip to the end of page 2, anyone, help with the plot...

Oct2207 02:53 PM
qspeechc

0 
10,208 
Hi,
How can I find the following from an array with entries of 0, 1, and >1:
Find the sum of all the entries in...

Apr2709 10:39 AM
jwiix

3 
10,204 
i'm using basic graphics on matlab where i use
text(x,y,'text as string')
to display text on a plot. is there a...

Oct1410 09:13 PM
quantum13

2 
10,129 
Hello folks :)
I need to model a finite element model of a beam in bending in matlab
i need directions and help ...

Apr1208 04:42 PM
Amir_hma

2 
10,125 
Hi, when I want to reference an equation in my latex file I use "eqref{}" with produces "(1)".
I would like to change...

Aug2909 04:46 PM
cristo

3 
10,056 
Hey folks,
Am I doing something wrong here? It just seems like I should be able to get a better fit. The data is...

Apr1812 02:10 PM
ericvandamme

13 
10,042 
<LINK DELETED>
Will someone help me to answer these questions?
Does energy contain intelligence?
I was...

Jul2207 03:20 PM
Math Is Hard

3 
10,040 
Hello all.
I am having troubles reading in data(from a .hdf file) and giving it my own variable names. I have...

Mar410 08:40 AM
edvthu32

2 
10,040 
Hello,
I could use some help with plotting.
I need to plot the intersection of three cylinders:
x^2+y^2=1...

Oct811 05:08 PM
pandarean

13 
10,028 
Do mathematical proofs exist, of things that we are not sure exist, especially those, that do not have observational...

Jun1004 02:32 AM
Rader

43 
9,994 
I have created a graph in MATLAB using gplot. The graph has >2000 nodes, hence there is a lot of overlap between nodes...

Feb2311 01:43 AM
dpsguy

7 
9,967 
Hi there!
For quite a while I am trying to get this to work... what i just to read a struct array.
I have this...

May2209 12:35 PM
erdnase

0 
9,952 
I am trying to model gravity with vector field lines in Matlab. I can kinda do it with a 2D plot, but I cant quite...

Sep106 11:12 PM
Dirty D

2 
9,934 
\bibitem Counting each item as "", but I want to change it to "1." how to do this?

May3108 09:51 PM
Dr Transport

1 
9,922 
I am trying to solve a system of differential equations and plot solution curves. The differential equations have...

Sep210 12:27 PM
airborne18

5 
9,897 
Hi,
I'm looking for some help regarding a problem I have.
It's a problem I'm doing for my computer science class,...

Apr704 11:12 AM
matt grime

11 
9,832 
Hi,
I have a matrix V, which is a 5by2 matrix, where each row represents a point in the xyplain. How can I...

Apr1511 02:55 PM
jhae2.718

13 
9,819 
I'm not sure how to do this... I have the following velocity field:
t = % in seconds
u=5*t*y
v=2*t^2*x^2
How...

May1608 09:30 AM
JohnSimpson

2 
9,797 
I was playing around with Mathematica and I discovered this via the help:
...

Jun1608 07:55 AM
faitswulff

6 
9,782 
I am trying to create a simple GUI in Matlab with two push buttons and two static text boxes. The basic premise is...

Apr1412 10:40 PM
ekrum

2 
9,768 
Hi all!
I am having great trouble in the last days trying to make matlab plot for me a function of a matrix...

Mar2411 10:29 AM
Marin

3 
9,718 
I would like to define and plot a list of functions in Mathematica without
typing all them, but I can't find the...

Jul1108 02:53 PM
alphysicist

3 
9,682 
http://img337.imageshack.us/img337/8922/problemcmi0.jpg
Can anyone explain to me please how this problem is solved ?

Apr1908 05:36 AM
uaeXuae

6 
9,662 
1. The problem statement, all variables and given/known data
i have 3 vectors a,b,and c. on matlab, i have to find...

Nov807 04:56 PM
sara_87

5 
9,634 
Hello, I need help with Mathematica. I want to plot a graph of y=sin x, but on the xaxis, I want pi, 2pi, 3pi, etc...

Jun1807 01:00 PM
CompuChip

8 
9,630 
I have located a Latex software bundle that claims drawing Feynman Diagrams...
I am inquiring if someone who has...

Aug1405 04:46 AM
Orion1

0 
9,624 
i would like to type up a lab report with alot of equations and calculations on word but i don't know how to use latex...

Jan706 10:04 PM
TSN79

11 
9,601 
Hey guys,
I got this assignment last week and have been doing every bit of research I can to try to figure out what I...

Mar1711 11:40 AM
rogue007

1 
9,592 
Hello
In the following, I need 1\leq m\leq M to be exactly under "arg", How can I do that?
...

Aug209 06:27 AM
S_David

6 
9,570 
Hi,
I'm trying to enter this into matlab:
G(s) = 1/((C1+C2)s)
How can I enter this into matlab?
Thanks!

Nov2507 08:57 PM
pnjbi

3 
9,538 
For example, how would I plot the fixed vector <3, 4, 3>?
I'm not sure if I'm using the correct language; I mean...

Jan1511 02:14 AM
Bill Simpson

1 
9,528 
I have a huge set of data. About 5000 excel sheets and in each one about a 500x7 matrix. I'll be doing a lot of...

May107 05:46 PM
LeBrad

4 
9,516 
I see in MATLAB that you can call legendre(n,X) and it returns the associated legendre polynomials. All I need is is...

Oct809 08:32 PM
CFDFEAGURU

1 
9,463 
1. The problem statement, all variables and given/known data
Prove that, for all integers n =>1
\frac{1}{1*2} +...

Mar2808 03:09 AM
Schrodinger's Dog

41 
9,452 
Hi, can anyone recommend me an open source or at least a free program similar to Derive or Mathematica? I did some...

Jan907 11:39 AM
haki

10 
9,451 
Hi all,
This question may be silly but I've come across with erf function while performing a symbolic integration...

Sep2309 10:10 PM
Barkan

2 
9,392 
I'm trying to prooduce a plot of a root locus for an open loop transfer function.
The transfer function is in the...

Apr1405 05:59 PM
SGT

1 
9,391 