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 
176,640 
What are the advantages and disadvantages of MATHCAD, MATLAB, maple and mathematica?
Which one do you use, and why?

Nov1213 01:21 PM
Pythagorean

48 
116,258 
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...

Feb1514 11:29 AM
FrankFerrese

25 
65,129 
How do you tell matlab to exit a function with an if test in matlab?
I have tried
if x > 0
exit/quit
,but I...

Sep2509 02:29 AM
MaxManus

2 
35,730 
Hi there,
To start off with I'll start with some systemspecs of my computer, they might be of further need...
...

Sep2509 09:51 AM
Sander1337

0 
3,430 
Hi everybody,
I'm trying to solve this firstorder ODEs system:and I'd like to stop the solution when y, i.e u(3),...

Sep2609 02:44 PM
stevenumber5

0 
3,334 
hi :shy:, well ı am a simple student and ı want to ask a question, if you can answer ı will be very glad...
it is...

Sep2709 12:52 PM
sunlight

2 
1,071 
I'm a beginner using matlab, I saw this function working:
function une=coloca(u)
num=1:256;
val=288(u*3000);...

Sep2909 04:35 AM
thofer

1 
678 
I am very new to LaTeX (outside of PF). I am trying to write up a basic Template to use as a reference.
Most...

Sep2909 02:51 PM
Hepth

2 
11,171 
Hi,
I have several tex documents that share the same mybibliography.bib file. Each of these tex documents have its...

Sep3009 10:55 AM
trambolin

1 
1,012 
The dimensionless form of this equation is:
d^2X/dη^2 +φΧ^2=0 with X=Ca/Cao =,η=x/B/2 and φ=B^2kCao/4Da which is...

Oct109 12:10 AM
tom_vignesh

0 
1,071 
hello everyBody..
am a beginner in matlab i need lil help in the equation blew.. and if anyone has any tutorial for...

Oct209 07:38 AM
ApexOfDE

1 
1,080 
How do i change the variable, so it saves all the values, even if it must happen for 6 different variables name. This...

Oct209 06:41 PM
mathsgeek

4 
1,801 
I'm facing a problem with maple, that's it:
I defined a certain function f(x)
And the i've done the following ...

Oct309 06:57 AM
foufa

0 
831 
I want to create a plot, but want the horizontal axis to have increments as multiples of pi eg. {0, pi/2, pi, 3pi/2,...

Oct309 10:08 AM
ApexOfDE

3 
10,993 
I've been doing some work with coupled ODEs in Matlab. I've been using ODE15s, and calculating the solutions of 40...

Oct309 12:48 PM
jamesrc

3 
1,008 
Hello,
I've defined a long expression f(x), and then i've done the following sum(f(x),x=1..n) maple blocks when...

Oct309 05:25 PM
foufa

0 
1,118 
Hi
i am a new user to comsol RF module. Actually I a want to model the heating of a material using IR waves.... can...

Oct409 09:19 PM
lostinsocorro

1 
2,017 
Hi,
I'm trying to make Mathematica calculate a system of differential equations
(initial value problem) in a FOR...

Oct509 08:56 AM
Andreas_D

6 
911 
for a project i have to open, edit and save a varying amount of files. I use a matlab code for this. It works fine and...

Oct509 09:34 AM
JeroenS

5 
4,668 
Hi there!
A stupid question maybe but I've found this issue neither in the Mathematica documentation nor in the...

Oct709 04:07 AM
leastaction

3 
3,391 
Hi all, I'm trying to write an mfile which will compute a solution matrix given a coefficient matrix and right hand...

Oct809 06:10 AM
trambolin

3 
16,368 
Hi
Does anyone know any good libraries to use to draw circuit diagrams in LaTeX2e? (except CIRC which looks ugly in...

Oct809 02:20 PM
kbaumen

1 
2,033 
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 
9,301 
Hello everyone..
in the following code, why the \mid (or pipe) symbol is not stretched..but \rangle is fine
i want...

Oct909 10:38 AM
Rajini

2 
810 
Hi, all.
I'm interested in plotting the following function:
f(y)=\left\{\begin{array}{ll}y,&0<y<1\\\\2y,&1\leq...

Oct909 10:53 AM
hatsoff

0 
732 
I have a list L={a_{1}, ..., a_{n}}. I would like to find the mean of
L_{i} := {a_{1}, ... , a_{i}} for each 1<i<n,...

Oct909 04:56 PM
skitapa

5 
1,994 
What is the difference between absorption mode and magnitude mode FFT?
And also the difference between...

Oct1109 11:09 AM
zxc01

0 
1,083 
Hello,
I have the following Mathematica code warnings:
NIntegrate::slwcon: Numerical integration converging too...

Oct1109 05:20 PM
S_David

13 
3,190 
Okay then :smile: Here is another one of my ridiculous posts. Yay!
Let's say I want to write my own CFD code in...

Oct1209 06:34 AM
CFDFEAGURU

19 
3,995 
Hi,
I am trying to draw a plane that is normal to a given vector. I want to enter to the normal in polar...

Oct1209 12:08 PM
Hepth

4 
2,334 
I need to solve this implicit function of the catenary
k=cosh(k/sqrt(k^21))
how do i Do this in mathematica?

Oct1309 12:55 AM
Hepth

2 
1,498 
I am fairly novice user of MathCAD. I am using version 14. I am trying to multiply a diagonalized 3x3 matrix...

Oct1309 01:00 AM
Hepth

6 
7,297 
Hello.
I have recently transferred courses, and am expected to know how to use Matlab, but have never been taught...

Oct1309 04:43 AM
matonski

1 
4,235 
How do I how to insert spaces between words in latex, not new lines or indentation, I mean just a regular space that...

Oct1309 01:15 PM
Mark44

3 
51,567 
that helps you learn (say stimulation, examples, solves problem or w/e)
i ran into "Crocodile Physics", is it any...

Oct1409 06:45 AM
rubrix

1 
1,185 
I need to write a loop that iterates several times to find the limit of this function
f(x) = 5x(x+1) lim...

Oct1409 07:00 AM
DaleSpam

4 
2,207 
I had to calculate an integral, which involves real as well complex parts. As mathematica takes all variables to be...

Oct1409 09:32 PM
keniwas

1 
1,771 
My comp crashed and now I can't open my file anymore...
it gives me this error message:
...

Oct1409 11:53 PM
MATLABdude

1 
1,630 
Hi there
Suppose I have data of the format {x,y+i z} where x,y,z is real and i is the imaginary unit.
I'm...

Oct1509 05:32 AM
Littlepig

0 
1,209 
I am having difficulties with my citations. I am using apsr.bst as my style and want my citations to appear in the...

Oct1509 10:28 AM
xanmas

1 
2,213 
Hello, I've got quick questions.
1. When I have a matrix, x, and try to get different values for each x (given y =...

Oct1509 11:18 AM
Sarah1287

5 
38,610 
Is it possible to find the range and period with mathematica? If so, how do you do it? I have looked through the help,...

Oct1509 11:29 AM
DrDanger

0 
1,769 