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 
176,569 
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 
116,247 
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 
65,123 
I am trying to replicate an example problem that was found in an "into to combustion book"....... And of course, yes...

Jan3112 10:12 AM
tapon.mahbub

12 
21,377 
Please help me recognize what is wrong with this professor supplied code...
clear all
options=odeset('events',...

Jan3112 06:04 PM
mmmann1

0 
1,513 
The problem statement, all variables and given/known data
Hi, guys. I've been reading a paper including some...

Jan3112 10:52 PM
vikky_manit

8 
26,800 
My function is;
y(x,s)= 1(cos*gamma(s1))/(1+x^2)^(s1)/2
varible x will have range from 0 to 10. At one time...

Jan3112 11:17 PM
jedishrfu

6 
2,226 
Is anybody aware of a free or at least inexpensive mathematics software package which allows the calculation of linear...

Feb112 04:52 AM
hunt_mat

1 
991 
can someone help me out with a mathematica problem ( i use mathematica 6)? I have never used this program before and...

Feb112 09:39 AM
biggeek

9 
4,604 
Hi All,
Does anyone if it's possibe to use the 'exist' function in Matlab to check whether any data has been...

Feb112 10:33 AM
rpach

1 
4,669 
Hi,
I am running FindRoot on three variable system of three nonlinear equations for a variety of parameters (four)...

Feb112 08:19 PM
NRedacted

6 
3,142 
M0=100;
var0=100;
i=1:478
j=1:448
if(temp(i,j)>M)
...

Feb212 07:34 AM
vikky_manit

3 
1,381 
Some mathematicians note that their intellectual powers (at least where mathematics is concerned) seem to diminish...

Feb212 01:38 PM
smyth

22 
4,936 
What is the difference between Geant4 and Pythia?

Feb312 01:45 AM
welatiger

2 
1,218 
Hi, Im new to LaTeX and am having trouble putting images up on a document; I am using TeXnicCenter (in it u can use...

Feb312 02:18 AM
emma.ai

4 
10,489 
This can be very useful, so I thought i'd share.
If you edit the
> Wolfram...

Feb312 08:56 PM
aimforclarity

0 
1,032 
Could any body kindly tell me how to obtain max1, min1, and max2 via Matlab?
Thanks alot

Feb412 03:39 PM
Pythagorean

4 
981 
The program I wrote accepts a certain number between 3 and 18.
Then it returns the ways this number can be obtained...

Feb412 05:34 PM
phyzguy

1 
1,145 
Hi,
I have a whole bunch of data (Arrays of the form H1, H2, H3 etc) that I want to crunch to create 10 more...

Feb412 06:07 PM
Bill Simpson

1 
947 
I have a gamma function in the form of Gamma(s1) where s can take only positive values. How can I plot this function...

Feb412 06:11 PM
Bill Simpson

1 
1,212 
Hi,
Am plotting a graph and need to scale the axes so that i can take my range of 'x'axis values from 1 to...

Feb412 06:27 PM
Bill Simpson

1 
1,658 
Hi All,
I have to solve a system of nonlinear equations for a wide range of parameter space. I'm using FindRoot...

Feb412 06:35 PM
Bill Simpson

1 
1,484 
?hi,
im trying to write a code that should do this
create a random sized zeros vector
create a random size ones...

Feb512 09:56 AM
jhae2.718

3 
1,279 
Hi,
I'm working on an assignment which requires me to superimpose the graphs of 10 different discontinuous...

Feb512 05:52 PM
kingwinner

2 
1,423 
∂ω2 = (1cos2(Δt)e2γ(t))/(nTtsin2(Δt)e2γ(t))
n,T are assumed as constants. How can I use Mathematica to find the...

Feb612 10:26 AM
Bill Simpson

5 
1,510 
hey guyzzzz
i got a problem with this matlab program ...um a beginner in using matlab :D...and my professor insists...

Feb612 12:25 PM
AIR&SPACE

1 
2,342 
Hi All,
I'm trying to solve a set of three coupled ODES. I have given initial values for all functions, and I...

Feb612 09:20 PM
tau1777

4 
2,451 
I have to simulate the motion of particle in an electromagnetic device which deflects particle using electric and...

Feb712 08:49 AM
1Keenan

4 
1,716 
I'm trying to solve a system of linearly dependent equations. I solved the first set no problem, but for some reason...

Feb712 07:12 PM
lanew

0 
1,390 
Hello everyone,
I've been trying to figure out how to obtain the multiplicative inverse of an integer in Zn in...

Feb712 09:33 PM
Bill Simpson

1 
1,658 
Hi,
I have an image (attached) I have to use as a reference.
To be clear I have to use this grid as calibration...

Feb812 06:32 AM
donadoni99

2 
1,948 
I am trying to compute the Fourier transform of a square pulse with MATLAB's FFT.
Code:
Fs=1000; %Sampling rate...

Feb812 11:44 AM
fysiikka111

0 
2,733 
I test the code
L :=
test := proc (i) local a1; a1 := 1; add(a  b*L, b = 1 .. 2) end proc
...

Feb812 12:31 PM
Osiris

0 
871 
I cannot seem to make mathematica plot the following equation correctly:
r = 3 Cos + iSin;
plotbeta = PolarPlot,...

Feb812 04:54 PM
tarheelborn

2 
1,222 
I have problem like this:recetengular cells,each of the cells should be colored.I have tried with NCLNcCAR but it is...

Feb812 05:09 PM
Milentije

2 
1,206 
hi everyone
I have a matlab question.
I want find all of zeros below equation:...

Feb812 07:48 PM
ghasem007

0 
851 
Hello guys, I was using a class assignment using matlab, and the code is provided by the professor. All we need to do...

Feb812 11:06 PM
vienhuynh

2 
1,379 
Hello,
Im stuck in matlab, i have an equation with 3 unknowns. how can i get the maximum answer possible? Is there...

Feb1012 03:23 AM
anushcbe

1 
1,237 
Hi. Can you recommend programs which able to numerically solve of Matrix Riccati Differential Equation with...

Feb1012 06:31 AM
srpvx

0 
1,154 
I am sorry guys  I don't have privileges to post in other sections of this forum.
I am looking for a Latex program...

Feb1012 01:22 PM
Ray Vickson

2 
1,129 
I'm having an output quality problem with ParametricPlot3D in Mathematica 7.
I need to show a complicated curve...

Feb1012 06:47 PM
Bill Simpson

3 
1,479 
% Calculate the vapor Pressure of nheptane using SRKEOS
% P = RT / V  b  alpha*a / V(Vb)
R = 8.134e3; % MPa...

Feb1112 08:59 PM
qazinasir

2 
1,116 
Question: How can I plot the derivative of a function?
Following code for problem 5.9 in MatLab by Gilat 4th Ed:
...

Feb1212 03:52 AM
Zaragoza_S

0 
1,175 