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MATLAB thread

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clazziquai
Profile Blog Joined October 2007
6685 Posts
September 27 2008 08:28 GMT
#1
Hey guys I'm currently taking engineering and we all have to take this Intro to Computers class which basically you learn this program called MATLAB, Matrix Laboratory.

So I was wondering if around here also uses it!
And perhaps, are there any experts?

=)

Well discuss!
#1 Sea.Really Fan / #1 Nesh Fan / Terran Forever~
indecision
Profile Blog Joined November 2004
Germany818 Posts
September 27 2008 08:31 GMT
#2
erhh,
we used it in numerical mathematics last year. Don't know too much about it, though
cba
Profile Blog Joined December 2007
Australia94 Posts
September 27 2008 08:37 GMT
#3
i have to learn it this year as part of math. at first it was annoying and confusing, but now i really came to appreciate what matlab can do. in fact i find it fun when im writing my own functions and they magically work. then i actually got to use it to help me do some of my non-matlab homework. pretty neat.
CDRdude
Profile Blog Joined May 2007
United States5625 Posts
September 27 2008 08:37 GMT
#4
I took an engineering class that was programming in matlab. It was easy, and I got a good grade. Now I don't rember any of it at all.
Force staff is the best item in the game.
clazziquai
Profile Blog Joined October 2007
6685 Posts
September 27 2008 08:39 GMT
#5
LOL

damn...

so far it's not that bad. I fell asleep in one of the lectures that had to do with the project due so I need to review it.
So I have no idea haha

I'm on Matrices and vectors btw...
#1 Sea.Really Fan / #1 Nesh Fan / Terran Forever~
jhNz
Profile Blog Joined September 2006
Germany2762 Posts
Last Edited: 2008-09-27 08:43:37
September 27 2008 08:42 GMT
#6
i had a lecture about it at university. but i don't know much about it anymore just because there's no real need to use it for me. so i guess i could still do some basic stuff, but for more advanced things i'd really need to read my scripts about it again

btw there is a really good freeware alternative program for matlab called scilab. i used that at university for excerices at home. the syntax is the same and i never found out where the difference in the amount of functionality is. so if you wanna try it just go to http://www.scilab.org/ .
http://twitter.com/jhNz
Bozali
Profile Joined January 2008
Sweden155 Posts
September 27 2008 08:55 GMT
#7
Been using it for 3 different courses, it's not that hard if you now Linear Algebra and maths previous to it. And maybe some fundamental programing with for-loops etc.
MasterOfChaos
Profile Blog Joined April 2007
Germany2896 Posts
September 27 2008 09:04 GMT
#8
Computer algebra systems like mathematica and maple are really usefull too. I use them to solve Integrals and Diff-Equations. There is at least one free CAS available called Maxima.
LiquipediaOne eye to kill. Two eyes to live.
Klive5ive
Profile Blog Joined January 2008
United Kingdom6056 Posts
Last Edited: 2008-09-27 09:07:56
September 27 2008 09:06 GMT
#9
Matlab is alright.
I had to learn to use it for my Electronics Degree and it is annoying to use for complex sums.

On the plus side if you've done just a bit of programming you can pick it up very fast and it becomes useful later on for checking other work (as cba pointed out).

There are other programs on the market that you might be interested in.
If you can get hold of a copy of Mathematica *somehow* I would, it's a far superior piece of software: http://www.wolfram.com/products/mathematica/index.html
Don't hate the player - Hate the game
uppTagg
Profile Blog Joined May 2007
Sweden473 Posts
September 27 2008 09:07 GMT
#10
On September 27 2008 17:37 CDRdude wrote:
I took an engineering class that was programming in matlab. It was easy, and I got a good grade. Now I don't rember any of it at all.


Same here :O
men du... Tagga!
Boblion
Profile Blog Joined May 2007
France8043 Posts
Last Edited: 2008-09-27 09:17:58
September 27 2008 09:09 GMT
#11
On September 27 2008 17:37 CDRdude wrote:
I took an engineering math class that was programming in matlab. It was easy hard, and I got a good grade because the father of a friend made for us the Matlab program for the semester project . Now like before I don't remember any of it at all because my teachers were quite bad and they failed to explain how it works. The funny thing is that i googled the questions of our "project" and i found the solutions of all the non MATLAB related questions. 16/20 coeff 6 GG semester



fuck all those elitists brb watching streams of elite players.
ZpuX
Profile Blog Joined December 2002
Sweden1230 Posts
September 27 2008 09:17 GMT
#12
had to learn matlab in numerical methods as well. The lectures doesen't give you much, it's alot better to have a friend who did programming before help you out with the basic for/if/while functions, and then just sit down with a problem and try to solve it, using some internet site where you can search for textreading functions etc. Also, programming is alot about logic, especially with matlab, easy to self learn imo.
Really, play for fun!
kemoryan
Profile Blog Joined December 2007
Spain1506 Posts
September 27 2008 09:22 GMT
#13
I use an open source app which is basically the same as MATLAB (but free) called Octave.
It is for windows linux and mac and there's a very big community around it.

I have some knowledge of Octave since I've used it in the first year at cs career.
Freedom is a stranger
Ki_Do
Profile Blog Joined July 2008
Korea (South)981 Posts
September 27 2008 09:39 GMT
#14
yeh, i got to use this thing too...
its very simple since it doesnt require stat or end commands, you wont have a hard time using it
I've got a point, and i'm ready to kill or die for it.
Boblion
Profile Blog Joined May 2007
France8043 Posts
Last Edited: 2008-09-27 09:55:53
September 27 2008 09:55 GMT
#15
I had to use it for a program involving some weird polynoms and i think it wasn't easy. When you end up with a shitload of variables + Sequences, there are always some weird errors because of the typo or something like that. Hopefully we got helped.
fuck all those elitists brb watching streams of elite players.
iloveHieu
Profile Joined November 2007
United States1919 Posts
September 27 2008 11:06 GMT
#16
I took a couple classes on Matlab so I'm pretty familiar with it, not saying I'm expert though.

just practice a lot, you just have to spend hours on it is my advice.
Xellos <3
HnR)hT
Profile Joined October 2002
United States3468 Posts
September 27 2008 11:15 GMT
#17
I've used Matlab for Monte Carlo simulations in some stochastic models. Easy to use, but it's no substitute for being a skilled programmer
Saracen
Profile Blog Joined December 2007
United States5139 Posts
September 27 2008 11:17 GMT
#18
i have to use it for an internship project and i have no idea how it works beyond changing around variables in the script and running to print out pretty graphs
HnR)hT
Profile Joined October 2002
United States3468 Posts
September 27 2008 11:44 GMT
#19
On September 27 2008 18:04 MasterOfChaos wrote:
Computer algebra systems like mathematica and maple are really usefull too. I use them to solve Integrals and Diff-Equations. There is at least one free CAS available called Maxima.

Mathematica can't do integrals reasonably. Once I tried it for an integral whose solution was basically an arctangent; it took five minutes and gave an unreadable answer in terms of special functions.
KlaCkoN
Profile Blog Joined May 2007
Sweden1661 Posts
September 27 2008 11:52 GMT
#20
Ehm mathematica can do more or less everything if you know how to use it. Not that I do however.
MATLAB is a very nice and beginner friendly program. You can do alot of fairly advanced calculations with it. Been a while since I used it however since they forced me to switch to fortran programming for my summer project.
IMO the best thing about MATLAB is the huuuge help files, learn to master those and you can do more or less whatever you want
"Voice or no voice the people can always be brought to the bidding of their leaders ... All you have to do is tell them they are being attacked and denounce the pacifists for lack of patriotism and exposing the country to danger."
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