Smart people do this math problem

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Posted by Krypton on Feb-20-2009 18:22:

Piggy, you are awesome. Finished the assignment, took me 3 hours...:-/

I don't remember ever using Gaussian matrices in high school...

Posted by PatMcGroin on Feb-20-2009 18:56:

MATLAB!

edit: or a beautiful ti89 will do the same. rref is very useful but i hate that they make you waste your time in class doing it. its too time consuming. if you can setup the equations then thats all that really matters. any proper calculator or computer will do the calculations for you. its just a very slow process where you really gotta watch yourself in order not to fuck up.

what class is this for? linear algebra?

Posted by d-miurge on Feb-20-2009 19:08:

quote:
Originally posted by PatMcGroin

what class is this for? linear algebra?

In France it's taught in Premi�re (= 11th grade).

Posted by Meat187 on Feb-20-2009 19:10:

quote:
Originally posted by PatMcGroin and others
MATLAB!

What loser needs Matlab for this? It's just three variables and a well-posed problem. I've had problems with far over 10.000 equations and variables. That's when you need Matlab!

quote:
Originally posted by d-miurge
In France it's taught in Premi�re (= 11th grade).

Right after the course on how to be a pretentious frog-eating fag, I presume.

Posted by d-miurge on Feb-20-2009 19:13:

quote:
Originally posted by Meat187
Right after the course on how to be a pretentious frog-eating fag, I presume.

Deffo. See you in the Internet-serious-business course.

Posted by Meat187 on Feb-20-2009 19:15:

quote:
Originally posted by d-miurge
Deffo. See you in the Internet-serious-business course.

I teach that one, you know?

Posted by PatMcGroin on Feb-20-2009 19:18:

quote:
Originally posted by Meat187
What loser needs Matlab for this? It's just three variables and a well-posed problem. I've had problems with far over 10.000 equations and variables. That's when you need Matlab!

yes, matlab is not needed. congrats.

i just like bringing up matlab every chance i get. ive had many teachers that live and die by it. and everytime i stumble across matlab i like to yell out MATLAB as it makes me laugh thinking about how one of my professors says it.

Posted by Meat187 on Feb-20-2009 19:20:

Fun fact:
I once spent almost half an hour re-entering "why" over and over in Matlab.

Posted by skatemple on Feb-20-2009 22:59:

quote:
Originally posted by SuspicionVandit
The substitution from above(shadow_419) is what I was taught and it's very easy.

yes, but thats only for 2 equations, not 3

Posted by jerZ07002 on Feb-20-2009 23:14:

I may be wrong, but this seems like a pretty easy calculus problem. I last took a math class in college (some level of calculus) about 5 years ago, but i remember doing equations similar to these. I took a calculus based course called operations management that did very similar problems. The class was focused on the allocation of resources. I think differential calculus covers this; i may be wrong.

Posted by shadow_419 on Feb-21-2009 00:43:

quote:
Originally posted by skatemple
yes, but thats only for 2 equations, not 3

Doesn't matter since it's a system of equations they are all related. It doesn't matter which two equations you pick or which variable you eliminate first. Once you eliminate a variable through substitution solve for the next variable, substitute again, and solve for the last variable standing. You use this number to find the values of the other two variables. Can't believe I remember this crap, I graduated high school in 94 seems like a long time ago

Posted by winston on Feb-21-2009 00:50:

a smart man hires the mathematician.

Posted by Krypton on Feb-21-2009 07:36:

quote:
Originally posted by PatMcGroin
MATLAB!

edit: or a beautiful ti89 will do the same. rref is very useful but i hate that they make you waste your time in class doing it. its too time consuming. if you can setup the equations then thats all that really matters. any proper calculator or computer will do the calculations for you. its just a very slow process where you really gotta watch yourself in order not to fuck up.

what class is this for? linear algebra?

Yea, sucks that you don't know when you'r wrong until the very end..

It's Finite Mathematics & Applied Calculus, otherwise known as, math for business majors...

-------------------------

I turned out to be the only student who finished the entire homework. I guess I wasn't the only one having trouble...

Posted by Krypton on Apr-19-2009 22:58:

How many combinations are possible in a 5 card poker hand of two of a kind without can ace?

Posted by Meat187 on Apr-19-2009 23:04:

quote:
Originally posted by Krypton
How many combinations are possible in a 5 card poker hand of two of a kind without can ace?

What kind of university gives people like you a degree?!

Posted by XoxidE on Apr-19-2009 23:05:

Posted by Sushipunk on Apr-19-2009 23:05:

quote:
Originally posted by Meat187
What kind of university gives people like you a degree?!

Bovine University!

Posted by Krypton on Apr-19-2009 23:24:

quote:
Originally posted by Meat187
What kind of university gives people like you a degree?!

Posted by on Apr-19-2009 23:33:

maff iz 4 suckaz

only thing i count iz dat $$

Posted by Big Worm on Apr-19-2009 23:34:

quote:
Originally posted by all dat tranz
maff iz 4 suckaz

only thing i count iz dat $$

+1

Posted by yukii on Apr-19-2009 23:37:

prlly why i hate math to begin with too complicated-
ill just pay someone to do it for me

Posted by ziptnf on Apr-19-2009 23:59:

quote:
Originally posted by all dat tranz
maff iz 4 suckaz

only thing i count iz dat $$

"I aint graduate, I don't know fizzix
But I can tell you how to stack it till its 6 digitz"
~ Gorilla Zoe

Posted by Krypton on Apr-20-2009 00:00:

Come on, somebody has to know! Here's another similar one.

How many different poker hands are possible in a 5 card straight flush poker hand? (There are 52 cards in a deck)

Posted by netroM on Apr-20-2009 00:07:

quote:
Originally posted by Krypton
Come on, somebody has to know! Here's another similar one.

How many different poker hands are possible in a 5 card straight flush poker hand? (There are 52 cards in a deck)

A2345+23456+34567+45678+56789+678910+78910J+8910JQ+910JQK+10JQKA * 4?
aka 10 * 4 = 40

Posted by astroboy on Apr-20-2009 01:24:

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