#1
I really need to best of you atm, I'm revising for my resits at university but I'm really struggling with coupled first order differential equations. I've searched the internet for help but I cannot find any decent resources. Could anybody please advise me towards a method?

Cheers
#2
Whatever you do, do NOT divide by 0.
WILDCARD, BITCHES!!

Call me Patrick! My username sucks anyway
#4
if you wrote everything you'd like to know, it would be a lot more easier...
#5
Quote by potcorn56
diff eqs are easy just put the y with the dy and the x with the dx and integrate both sides try this guy
http://www.youtube.com/watch?v=Et4Y41ZNyao


I'm afraid it's a little more complicated than that, but YouTube is something so obvious, cannot believe I didn't think of it.

I'm looking to solve equations in the form

y' + 3y + z = e^t
z' + 4z = e^t
#6
Quote by matthewhaworth
I'm afraid it's a little more complicated than that, but YouTube is something so obvious, cannot believe I didn't think of it.

I'm looking to solve equations in the form

y' + 3y + z = e^t
z' + 4z = e^t

yea then youtube wont help
Quote by nincompoop
potcorn56, you are a god.
#10
Quote by matthewhaworth
That link is actually quite useful, cheers.

No problem. I used this site for most of my uni math classes. its a real help. The guy explains things very well
I traded in my Real Books for Robbins and Cotran Pathology Textbooks
#11
get a 10-20 year old book on Diff EQ for a couple bucks. The older books tend to be better (no color, no pictures, just problems with well explained examples) and go to town.
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