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# Advanced Maths

### #1

Posted 06 June 2006 - 07:03 PM

Alot more work than higher!

Weve currently done the product rule and the quotient rule!

Anyone needing any help ill try and do my best

### #2

Posted 06 June 2006 - 07:15 PM

and will, is that the product/quotient rule in matrices?

### #3

Posted 06 June 2006 - 07:31 PM

We're going to be doing 2 outcomes at the same time, so it's quite confusing because it's like one day with one teacher, one with the other...ah well...i'm sure it'll all turn out fine in the end

and will, is that the product/quotient rule in matrices?

nope, differentiation.

And we're doing 3 differnt units with 3 different teachers!

Very confusing lol

### #4

Posted 06 June 2006 - 07:42 PM

at the moment, one's starting with outcome 1 and the other is starting with outcome 5....they're planning on meeting in the middle, and the first one to finish their 2 outcomes gets to do the 3rd...hardly much of a prize, is it?

### #5

Posted 06 June 2006 - 07:49 PM

### #7

Posted 06 June 2006 - 09:30 PM

if i could do it again i would but id put in a lot more effort

learn everything as you do it

### #8

Posted 06 June 2006 - 09:32 PM

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### #9

Posted 06 June 2006 - 09:45 PM

If i am not here i am somewhere else

### #10

Posted 06 June 2006 - 10:08 PM

Even though I say that, I still prefer uni in general, lol.

### #11

Posted 06 June 2006 - 10:14 PM

(its a bit of a ramble i know)

If i am not here i am somewhere else

### #12

Posted 06 June 2006 - 10:15 PM

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### #13

Posted 06 June 2006 - 10:20 PM

whereas comp sci i want to know everything and understand everything in great detail. i think if anyone is unsure of where they want to go next they should use the test i jsut outlined there it works for me at least

If i am not here i am somewhere else

### #14

Posted 07 June 2006 - 09:33 AM

yeah i think it might have been just that. University or at least the one lecturer we had at the end was wanting to show us all these proofs of where all these equations and ideas came from. If you like maths then its interesting but i found all i wanted to do just pass the exam regradless of how much i actually understood.

Maybe it's because I'm a physicist or it's just my way, but I found it really hard in AH Maths to remember some aspects of the course if I couldn't remember them. Like solving those 2nd Order differential equations (You'll get to those...they're fun .

### #15

Posted 07 June 2006 - 11:48 AM

### #16

Posted 07 June 2006 - 02:14 PM

**non homogenous**?

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### #17

Posted 07 June 2006 - 05:42 PM

2nd order differential equations are quite easy really, theres a lot to them but theres nothing outstandingly difficult about them. Its more fun when you get to partial differential equations.

### #18

Posted 07 June 2006 - 05:55 PM

2nd order differnetial (non hemodunous) equations are well gd, all yi nd to do is remember the particular integral and then complementary function, stick them together and woosh you have 10 marks in the bag, adv maths is rly good fun, best course ever

Yeah they're easy to do (if you know what you're doing) but I never understood WHY you were doing what you were doing. You changed the left hand side to a form that was to work with and so because of that you had to alter the right hand side but why did you have to ADD this newly worked out side onto the left hand side. Whatever. It was just an example about how I personally had to see a proof to fully understand something

### #19

Posted 07 June 2006 - 07:08 PM

Suppose L(x)=f(x) is a representation of y(x), which is a differential equation, then it is linear if:

L(y1(x) + y2(x)) = (strictly equal to) L(y1(x)) + L(y2(x)).

A second order equation has the form a(x)y'' +b(x)y' +c(x)y=f(x).

The consequence of this is that if y1 and y2 are solutions of a linear differential equation then so is Ay1 +By2 where A and B are constants. We use this property to combine particular solutions into a general solution.

### #20

Posted 07 June 2006 - 07:11 PM

I wouldnt quite say anything you do in maths is fun, but it can be interesting at some points.

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