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November 01, 2025, 10:11:12 am
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Author Topic: Am I the only one that's having nightmares about matrices?  (Read 3202 times)  Share 

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onerealsmartass

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Re: Am I the only one that's having nightmares about matrices?
« Reply #15 on: October 31, 2010, 11:40:23 am »
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trig questions arent that bad. you just got to think through them logically even though it may take you 10 minutes :P
if i have trouble i usually just read through the quetion identify what they want and just got through all the different ways to getting the answer..
just chuck a lot of the more trickier trig and geo questions into your summ book
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menashiiii

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Re: Am I the only one that's having nightmares about matrices?
« Reply #16 on: October 31, 2010, 12:45:55 pm »
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Quote from: VCE123456789 on October 30, 2010, 11:39:43 pm
fml i neglected networks at school to do matrices because it was easy. VCAA better not make it hard.
ooohhhhh!
BAITED!
hahaa
yeh rumour has it its going to be a lot harder than past years..
my teacher keeps telling my mate he shouldnt do it as it'll be hard as
compared to previous years
was contemplating it, but after topping my class in networks sac (98%)
decided ill stick with it, as its a lot simpler and straight forward.
good luck dudes!
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TyErd

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Re: Am I the only one that's having nightmares about matrices?
« Reply #17 on: October 31, 2010, 12:51:01 pm »
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I don't think it can be that hard, especially if you do methods.
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naved_s9994

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Re: Am I the only one that's having nightmares about matrices?
« Reply #18 on: October 31, 2010, 12:54:28 pm »
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Quote from: TyErd on October 31, 2010, 12:51:01 pm
I don't think it can be that hard, especially if you do methods.

Yeah, I agree.
AND even in Methods they are not too hard either.

So I dont know.


Because I think in 2006 or 2007 the Graphs section had an above 50% for each question. The following year, I checked
and it wasn't crazy hard or anything?

So yeah...
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stonecold

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Re: Am I the only one that's having nightmares about matrices?
« Reply #19 on: October 31, 2010, 12:56:33 pm »
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matrices is piss easy.  the prac companies make it too hard and stupid.

just make sure you can work backwards with transitional matrices.  that is as hard as it may get.
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TyErd

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Re: Am I the only one that's having nightmares about matrices?
« Reply #20 on: October 31, 2010, 02:02:24 pm »
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Quote from: stonecold on October 31, 2010, 12:56:33 pm
matrices is piss easy.  the prac companies make it too hard and stupid.

just make sure you can work backwards with transitional matrices.  that is as hard as it may get.

can you maybe give us an example where you have to work backwards?
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onerealsmartass

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Re: Am I the only one that's having nightmares about matrices?
« Reply #21 on: October 31, 2010, 02:04:15 pm »
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dude do vcaa 08 matrices MC 9!
i just did 08 and i got 38/40, a few tricky questions that made you think real hard...
graphs Q9 was also bullshit.. lol
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Blakhitman

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Re: Am I the only one that's having nightmares about matrices?
« Reply #22 on: October 31, 2010, 02:08:52 pm »
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Lost 3 marks in Neap 2007 exam 2.

ON TRIG...I hate that module lol, only module that screws me over.

Anyway the matrices in Neap 07 was actually the most enjoyable! I loved the eggs question haha.
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_avO

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Re: Am I the only one that's having nightmares about matrices?
« Reply #23 on: October 31, 2010, 02:16:03 pm »
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Quote from: TyErd on October 31, 2010, 02:02:24 pm
Quote from: stonecold on October 31, 2010, 12:56:33 pm
matrices is piss easy.  the prac companies make it too hard and stupid.

just make sure you can work backwards with transitional matrices.  that is as hard as it may get.

can you maybe give us an example where you have to work backwards?

I'm also interested to know this?
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stonecold

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Re: Am I the only one that's having nightmares about matrices?
« Reply #24 on: October 31, 2010, 02:19:58 pm »
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Okay, so the formula for transition matrices is Sn+1 = T x Sn

Therefore, Sn = T-1 x Sn+1

Make sure you are familiar with this method.  In some questions, it will yield dumb and impossible answers, such as negatives, but there are other questions where it can work, so be familiar with the method and how to apply it.
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onerealsmartass

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Re: Am I the only one that's having nightmares about matrices?
« Reply #25 on: October 31, 2010, 02:24:37 pm »
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o.O ive seen the first formula before, but not the second.
could you explain in what kind of situations it would be used.
thanks dude
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TyErd

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Re: Am I the only one that's having nightmares about matrices?
« Reply #26 on: October 31, 2010, 02:27:35 pm »
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Quote from: onerealsmartass on October 31, 2010, 02:04:15 pm
dude do vcaa 08 matrices MC 9!
i just did 08 and i got 38/40, a few tricky questions that made you think real hard...
graphs Q9 was also bullshit.. lol

Multiple choice question 9 I easily did by using trial and error.
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Streaker

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Re: Am I the only one that's having nightmares about matrices?
« Reply #27 on: October 31, 2010, 02:50:50 pm »
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Quote from: stonecold on October 31, 2010, 02:19:58 pm
Okay, so the formula for transition matrices is Sn+1 = T x Sn

Therefore, Sn = T-1 x Sn+1

Make sure you are familiar with this method.  In some questions, it will yield dumb and impossible answers, such as negatives, but there are other questions where it can work, so be familiar with the method and how to apply it.
Can that formula be applied to the last question in 2008 exam 1? Or does it need to be solved algebraically like they did?
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