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Getting to Cambridge: STEP by STEP! watch

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    (Original post by Imperion)


    What modules have you completed and are currently doing
    Ooh right

    AS: C1, C2, C3, M1, S1, FP1

    A2: (C4, D1, S2, M2, M3) - done, (FP2, FP3, M4, M5) - doing
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    (Original post by Student403)
    Ooh right

    AS: C1, C2, C3, M1, S1, FP1

    A2: (C4, D1, S2, M2, M3) - done, (FP2, FP3, M4, M5) - doing
    Daaaaaaaaaaaaaaaaaaaaaaaaaaaaamn nice man! Didn't like stats? You applying for maths btw?
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    (Original post by Imperion)
    Daaaaaaaaaaaaaaaaaaaaaaaaaaaaamn nice man! Didn't like stats? You applying for maths btw?
    Thanks Nah engineering
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    Update:

    Finished FP3 vectors. Went through all 20 of the mixed exercises. Got it all correct except for Q15 where my method was wonky. I don't think I'd have thought of using area to find length, that'll teach me to draw more diagrams in the future! I've noticed that I get confused between which form of lines/planes they want me to give. I made the 'mistake' of writing the vector form of a line/plane as (r-a) x p = a x p and r.n = d instead of r = a + ub or r = a + ub + sc.

    Did Ayman's vectors test, it was fairly straightforward. Got full marks on that, yay!

    Otherwise - putting the work on pause for a bit, going out for dinner. Probably read over matrices and try some questions out when I'm back.
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    (Original post by Zacken)
    Update:

    Finished FP3 vectors. Went through all 20 of the mixed exercises. Got it all correct except for Q15 where my method was wonky. I don't think I'd have thought of using area to find length, that'll teach me to draw more diagrams in the future! I've noticed that I get confused between which form of lines/planes they want me to give. I made the 'mistake' of writing the vector form of a line/plane as (r-a) x p = a x p and r.n = d instead of r = a + ub or r = a + ub + sc.

    Did Ayman's vectors test, it was fairly straightforward. Got full marks on that, yay!

    Otherwise - putting the work on pause for a bit, going out for dinner. Probably read over matrices and try some questions out when I'm back.
    genius.............Vectors in a day

    bon appetite
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    (Original post by Zacken)
    Update:

    Finished FP3 vectors. Went through all 20 of the mixed exercises. Got it all correct except for Q15 where my method was wonky. I don't think I'd have thought of using area to find length, that'll teach me to draw more diagrams in the future! I've noticed that I get confused between which form of lines/planes they want me to give. I made the 'mistake' of writing the vector form of a line/plane as (r-a) x p = a x p and r.n = d instead of r = a + ub or r = a + ub + sc.

    Did Ayman's vectors test, it was fairly straightforward. Got full marks on that, yay!

    Otherwise - putting the work on pause for a bit, going out for dinner. Probably read over matrices and try some questions out when I'm back.
    :woo:

    Told you it was quite nice!

    Matrices won't take much time, pretty nice and easy chapter!

    Have a nice dinner - date night?
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    (Original post by aymanzayedmannan)
    :woo:

    Told you it was quite nice!

    Matrices won't take much time, pretty nice and easy chapter!

    Have a nice dinner - date night?
    Thanks.

    Family.
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    (Original post by aymanzayedmannan)
    date night?
    laughable
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    Matrices time! Will update once I've covered a fair bit. :yep:
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    Update:

    Done more procrastinating than I should have, had lunch - covered 3\times 3 matrices, transpose and symmetric matrices, determinants of 3 \times 3 matrices as well as inverses of 3\times 3 matrices. I wasn't very impressed with the latter given the highly algorithmical way it was presented so I went off and learnt Jordan-Gauss which made intuitive sense and I could understand how using J-G led to the inverse. Unfortunately, I've been told that the usual algorithmical way to do is is asked for specifically in the exam, so I suppose I'll have to learn it now. It looks really tedious and messy.

    A lot of the results so far make sense if you treat matrices as elements of a group, so for example: (AB)^{-1} = B^{-1}A^{-1} is a given. Knowing how/when to post/pre-multiply is also natural if you think in terms of groups. Overall, fairly happy so far - just need to skim through a bit more and I should be done with the chapter in a bit.
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    Update:

    Covered linear transforms. Much of this chapter seems to be tedious calculation, I'm not enjoying it at all. I feel fairly confident with transforming point to points, lines to lines and planes to planes given non-singular transformation matrices. I'm still trying to come to intuitive grips with transforming planes to lines given singular matrix transforms. Finding the matrix version of an algebraic transform is okay as well, that one makes sense. Moving on to inverting linear transform now.
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    (Original post by Zacken)
    Update:

    Covered linear transforms. Much of this chapter seems to be tedious calculation, I'm not enjoying it at all. I feel fairly confident with transforming point to points, lines to lines and planes to planes given non-singular transformation matrices. I'm still trying to come to intuitive grips with transforming planes to lines given singular matrix transforms. Finding the matrix version of an algebraic transform is okay as well, that one makes sense. Moving on to inverting linear transform now.
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    (Original post by Student403)
    ...
    It'd be funnier if I didn't know that you already understand and know all of this FP3 shiz.
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    (Original post by Zacken)
    It'd be funnier if I didn't know that you already understand and know all of this FP3 shiz.
    I understand that it exists - and that's about it :laugh:
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    (Original post by Student403)
    I understand that it exists - and that's about it :laugh:
    That's enough for any mathematician.
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    (Original post by Zacken)
    That's enough for any mathematician.
    If only :emo:
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    (Original post by Student403)
    If only :emo:
    Shhhh, we're engineers, we just need to apply it...
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    (Original post by aymanzayedmannan)
    Shhhh, we're engineers, we just need to apply it...
    Oh, right! Yes!

    Leave the hard work of getting there to those mathmos :rolleyes:
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    (Original post by aymanzayedmannan)
    Shhhh, we're engineers, we just need to apply it...
    (Original post by Student403)
    Oh, right! Yes!

    Leave the hard work of getting there to those mathmos :rolleyes:
    Ganging up, are we? :rolleyes:
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    (Original post by Zacken)
    Ganging up, are we? :rolleyes:

    :innocent:

    Just please don't make us learn it from first principles!
 
 
 
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