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# Jan 10 OCR MEI Numerical Methods. watch

1. Don't know if any took this exam. I did. Thought it was pretty good.

Anybody else?
2. Yeah I had it aswell. Dont you mean January the 15th lol

All was goood except when I got to the last question, which wanted you to draw the graph x = 3 sinx. Dat killed me
3. (Original post by Straightpath)
Yeah I had it aswell. Dont you mean January the 15th lol

All was goood except when I got to the last question, which wanted you to draw the graph x = 3 sinx. Dat killed me

Aye. My graph showing it diverge didn't really work that well. It did diverge but the scale was so messed up.

Also, please tell me I didn't miss anything out like last time. Was there any questions on newton-raphson/secant/false position?

Glad somebody else did it. Know anybody else who did it?
4. I did it and thought it was a very nice paper apart from our teacher never touched on cobweb diagrams so couldnt do that bit and now know i made a few calculator errors, hopefully only loose a few for them.
5. (Original post by Tallon)
Aye. My graph showing it diverge didn't really work that well. It did diverge but the scale was so messed up.

Also, please tell me I didn't miss anything out like last time. Was there any questions on newton-raphson/secant/false position?

Glad somebody else did it. Know anybody else who did it?
Omdz I only found out that to draw x = 3 sinx you just draw y = x , and y = 3 sin x! Wow I'm a real loser

Nahh there wasn't any on them, I got the paper with me.

For question 4ii, when it asked to state 'two important results in numerical methods,' after you prove (k + 1)^2 + (k - 1)^2 - 2k^2 = 2,
what did you put for that?
6. (Original post by Straightpath)
Omdz I only found out that to draw x = 3 sinx you just draw y = x , and y = 3 sin x! Wow I'm a real loser

Nahh there wasn't any on them, I got the paper with me.

For question 4ii, when it asked to state 'two important results in numerical methods,' after you prove (k + 1)^2 + (k - 1)^2 - 2k^2 = 2,
what did you put for that?

I think I put about rounding errors and subtracting nearly equal numbers.

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