The Student Room Group

Edexcel A2 D2 Mathematics June 2016 - Official Thread

Scroll to see replies

good luck everyone
Original post by DORI
thats what i thought but apparently its not like that......
he would rather play 4 than play 2


I meant why would he play 2 when he can play 4. If you are looking from the defensive players prespective, take the negative of all values.
Reply 202
1650 5200.........??
Can someone please do me a favour and tell me the exact thing they got for the last dynammic programming question
Original post by Sallekmo
Can someone please do me a favour and tell me the exact thing they got for the last dynammic programming question


5225 i think?
Original post by YZ31618
5225 i think?


I got 1700 for part a and 5550 for part b
i got 1700 and last part 5550. Not sure if correct tho
i got 1700 and 5550 for dynamic programming.
Made a mistake somewhere in my tables and got 2000 for last q. Got the programming part right tho. Wonder how harsh the markscheme will be. Maybe 2 accuracy mark, and then 1 accuracy mark in the next part.


Posted from TSR Mobile
Original post by domgreen69
i got 1700 and 5550 for dynamic programming.


I dont want the answer i want the full working out lol
- Simplex not optimal because you had -5s?
- Hungarian 248
- Flow one you got a flow Max flow of 62 and proved it with min cut, max flow theorem?
- Gametheory 0 does not equal -4 therefore it stable?
- North west corner method dummy with value 14 so they both are 99?
Original post by TrueDAN
- Simplex not optimal because you had -5s?
- Hungarian 248
- Flow one you got a flow Max flow of 62 and proved it with min cut, max flow theorem?
- Gametheory 0 does not equal -4 therefore it stable?
- North west corner method dummy with value 14 so they both are 99?


Got the same thing. Internet high five!
got 1700
Original post by TrueDAN
- Simplex not optimal because you had -5s?
- Hungarian 248
- Flow one you got a flow Max flow of 62 and proved it with min cut, max flow theorem?
- Gametheory 0 does not equal -4 therefore it stable?
- North west corner method dummy with value 14 so they both are 99?


Can you remember how you managed to increase the flow by three units? I couldnt find a route to increase any more than 2...
I think i had a brain fart on the augmented flow diagram. Couldn't find a route from S to T that allowed an extra 3 units to flow??
Original post by TrueDAN
- Simplex not optimal because you had -5s?
- Hungarian 248
- Flow one you got a flow Max flow of 62 and proved it with min cut, max flow theorem?
- Gametheory 0 does not equal -4 therefore it stable?
- North west corner method dummy with value 14 so they both are 99?


therefore it not stable
Original post by Stormin'
I think i had a brain fart on the augmented flow diagram. Couldn't find a route from S to T that allowed an extra 3 units to flow??


same so i just went from s to b
Original post by TrueDAN
- Simplex not optimal because you had -5s?
- Hungarian 248
- Flow one you got a flow Max flow of 62 and proved it with min cut, max flow theorem?
- Gametheory 0 does not equal -4 therefore it stable?
- North west corner method dummy with value 14 so they both are 99?


I agree :smile:
Reply 218
**** I didnt see the last bit where you calculate 5550 :s-smilie: How many marks was it?
Original post by Bekah22
Can you remember how you managed to increase the flow by three units? I couldnt find a route to increase any more than 2...


You needed to use backflow which would reduce the arc by 3 that seemed like it could only be increased by 2.

Quick Reply

Latest

Trending

Trending