How Can I Solve This Complex Math Problem?

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(Moderator's note: thread moved from "General Math")

I really can't do this question . Can someone please help me?
Thank you
Maria
http://img528.imageshack.us/img528/9633/pdeq3.jpg
 
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This seems like a "textbook-style" problem, and should probably therefore be in the homework section, even if it is not proper homework (at least this is what the moderators have said before).

Do you have a description of finite-difference methods in your textbook? It should explain how to define the discretized derivatives.

Torquil
 
Well yes i have that:
http://img38.imageshack.us/img38/1249/pdeqq.jpg

But what about the magnitude of the errors and the excel part question\\/
 
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Thread 'Use greedy vertex coloring algorithm to prove the upper bound of χ'

Thread 'Use greedy vertex coloring algorithm to prove the upper bound of χ'

Hi! I am struggling with the exercise I mentioned under "Homework statement". The exercise is about a specific "greedy vertex coloring algorithm". One definition (which matches what my book uses) can be found here: https://people.cs.uchicago.edu/~laci/HANDOUTS/greedycoloring.pdf Here is also a screenshot of the relevant parts of the linked PDF, i.e. the def. of the algorithm: Sadly I don't have much to show as far as a solution attempt goes, as I am stuck on how to proceed. I thought...
View full post »

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