Search found 6 matches

by itsatumbleweed
Tue Nov 18, 2008 10:17 pm UTC
Forum: Coding
Topic: Problem with initialization in Java....
Replies: 3
Views: 786

Re: Problem with initialization in Java....

Thank you! The problem *appears* to be fixed for now. It's actually been a recurring problem in my Java labs, but we never do any honest to goodness coding in the class, and the TAs are not at all helpful. This makes my life much easier. For future reference, are there any resources that address 'co...
by itsatumbleweed
Tue Nov 18, 2008 10:07 pm UTC
Forum: Coding
Topic: Problem with initialization in Java....
Replies: 3
Views: 786

Problem with initialization in Java....

I can't find a specific reference on the internet. Say I wanted to have a matrix in a class, but I don't know how large I want it to be. However, once I instantiate an object I want to be able to set the size of the matrix and store the data. So at the top of the class, I would have the data structu...
by itsatumbleweed
Sun Dec 02, 2007 11:53 pm UTC
Forum: Mathematics
Topic: William Lowell Putnam Competition
Replies: 73
Views: 9098

Re: William Lowell Putnam Competition

I wrote it vertically, as the binomial coefficient. I never even stopped to *think* that it may not be considered a closed form solution, in that it's literally defined as several factorials. I could have easily expanded it out, and would have if I'd thought it would cause a problem. I can't imagin...
by itsatumbleweed
Sun Dec 02, 2007 11:20 pm UTC
Forum: Mathematics
Topic: William Lowell Putnam Competition
Replies: 73
Views: 9098

Re: William Lowell Putnam Competition

I got A3 correct, but that's it. I'm hoping the Putnam people consider 'choose' notation closed form. I should have expanded it out in that it was fairly simple but time was running out and I didn't want to make a stupid arithmetic error. (3k choose k) is just a fancy way of writing a few factorial...
by itsatumbleweed
Sun Dec 02, 2007 11:48 am UTC
Forum: Mathematics
Topic: Amusing answers to tests
Replies: 393
Views: 61878

Re: Amusing answers to tests

A buddy of mine was working on a Number Theory test on which there was a problem that was set up around a 'real world' type situation. I'm a bit fuzzy on the details, but the question involved a census taker asking about the ages of people at a certain residence, with constraints on what the ages co...
by itsatumbleweed
Sun Dec 02, 2007 11:10 am UTC
Forum: Mathematics
Topic: William Lowell Putnam Competition
Replies: 73
Views: 9098

Re: William Lowell Putnam Competition

I got A3 correct, but that's it. I'm hoping the Putnam people consider 'choose' notation closed form. I should have expanded it out in that it was fairly simple but time was running out and I didn't want to make a stupid arithmetic error. (3k choose k) is just a fancy way of writing a few factorials...

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