Archive for the ‘Uncategorized’ Category
Thursday, May 27th, 2010
[ I received this email yesterday about a contest put on by the Museum of Mathematics. Entering is easy. Deadline is June 1st, 2010 so hurry. ]
Sol,
Hello. The Museum of Mathematics – America’s only museum dedicated to the love of math – has an innovative "Math Is Fun" Twitter ...
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Thursday, May 20th, 2010
Here are a few items that don't each warrant its own post.
I'll be hosting the next Carnival of Mathematics (#66) on June 4th. If you're new to Blog Carnivals you can read about them here and here. The current Carnival of Mathematics is hosted at Maxwell's Demon. You can submit ...
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Thursday, April 15th, 2010
[ Editor's note: Rick Regan took me up on my offer to promote web sites I like. Rick has a nice blog about binary numbers. I've enjoyed thinking about binary numbers in ways I hadn't considered before. I highly recommend Rick's blog. Here is a guest article from Rick about ...
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Friday, March 26th, 2010
[ Editor's note: Jim, of the Math Intervention Blog took me up on my offer to promote sites I feel good about. Here is Jim's intro to his blog. ]
Thanks Sol for helping all of us spread the word about our contributions to math teaching and learning! Our ...
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Tuesday, March 16th, 2010
If you have a Math-related site, especially one that is non-commercial or mostly non-commercial, and you write me a guest article I'll likely publish it here. If you want to plug a great Math-related cause, write it up and submit it as well. If you have a book (or product) ...
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Thursday, January 7th, 2010
I received this email from Intel yesterday and thought many of you would be interested:
Today, as part of President Obama’s “Educate to Innovate” Campaign, Intel joined with the President to honor America’s best math and science teachers and committed $200 million to help improve math and science achievement in the ...
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Wednesday, September 9th, 2009
Today is 9/9/09 and here, in New Mexico, it's almost 9:09pm. In honor of 9/9/09 09:09 I want to bring to your attention an article from today's Wolfram Blog. It has 9 formulas with with lots of 9's in their evaluation. And, it shows the Mathematica formulas for them and ...
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Tuesday, September 1st, 2009
I'm going to take a break from MMM puzzles for some time. I do owe a prize for MMM #38 and I'll give one out shortly. I also will go through the MMM #37 solutions to see if there are other prizes to give out there.
What I'll do for now ...
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Friday, August 14th, 2009
I'm needing to take a couple of weeks of hiatus from the blog. I shall return!
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Monday, August 10th, 2009
Alan provided a very different solution from the others and provided a Matlab program for his solution:
I wrote a solution in MATLAB - I think its only uses standard mathematical functions, but I'll clarify if needed.
inputs/outputs
(x,y): as defined in your post
z: integer value at coordinate (x,y)
intermediate variables:
r0: which square 'ring' ...
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