Hello and welcome to the 33rd edition of the Carnival of Mathematics . This carnival very nearly didn’t happen since I didn’t realise that no one had offered to host it until a couple of days ago! I toyed with the idea of letting this edition of the carnival lapse and write something in a fortnights time but then that would break the carnivals unbroken run of 33 publications (well..apart from that one time which we don’t talk about) and I simply couldn’t have that. So, with only two days to go I bent the standard carnival rules a little and started leaning on people I know in order to get submissions. After that I started leaning on people I didn’t know and I am glad to say that everyone came through and I have a nice selection of articles for you all.
Before I get onto the articles themselves, tradition dictates that I attempt to fascinate you with some interesting facts concerning the number 33. Well how about this one:
It is known tha...
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Demonstrations for Pi DayFrom: walkingrandomly.com
Post Date: 2008-03-07 03:57:04
Next Friday will be March 14th which is celebrated by some as Pi Day since the date is 3/14 in American date format and the first three digits of Pi are 3.14 (as if I have to tell you!). One or two people have been looking for inspiration as to what to do for Pi Day in schools and I thought that it would be fun to write a Wolfram Demonstration especially for Pi Day, after all, my Valentine’s day demonstrations turned out to be quite popular .
So the question that rem...
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What’s new in Mathematica 6.0.2?From: walkingrandomly.com
Post Date: 2008-03-12 09:07:34
I have been playing with the new release of Mathematica for a little while now and thought that I would share what I have found. Now, as indicated by the small increment in version number, this is a minor release and so we should not be expecting anything earth shattering. The sort of things that one expects in a minor release like this include things such as bug-fixes, small performance enhancements, documentation upgrades etc. So…let’s see what he have got.
First on the list...
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Mathematica 6.0.2 installation on UbuntuFrom: walkingrandomly.com
Post Date: 2008-03-10 07:13:11
Mathematica 6.0.2 was released back on February 25th but I have only just managed to find the time to install it. I tried to install it on a brand new Dell 755 with a very fresh install of Ubuntu but near the end of the install procedure I came across the following error
“The installer was unable to check for a valid password file. Your Mathematica installation may be incomplete or corrupted.”
I had not been given the opportunity to supply it with any licensing information s...
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My Recipie for a Mathematica Easter EggFrom: walkingrandomly.com
Post Date: 2008-03-14 11:02:25
1.Take one dare from Kathryn Cramer and obtain a picture from her website.
2. Steal ideas from this demonstration by Jeff Bryant.
3. Type the following incantations into Mathematica
SetDirectory[”/home/mike/Desktop/random”];
image = Import[”kramer.jpg”];
xpos[x_] := Floor[x/N[2/374.] + 377/2.]
ypos[x_] := Floor[x/N[2/499.] + 502/2.]
imcol[x_, y_] := image[[1]][[1]][[xpos[x]]][[ypos[y]]]/256.;
a = 1; b = 0.9; c = 1;
Plot3D[{Sqrt[ c^2*(1 - (x^2/a^...
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