Blogs about: Sieve
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Notes on Lookup - Another Sieve for the Collatz Problem
This post is a follow-up on an earlier post in which I introduced the Collatz Problem and designed a sieve that systematically builds solutions and is very efficient in the work it does. In this post… more →
Learning and Unlearning Math
The Sieve of Satan
daverill wrote 4 days ago: “And the Lord said, Simon, Simon, behold, Satan hath desired to have you, that he may sift you … more →
A strained relationship...
My Hands
Ray Brown wrote 1 month ago: My hands no longer hold the grains of sand, nor the rays of sunlight which now slip between the crev … more →
Prime Oracle
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sumidiot wrote 2 months ago: I sat down to work on problem 27, and realized it might be handy to have a class that’ll tell … more →
Evolving an effective prime sieve
pythonisms wrote 3 months ago: Here’s a naive yet short sieve of eratosthenes in python. This one removes the composites fro … more →
Want a wicked wrist shot?
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saukhockey wrote 6 months ago: While the slap shot gets fans all fired up, the wrist shot is your most accurate choice when you wan … more →
Compost: Natural Fertilizer
pari523 wrote 6 months ago: What you need: Composing materials (plant residues, animal manure) Compost fungus activator, CFA (Tr … more →
Do It Yourself Tuesdays: Make Your Own Yogurt!
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Carly - Grinnell wrote 6 months ago: [Ever see something you want but don’t have the money to buy? Ever get sick of studying/watching TV … more →
Bleh College.
tjtrewin wrote 7 months ago: Well as predicted. “How many pages have you done on your FMP Tiff?” - “27″ … more →
Prime Numbers
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fR0D wrote 8 months ago: Suppose that you have to find all prime numbers till say some value N or let’s say sum of all … more →
Topo Map Table
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ghirbaal wrote 9 months ago: This table came to me when looking at a contour line map. I have tried to accomodate place settings … more →
Notes on Lookup - Another Sieve for the Collatz Problem
Bert Speelpenning wrote 9 months ago: This post is a follow-up on an earlier post in which I introduced the Collatz Problem and designed a … more →
Notes on Lookup - Histograms as Sieves
Bert Speelpenning wrote 9 months ago: I think I overlooked one interesting example of something like a sieve being used in the typical K-1 … more →
Notes on Lookup - A Sieve for the Collatz Problem
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Bert Speelpenning wrote 9 months ago: This post is meant as a follow-up on this one on look-up and sieves, not on my more recent one ponde … more →
Notes on Lookup - Eratosthenes and Other Sieves
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Bert Speelpenning wrote 9 months ago: The best known sieve in mathematics is the sieve of Eratosthenes, used for finding a collection of p … more →
Notes on Divisibility - Eratosthenes and Euclid
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Bert Speelpenning wrote 10 months ago: You will want to read the Notes on Divisibility post first. In the figure below, I’ve shown th … more →
a pythonic prime sieve
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pythonisms wrote 1 year ago: this is a lovely succinct piece of code for implementing a prime sieve in python. you can just type … more →
538
range wrote 1 year ago: That’s the number of posts waiting for me in my Google Reader. I’m like an information s … more →
De Profundis
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Ursula wrote 1 year ago: Montaigne said of his friend Boetie who died four years after they had met: “If you press me t … more →
