Tag Archives: mathematics

This gallery contains 3 photos.

Discrete differential geometry Check out page 40 of the source PDF (calcula ex geometrica) — they talk about geometrical computation. Instead of approximating analog with digital doing digital arithmetic smoothing the result to fake an analog again why not OOP-define … Continue reading

Gallery | Tagged , , , , , , , , , , , , | Leave a comment

In philosophical debates about absolute truth, people cite “the truths of pure mathematics” as beyond reproach—eternal and universal things discovered/invented by us fallible mortals. But the more deeply I look into these issues myself, the more I see evidence that … Continue reading

Video | Posted on by | Tagged , , , , , , , , , , , , , , , , , | Leave a comment

What is mathematics? It’s neither physical nor mental, it’s social. It’s part of culture, it’s part of history. It’s like law, like religion, like money, like all those other things which are very real, but only as part of collective … Continue reading

Quote | Posted on by | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

Help! I’m struggling with basic combinatorics!

I normally discard all homework questions (I get a lot). But georgiatehc is a cool kid and has been a loyal tumblr follower for quite a long time. So I wrote him a long answer summarising the spiel I used … Continue reading

Posted in Uncategorized | Tagged , , , , , , , , , , , , | Leave a comment

This gallery contains 5 photos.

derivatives of Gaussian PDF’s

Gallery | Tagged , , , , , , , | Leave a comment

Why bicontinuity is the right condition for topological equivalence (homeomorphism): if continuity of the inverse isn’t required, then a circle could be equivalent to a line (.99999 and 0 would be neighbours) — Minute 8 or so. Geometric construction (no … Continue reading

Video | Posted on by | Tagged , , , , , , , , , , , , , | Leave a comment

One way to think about quantum operators is as Questions that are asked of a quantum system. Identity operator = “Who are you?” Energy operator = “How much do you weigh?” “What is your spin along the z axis?” and … Continue reading

Posted in Uncategorized | Tagged , , , , , , , , | Leave a comment