John D. Cook

2,842 reputation

916

I'm a very applied mathematician and software developer.

I blog at The Endeavour and I'm @JohnDCook on Twitter.

Other contact info.

	2,842 reputation	bio	website	johndcook.com	visits	member for	2 years, 10 months
916 badges		location	Houston, TX		seen	2 days ago

152 Actions

Mar 7	revised	What can be gleaned from looking at a domain-colored graph of a complex function? added 582 characters in body
Mar 7	answered	What can be gleaned from looking at a domain-colored graph of a complex function?
Mar 6	answered	Elementary books by good mathematicians
Feb 26	awarded	Enlightened
Feb 26	awarded	Nice Answer
Feb 16	awarded	Necromancer
Jan 29	awarded	Nice Answer
Dec 30	answered	Where do Cantor sets naturally occur?
Nov 6	answered	An example for a calculation where imaginary numbers are used but don't occur in the question or the solution.
Oct 29	revised	Texbook with proof that product of two Gaussian functions is also Gaussian Added detail
Sep 18	answered	Theorems with an extraordinary exception or a small number of sporadic exceptions
Sep 7	answered	What does it mean when a statistician says I’m 90% confident that the mean of the population is between 1 and 9?
Sep 4	awarded	Good Answer
Jul 27	awarded	Yearling
Apr 28	answered	Is it meaningful to take the derivative of a function a non-integer number of times?
Jan 23	answered	Mathematical toys?
Jan 15	answered	Classical texts that should not be missing from any shelf
Nov 12	awarded	Good Answer
Oct 23	awarded	Nice Answer
Sep 3	awarded	Nice Answer