Viewing profile — rcollyer

It's a set of rewrite rules with infinite outlook, i.e. a term will continue to be evaluated (rewritten) until it no longer changes. There are some limits to prevent recursion (409…

The kernel (WolframEngine) was built with c, and some parts like the image processing functions are built using c++. The front end (notebook interface) is c++ and some objective-c.…

Since there's only two states, it is definitely "Ising".

The constitution is remarkably vague about all manner of things. So, the argument that the "expansion of the government beyond what the Constitution allows" is really difficult to …

You're ignoring the 9th amendment: "The enumeration in the Constitution, of certain rights, shall not be construed to deny or disparage others retained by the people." Essentially,…

They do breed with each other: a-males mate with b-females, and vice versa, where a/b is the new sex gene.

Another method for checking your understanding is to work through the worked out problems in the book and any proofs it may have, too. (Most of the value in a proof is in the techn…

My eldest in some ways skipped the "why" stage. "How" was a much more important question to him. Although, he did ask his mother once why the sun was on fire, but she passed him of…

Only the helium nucleus is formed as part of the fusion reaction, so it starts off being positively charged, and not later stripped of its electrons. That, in principle, creates a …

I interviewed a guy who's masters work was in the field I did my doctoral work in. I think I'm the only one in the company who knows anything about the particular topic, and consid…

As a QA dev, myself, I run across this occasionally. For a recent bug, the dev couldn't reproduce it, yet I could consistently. The difference: the width the window we were using; …

The personal exemption is incorrect. It doesn't add the children into the total ( https://www.irs.gov/pub/irs-pdf/f1040.pdf ), but you can enter it by hand. Also, Student Loan Inte…