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| | www.jeremykun.com
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| | Last time we defined and gave some examples of rings. Recapping, a ring is a special kind of group with an additional multiplication operation that "plays nicely" with addition. The important thing to remember is that a ring is intended to remind us arithmetic with integers (though not too much: multiplication in a ring need not be commutative). We proved some basic properties, like zero being unique and negation being well-behaved.
| | 0fps.net
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| | Last time, we showed how one can use symmetric tensors to conveniently represent homogeneous polynomials and Taylor series. Today, I am going to talk about how to actually implement a generic homogeneous polynomial/symmetric tensor class in C++. The goal of this implementation (for the moment) is not efficiency, but rather generality and correctness. If there...
| | www.johndcook.com
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| | The Bitcoin key mechanism is based on elliptic curve cryptography over a finite field. This post gives a brief overview.
| | missunderstandingeducation.school.blog
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| Following on from my Seneca short talk this morning I have expanded on some of the key areas I touched upon and included a series of resources which may support your teaching to promote self-regulation and independence, particularly in the science classroom, but applicable to each subject discipline when appropriately contextualised. Why do we want...