ColeopteranSolving any system of linear equationsA linear system of equations is anything that can be written in this form (each aᵢⱼ is a number that doesn’t depend on any xᵢ or yⱼ):5h ago5h ago
ColeopteranBoolean logic and set theory overviewA proposition is any statement that is either true (T) or false (F). Any function from some propositions (p, q, r) to other propositions…4d ago4d ago
ColeopteranUnpacking electromagnetic potentialUsing theorems from vector calculus, E and B can be written in terms of two new fields, the electric potential V and the magnetic potential…Aug 9Aug 9
ColeopteranCombinatorics and probability basicsFundamental counting principle: if there are n ways to choose an object in set A, and m independent ways to choose an object in set B…Aug 9Aug 9
ColeopteranUnpacking electromagnetic fieldsA changing magnetic field creates an electric field, and a changing electric field creates a magnetic field. As a result, the fields are…Jul 20Jul 20
ColeopteranUnpacking electric chargeAll particles have an inherent quantity called electric charge (which can be positive, negative, or zero) that affects how it interacts…Jul 10Jul 10
ColeopteranUnpacking angular momentumThe angular momentum of an object is L = r × p, where r is the distance from the object to the origin of the coordinate system you are…Jul 1Jul 1
ColeopteranUnpacking special relativitySuppose scientist A claims their velocity is 0 and scientist B’s velocity is v. Scientist B then claims their velocity is 0 and scientist…Jun 18Jun 18
ColeopteranUnpacking energyWhen a force is applied to an object in the same direction as its velocity, “work” (W) is done on the object. (If the force is in the…May 231May 231
