The first step in solving a cubic equation is to apply a change of variables to reduce an equation of…
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Building high frequencies out of low frequencies
If you have sines and cosines of some fundamental frequency, and you’re able to take products and sums, then you…
Continue ReadingSolving Van der Pol equation with ivp_solve
Van der Pol’s differential equation is The equation describes a system with nonlinear damping, the degree of nonlinearity given by…
Continue ReadingDifferential Equations — Basics
Because you’ll likely never run into a completely foreign DFQ. Most DFQs have already been solved, therefore it’s highly likely…
Continue ReadingElementary solutions to differential equations
Differential equations rarely have closed-form solutions. Some do, and these are emphasized in textbooks. For this post we want to…
Continue ReadingInference using EM algorithm
It turns out, yes. Estimating model parameters does get a little tricky if latent features (or missing data) are involved.…
Continue ReadingSupport Vector Machines Explained
SVMs find a line (or hyperplane in dimensions greater than 2) in between different classes of data such that the…
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