March 2018

RC Filter Frequency Pole Calculator

There are numerous RC filter pole calculators online and I happily used them for a quick calculations while DIYing. The problem is that these online calculators calculate frequency pole where gain decreases by 3dB, which is  fine, but what if you need to know the frequency of some (first-order) filter while given only the specifications about […]

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DIY Constrained Path Optimization

The Problem: Path optimization The exact origin of this problem is somewhat blurry but since I already have the solution I won’t put much effort into clarifying it. We have a particle that moves along a spatial curve, starting from point r1 with a defined velocity of v1 and ending its path at r2 with

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