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12 docs tagged with "mathematics"

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2D Coordinate Rotation

A 2D coordinate $(x1, y1)$ can be easily rotated by $\theta$ around another point $(xc, yc)$ to give the new rotated point $(x2, y2)$ with the equation:

Filter Tunings

Butterworth, Chebyshev, Bessel, elliptic, transfer functions, polynomials, equations, graphs and more information on analogue filter tunings.