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- Using LINEST for non-linear curve fitting
- Cubic Splines
- Using LinEst() on data with gaps
- Continuous Beams With Spring Supports by Macaulay’s Method
- Intersections, interpolations, and rotations
- Converting from global to local coordinates (and vice versa)
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Tag Archives: Penrose
Pythagoras, Penrose and Pov-Ray
Images based on Pythagorean tiling, Penrose tiling, and projections onto the Riemann Sphere by PM2ring, a regular contributor to the ABC Self-Service Science Forum (words by the artist): Various renderings of a Pythagorean tiling. Mostly using the 3,4,5 triangle. This … Continue reading
Elegant Proofs – 1
Roger Penrose in his book “The Road to Reality” gives a remarkably simple proof of Pythagoras’ Theorem: Drawing a perpendicular to the hypotenuse from the right angle (line CD) will divide any right angled triangle into two similar triangles, both … Continue reading
Posted in Maths, Newton
Tagged Penrose, Pythagoras, Road to Reality, similar triangles
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