Category Archives: Animation

Circle Limit III animation

Enjoy: And papers by the artist on how to do it available at: http://bulatov.org/math/1107/ Update 16th Nov 12: Comments and more links from PM2Ring: That image is an example of a tessellation of the hyperbolic plane, in the Poincaré disc … Continue reading

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Daily Download 9: Animation in Excel

The missing post from yesterday’s list was: Drawing in Excel – 2 , with download file: http://www.interactiveds.com.au/software/animate.zip Other animation related posts include: By Jingo Dancing Pendulums Yet more pendulums Rotating Hypercubes Animated Pythagoras

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Animated Pythagoras

Two animatations of a “wordless” proof of Pythaoras’ Theorem provided by SSSF regular PM 2Ring. This animation is a “wordless proof” of Pythagoras’ theorem. The basic design is an interlocking pattern of coloured squares overlaid with “shadow” squares. In most … Continue reading

Posted in Animation, Maths, Newton | Tagged , , , | 4 Comments

Dynamic Excel on the Cloud With Javascript!

I have previously linked to a spreadsheet stored on Skydrive, but I have been disappointed that the possibilities for using live spreadsheets are greatly limited by the lack of support for VBA.  It seems that Microsoft have now decided to provide … Continue reading

Posted in Animation, Charts, Computing - general, Excel, Javascript | Tagged , , , | 1 Comment

Rotating Hypercubes

The discussion of dancing pendulums in javascript at SSSF led onto Rotating Hypercubes, which resulted in this javascript animation by forum regular mollwollfumble: 4D Rotations (click to view in a new window, right click to download javascript file) See the SSSF thread for discussion on … Continue reading

Posted in Animation, Maths, Newton | Tagged , , , | 5 Comments

Yet more pendulums

Following Dynamically Defined Dancing Pendulums, another three versions of the dancing pendulum theme.  First a POV-RAY version by PM 2Ring, complete with reflections and shadows: POV-Ray Pendulums (click to open in a new window) and an interactive Javascript version: Javascript pendulums by PM2Ring (click … Continue reading

Posted in Animation, Excel, Newton, Ray Tracing | Tagged , , , , | 1 Comment

Dancing Pendulums

This animation was produced in response to a video of real pendulums performing similar tricks: Not having an animation program I thought I’d use the finite element program Strand7.  Modelling the pendulums was easy, just 15 beam elements with a … Continue reading

Posted in Animation, Excel, Finite Element Analysis, Newton | Tagged , , , | 3 Comments

New Excel Engineering Blog

I just found Excel Unusual, which has been going since September this year.  Here’s what the Author says: “Finding engineering work quite un-challenging lately I decided to start this blog in which to share cool ways of solving engineering problems or … Continue reading

Posted in Animation, Excel, Newton | Tagged , , , , | 13 Comments

By Jingo

Dick Kusleika at Daily-Dose-of-Excel recently posted a video of an animated bingo spreadsheet, using the Jing screen capture program. I had previously posted a still image of my Newton’s Cradle animation, which rather spoils the point, so here it is … Continue reading

Posted in Animation, Excel, Newton, VBA | 1 Comment

Newton’s Cradle

Previous animation post I have added a Newton’s Cradle animation to the animation file posted previously: Animation.zip The animation finds the correct period for the input string length and starting angle, and displays the movement of the balls in real … Continue reading

Posted in Animation, Drawing, Excel, Newton | Tagged , , , | 3 Comments