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Archive for March, 2012

Möbius Transformations in a Tangle

We saw in a previous post a kind of transformation of complex values, a Möbius transformation. It turns out that we can decompose any Möbius transformation into a series of four separate transformations – a translation, an inversion, a dilation/rotation, and a final transformation. From a UX perspective, we saw that using input fields and a button to modify the transformation was not slick. Today we’re going to make things more slick.

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by
Frank Shearar
on
31/03/12

NAntScript, now with added functions

When we’re doing C# work, we’re fairly big fans of NAnt, as it’s a very good build system for .Net. However, it’s got a few small flaws, the main one of which is that you often end up repeating yourself a fair few times, and applying any sort of DRY thinking in it is quite hard.

Enter NAntScript. Originally from some folks elsewhere, but languishing and somewhat abandoned and in need of some work. The core idea being that you can write new tasks for NAnt using existing tasks (it is in fact also possible to write new NAnt tasks using C# or various other languages, but that’s a pretty messy way to work)
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by
Tom Parker
on
27/03/12

London Hacker News Meetup 22nd March 2012

Hacker news meetup 22nd February 2012
LShift will be sponsoring its third Hacker News monthly meetup event.
Come along for more talks from London’s finest hackers and tech entrepreneurs, and more talks and pizza.

The evening will start at 6.30pm, at Central Foundation Boys School, Cowper Street, in Shoreditch. We’ll be there
again sporting red t-shirts.

by
Administrator
on
15/03/12

D3 glasses and the Complex Plane

One of the best ways to develop intuition in mathematics is to look at pictures. We often use graphs – visual representations of functions – showing the relationship between the domain of a function and the range of a function. With real-valued functions of one variable this is easy: the graph is nice and flat. What about complex-valued functions? What kind of pictures would help?

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by
Frank Shearar
on
12/03/12

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