Impenetrable Bose Gas by Ciro Santilli 35 Updated +Created
CC BY-NC-ND by Ciro Santilli 35 Updated +Created
Landau quantization by Ciro Santilli 35 Updated +Created
Two-dimensional electron gas by Ciro Santilli 35 Updated +Created
Fractional quantum Hall effect for by Ciro Santilli 35 Updated +Created
LeNet by Ciro Santilli 35 Updated +Created
List of geographic information systems by Ciro Santilli 35 Updated +Created
Pulse width modulation by Ciro Santilli 35 Updated +Created
GPIO generally only supports discrete outputs.
But for some types of hardware, like LEDs and some motors, the system has some inertia, and if you switch on and off fast enough, you get a result similar to having an intermediate voltage.
So with pulse width modulation we can fake analog output from digital output in a good enough manner.
Messier 87 by Ciro Santilli 35 Updated +Created
FreeFem examples by Ciro Santilli 35 Updated +Created
Formal language by Ciro Santilli 35 Updated +Created
Fluid dynamics by Ciro Santilli 35 Updated +Created
From first principles by Ciro Santilli 35 Updated +Created
Quake (video game) by Ciro Santilli 35 Updated +Created
Krusader by Ciro Santilli 35 Updated +Created
The most powerful GUI file manager ever?? Infinite configurability??
Ciro Santilli wasted some time on it before he gave up on file managers altogether and started using only the CLI with a few aliases.
Exponential map (Lie theory) by Ciro Santilli 35 Updated +Created
Like everything else in Lie group theory, you should first look at the matrix version of this operation: the matrix exponential.
The exponential map links small transformations around the origin (infinitely small) back to larger finite transformations, and small transformations around the origin are something we can deal with a Lie algebra, so this map links the two worlds.
The idea is that we can decompose a finite transformation into infinitely arbitrarily small around the origin, and proceed just like the product definition of the exponential function.
The definition of the exponential map is simply the same as that of the regular exponential function as given at Taylor expansion definition of the exponential function, except that the argument can now be an operator instead of just a number.
Logarithm by Ciro Santilli 35 Updated +Created
Existence by Ciro Santilli 35 Updated +Created

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