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Thomas


Last seen: 2 days ago

self employed

13 total contributions since 2019

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Submitted


zetaRS approximates Riemann's zeta(0.5 + i*t) for large t
Fast (but not very precise) computation of Riemann's zeta function on the critical strip using the Riemann Siegel formula

8 days ago | 0 downloads |

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Fast approximation of Pi
Approximate Pi with 16th order convergence

23 days ago | 1 download |

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Submitted


Create and run Turing machines
Some tools and examples for creating and simulating Turing machines and macro-Turing machines.

26 days ago | 2 downloads |

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Computation of the rado function
More sophisticated check for endless loops, support for parallel execution and the use of macro-Turing-machines

5 months ago | 1 download |

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uncover the call structure of a recursive function call
recurse(tree) helps to uncover the call structure of a recursive function call.

5 months ago | 2 downloads |

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GaussLegendre
quick approximation of pi using the Gauss-Legendre algorithm

6 months ago | 1 download |

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two versions of the Euler-phi function
two brief implementations of the Eulerphi function

6 months ago | 1 download |

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Question


Extract lines of a three dimensional matrix using an array of indices and NO for-loop
I have a three dimensional 10x5x2 array. Example: r(:,:,1) = [1 0 2 1 1; 2 0 3 1 1; 3 0 4 1 1; 4 0 1 1 -1; 5 0 -1 1 1; 1 1 3 1...

9 months ago | 1 answer | 0

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answer

Submitted


Computation of Rado-function
Recursive computation of the "uncomputable" Rado-function.

10 months ago | 1 download |

Submitted


Karatsuba algorithm for fast multiplication
Multiplication of "x" and "y" with Karatsuba method using base "base" x , y and base can be freely chosen

1 year ago | 2 downloads |

Submitted


Shor Algorithm for prime factoring
A Version of the Shor-Algorithm for prime Factoring. Please feel free to comment on it or recommend improvements.

1 year ago | 2 downloads |

Question


trying to compute Riemann's prime counting function J(x)
I am trying to compute Riemann's prime counting function J(x): J(x) should approximate the numbers of primes <= x using thi...

1 year ago | 1 answer | 0

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answer

Question


isprime function seems to have poor performance
Why is MatLab's "isprime" function so much slower than Octave's "isprime" function? I am using MatLab's "isprime" function to c...

1 year ago | 2 answers | 2

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