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John D. Cook
johndcook.com
John D. Cook
·
32w
32 weeks ago
Trying to fit exponential data
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Actions for Trying to fit exponential data
John D. Cook
·
32w
32 weeks ago
The folly of naively fitting a logistic curve
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Actions for The folly of naively fitting a logistic curve
John D. Cook
·
32w
32 weeks ago
Regular expressions that cross lines
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Actions for Regular expressions that cross lines
John D. Cook
·
33w
33 weeks ago
Here’s a curious theorem I stumbled across recently \[1\]\. Take an integer *N* which is not a multiple of 10\. Then there is some multiple of *N* which only contains the digits...
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Actions for Here’s a curious theorem I stumbled across recently \[1\]\. Take an integer *N* which is not a multiple of 10\. Then there is some multiple of *N* which only contains the digits...
John D. Cook
·
33w
33 weeks ago
Golden iteration
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Actions for Golden iteration
John D. Cook
·
33w
33 weeks ago
Just change the key
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John D. Cook
·
33w
33 weeks ago
Rolling n-sided dice to get at least n
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John D. Cook
·
34w
34 weeks ago
Fourier transform of a Fourier series
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Actions for Fourier transform of a Fourier series
John D. Cook
·
34w
34 weeks ago
Fourier transform of a flat line
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Actions for Fourier transform of a flat line
John D. Cook
·
34w
34 weeks ago
Obscuring P2P nodes with Dandelion
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Actions for Obscuring P2P nodes with Dandelion
John D. Cook
·
34w
34 weeks ago
What is a Pedersen commitment?
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John D. Cook
·
34w
34 weeks ago
Solving spherical triangles
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Actions for Solving spherical triangles
John D. Cook
·
34w
34 weeks ago
The Navigational Triangle
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Actions for The Navigational Triangle
John D. Cook
·
34w
34 weeks ago
Line of position (LOP)
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Actions for Line of position (LOP)
John D. Cook
·
35w
35 weeks ago
Lewis & Clark geolocation
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Actions for Lewis & Clark geolocation
John D. Cook
·
35w
35 weeks ago
Zero knowlege proof of compositeness
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Actions for Zero knowlege proof of compositeness
John D. Cook
·
35w
35 weeks ago
Monero subaddresses
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Actions for Monero subaddresses
John D. Cook
·
35w
35 weeks ago
A triangle whose interior angles sum to zero
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Actions for A triangle whose interior angles sum to zero
John D. Cook
·
35w
35 weeks ago
A circle in the hyperbolic plane
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Actions for A circle in the hyperbolic plane
John D. Cook
·
35w
35 weeks ago
Equal things that don’t look equal
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