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George Berken


Last seen: Today Con actividad desde 2013

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Retired project engineer.

Programming Languages:
MATLAB
Spoken Languages:
English

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Cody

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Resuelto


Count the square-full divisors of a number

alrededor de 5 horas hace

Resuelto


Solve an ODE: equation for a 2D laminar jet

alrededor de 7 horas hace

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Find pairs of primes with the same digit sum

alrededor de 7 horas hace

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Solve an ODE: separable equation
Solve the following ordinary differential equation: with the initial condition .The test suite will ask for the value of the ...

alrededor de 8 horas hace

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Solve an ODE: equidimensional equation

alrededor de 8 horas hace

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Compute the Euler totient function

alrededor de 8 horas hace

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List ways to reach a target sum

alrededor de 8 horas hace

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Find the nth Fibbinary number

alrededor de 8 horas hace

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Determine the Zeckendorf expansion of a number

alrededor de 9 horas hace

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Award medals to winners

alrededor de 9 horas hace

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Solve a ballot counting problem

alrededor de 9 horas hace

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Compute the date of a special marriage milestone

alrededor de 9 horas hace

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Construct finite difference approximations of derivatives
In solving a differential equation with a finite-difference method, one computes derivatives with various combinations of the fu...

alrededor de 17 horas hace

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Solve a Weird Calculator puzzle
The September 2012 issue of GAMES Magazine had a Weird Calculator puzzle by Erich Friedman. In this puzzle, the calculator has o...

alrededor de 17 horas hace

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Count alternating permutations
In an alternating permutation of numbers 1 to n, the numbers are arranged so that they alternately increase and decrease. For ex...

alrededor de 18 horas hace

Resuelto


Construct dimensionless parameters
*Summary* Write a function to construct dimensionless parameters from a list of variables, a matrix indicating their dimensi...

alrededor de 18 horas hace

Resuelto


Find the zeros of the Bessel function of the first kind
<https://mathworld.wolfram.com/BesselFunctionoftheFirstKind.html Bessel functions> are important in many problems in mathematica...

alrededor de 18 horas hace

Resuelto


Compute the Bernoulli numbers
The <https://en.wikipedia.org/wiki/Bernoulli_number Bernoulli numbers> appear in several applications in number theory, includin...

alrededor de 18 horas hace

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Solve Geozee
Geozee is a new daily puzzle game where you have to assign 9 countries to 9 categories. Categories are such things as "Human Dev...

alrededor de 23 horas hace

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Show me the shape of your array
Write a function that determines the shape of the input array x: Return 'square' if x has the same number of rows and colum...

1 día hace

Resuelto


Decode an Encrypted AES image using CTR (counter mode) with no padding
Given an encoded AES image using CTR mode with no padding, the Initialization Vector (IV) (32 byte in uint8), and the AESkey (25...

1 día hace

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Decode Message using AES with Cipher Block Chaining (CBC) and PKCS#5 padding
Provided an encrypted message using AES CBC mode with PKCS#5 padding, an encrypted AES key in the form of an audio .wav file tha...

1 día hace

Resuelto


Bit Stream conversion to Audio Frequency Shift Key using Bell 202 (Modem)
Convert a character binary bit-stream transmitted at a certain baud-rate into an audio stream using Audio Frequency Shift Key (A...

2 días hace

Resuelto


Compute the Ramanujan tau function for large numbers
The Ramanujan tau function is defined by the relation where . The first few values of are 1, -24, 252, -1472, and 4830. Wr...

2 días hace

Resuelto


Integrate a Power-Tower of a Function
Write a function to compute this integral: Where the function, F(x), will be provided as an Anonymous function of x, and th...

2 días hace

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Quasi-Carmichael Numbers
Determine if the provided inputs are Quasi-Carmichael numbers and output a logical matrix of the same size as the input.

2 días hace

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Minimum, Maximum, and Number of Primitive Roots Modulo (m)
This is a continuation of problem 59212, find the number of primitive roots modulo (m) and output the minimum and maximum of tho...

2 días hace

Resuelto


Sum of Consecutive Positive Integers Equals Product of Limiting Values
Determine m and n for the following equation: For example: 3 + 4 + 5 + 6 = 6*3 is the first occurance that satisfies the equat...

2 días hace

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