goc3
Member of the Community Advisory Board since its inception | MATLAB enthusiast | Code optimizer | Software tester | Materials scientist / mechanical engineer by degree and licensure | Favorite element: rhenium
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Count the even numbers in a multiplication table
A multiplication table that has products of numbers from 1 to 10 has 75 even numbers among the products. Write a function to c...
ein Tag vor
Gelöst
List lunar triangular numbers without duplication
Triangular numbers—which are the subject of Cody Problems 5, 291, 44289, 44732, 45833, 55680, 55695, and 55705—are the sums of c...
ein Tag vor
Gelöst
Spell musical triads
Chords form the basis of harmony in music. The most basic chords are triads, or groups of three notes. They are specified by thr...
ein Tag vor
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Lunar Arithmetic (Multiplication)
<https://oeis.org/A087061 OEIS link for a description of lunar arithmetic> Simply take the larger digit when adding and take ...
ein Tag vor
Gelöst
Expand 10^n to Powers of 4
Given an integer n, return the coefficients c = [c_n,c_n-1,...,c_0] Such that 10^n = c_n*4^(n) + c_n-1*4^(n-1...
ein Tag vor
Gelöst
TRON strategy toggle
Detect whether your lightcycle is on same side of existing walls as opponents lightcycle. This function is useful in toggling a ...
ein Tag vor
Gelöst
Deduce Equations for Simplified Interstellar Doppler Effect ✨
R2-D2 and C-3PO are friends. R2-D2 boards a spacecraft bound to a galaxy far, far away, but is always in contact with C-3PO, als...
ein Tag vor
Gelöst
Compute the fractional derivative
Cody Problem 1370 asks us to compute the derivative of a polynomial. This problem extends that idea to fractional derivatives, w...
ein Tag vor
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Estimate π from certain values of the zeta function
Cody Problems <https://www.mathworks.com/matlabcentral/cody/problems/2908-approximation-of-pi 2908> and <https://www.mathworks.c...
ein Tag vor
Gelöst
Compute the sum of reciprocals of quadratics
Write a function to compute the following sum: See also Cody Problem 46000.
2 Tage vor
Gelöst
Compute the period of a pendulum started from a finite initial angle
Cody Problem 49830 asks for the period of a pendulum swinging through a small angle. Here the pendulum started at rest from an ...
2 Tage vor
Gelöst
Evaluate the generalized hypergeometric function
The <https://en.wikipedia.org/wiki/Generalized_hypergeometric_function generalized hypergeometric function> is defined as <<...
2 Tage vor
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Even Logic. Instant Results
Write a MATLAB function isEven(n) that takes an integer n as input and returns true if the number is even, and false if it is od...
3 Tage vor
Gelöst
Given a Matrix add a frame of 0's to it
for x as the input = [ 8 7 9 8 2 4 3 2 6 7 5 3] then output y sould be = out=[0 0 0 0 0 ...
3 Tage vor
Gelöst
Solve an equation involving primes and fractions
Write a function to find pairs of primes and satisfying the equation where is an integer. The function should take a numbe...
3 Tage vor
Gelöst
Compute a nested cube root
Consider the quantity . Write a function to compute without using loops or recursion.
3 Tage vor
Gelöst
Compute a sum of Ramanujan
Srinivasa Ramanujan defined the following function: Write a function to compute for various values of . See also Cody Proble...
3 Tage vor
Gelöst
Compute a sum
Write a function to compute the following sum Although a solution is available for general values of the coefficients, the co...
3 Tage vor
Gelöst
Generate a point cloud on an equilateral triangle 8
The input is the iteration parameter H. The output is a point cloud W involving N points. W is N uniformly distributed points ...
3 Tage vor
Gelöst
Generate a point cloud on an equilateral triangle 7
The input is the iteration parameter H. The output is a point cloud W involving N points. W is N uniformly distributed points ...
3 Tage vor
Gelöst
Generate a point cloud on an equilateral triangle 6
The input is the iteration parameter H. The output is a point cloud W involving N points. W is N uniformly distributed points ...
3 Tage vor
Gelöst
Generate a point cloud on an equilateral triangle 5
The input is the iteration parameter H. The output is a point cloud W involving N points. W is N uniformly distributed points ...
3 Tage vor
Gelöst
Generate a point cloud on an equilateral triangle 4
The input is the iteration parameter H. The output is a point cloud W involving N points. W is N uniformly distributed points ...
3 Tage vor
Gelöst
Generate a point cloud on an equilateral triangle 3
The input is the iteration parameter H. The output is a point cloud W involving N points. W is N uniformly distributed points ...
3 Tage vor
Gelöst
Generate a point cloud on an equilateral triangle 2
The input is the iteration parameter H. The output is a point cloud W involving N points. W is N uniformly distributed points ...
3 Tage vor
Gelöst
Generate a point cloud on an equilateral triangle 1
The input is the iteration parameter H. The output is a point cloud W involving N points. W is N uniformly distributed points ...
3 Tage vor
Gelöst
Generate a point cloud named `Incremental Lattice Design`
The input is the number of dimensions M and the parameter H. The output is a point cloud W involving N points. W is N uniforml...
3 Tage vor
Gelöst
Generate a point cloud named `Simplex-Lattice Design`
The input is the number of dimensions M and the parameter H. The output is a point cloud W involving N points. W is N uniforml...
3 Tage vor
Gelöst
The Five Infection (Boss Level)
Given a 3x3 matrix A, replace: every value that is equal to five every value that is directly adjacent to a five with zero in...
3 Tage vor
