A résolu

Compute the Dedekind psi function
Write a function to compute the Dedekind psi function. The values for n = 1, 2, 3, 4, 5, and 6 are 1, 3, 4, 6, 6, and 12.

29 jours il y a

A résolu

Determine when iterations of phi(psi(x)) repeat
Cody Problem 656 introduced the Euler totient function , which counts the number of integers smaller than that are relatively...

29 jours il y a

A résolu

Enclosure Matrix
The problem gives you a positive integer n. You need to create a matrix consisting of n layers of natural numbers; the outermost...

29 jours il y a

A résolu

Mandelbrot Set Generator Class
Create a class Mandelbrot that computes the Mandelbrot set on a given complex plane window. The Mandelbrot set is defined by it...

29 jours il y a

A résolu

Radioactive Decay Chain
A radioactive decay chain consists of a series of nuclides, each decaying into the next. Suppose we have a chain of N isotopes:...

29 jours il y a

A résolu

Compute MOSFET oxide thickness
Calculate the oxide thickness in nanometers for an NMOS on a p-type substrate. Inputs (all scalars): NA — acceptor concentrat...

29 jours il y a

A résolu

Express base-10 integers in lazy binary
The binary (or base-2) representations of a number n can be constructed as follows: Step 1: If n = 0, then the binary represent...

29 jours il y a

A résolu

How tall will my cactus be?
My Barbed Wire Cactus is a desert cactus that relies on just the right amount of rainfall to stay healthy. Given a 1×12 vector...

29 jours il y a

A résolu

Find Solutions to Edge-Matching Puzzles
I was intrigued by some edge-matching puzzles I came across when visiting my parents over Thanksgiving. "An edge-matching puzzle...

29 jours il y a

A résolu

Escape from Planet ....
Given a Planets mass M, and raduis r. Calculate the surface escape velocity and the escape velocity at height h. and the diff...

29 jours il y a

A résolu

Multiplying the Sums of Two Arrays
Get two arrays, add the values within the array up, and then multiply the two total values. [2,3]*[3,6] 5*18 90

29 jours il y a

A résolu

Mach Number Calculator
Create a solver which converts a speed in km/s to a Mach Number Round to 2 decimal places Requires: Mach Number Formula (ea...

29 jours il y a

A résolu

Linearly Spaced Array
Create a linearly spaced array from 0 to x consisting of y elements.

30 jours il y a

A résolu

Sum of even numbers in a vector
Write a function that takes a vector of numbers and returns the sum of all the even numbers in the vector.

30 jours il y a

A résolu

Apply the planing transform to natural numbers
Claude Lenormand’s planing (or raboter, in French) transform removes one element from each run in a sequence; that is, imagine a...

30 jours il y a

A résolu

Calculating Swimming Stroke Index (SI)
In competitive swimming, speed () is only one part of the equation. High efficiency is defined by moving fast while maintaining ...

30 jours il y a

A résolu

FEN Chess Notation
Note: This problem is the reverse, or complement, of Problem 61155 - FEN to Chess Board. Given an 8-by-8 character matrix repre...

30 jours il y a

A résolu

Convert a diagonal representation of a matrix element to linear index or subscripts
Elements in matrices in MATLAB can be retrieved by linear index or subscripts. For example, the 1 in the matrix below has a line...

30 jours il y a

A résolu

Determine whether a number is a repfigit number
A sequence of numbers is constructed from a number with the following steps: List the digits of . Compute the ()st term as t...

30 jours il y a

A résolu

Extract numbers using a decaying sieve
The Sieve of Eratosthenes is one method of determining primes. Starting with 2, one keeps 2 and removes 2x2, 3x2, 4x2, etc. Then...

30 jours il y a

A résolu

Find the Nth number in the 8-sequence
Find the Nth number in the 8-sequence. 8, 16, 24, 32, 48, 56, 64, 72, 88, ... Hint: Refer test suites

environ un mois il y a

A résolu

Find the Nth number in the 7-sequence
Find the Nth number in the 7-sequence. 7, 14, 21, 28, 35, 42, 49, 56, 63, 77, 84, ... Hint: Refer test suites

environ un mois il y a

A résolu

Find the Nth number in the 6-sequence
Find the Nth number in the 6-sequence. 6, 12, 18, 24, 36, 42, 48, 54, 66, ... Hint: Refer test suites

environ un mois il y a

A résolu

Find the Nth number in the 5-sequence
Find the Nth number in the 5-sequence. 5, 15, 25, 35, 45, 55, ... Hint: Refer test suites

environ un mois il y a

A résolu

Find the Nth number in the 4-sequence
Find the Nth number in the 4-sequence. 4, 8, 12, 16, 24, 28, 32, 36, 44 ... Hint: Refer test suites

environ un mois il y a

A résolu

Find the Nth number in the 3-sequence
Find the Nth number in the 3-sequence. 3, 6, 9, 12, 15, 18, 21, 24, 27, 33 ... Hint: Refer test suites

environ un mois il y a

A résolu

Find the Nth number in the 2-sequence.
Find the Nth number in the sequence. 2, 4, 6, 8, 12, 14, 16, 18, 22, ... Hint: Refer test suites

environ un mois il y a

A résolu

Easy Sequences 37: Natural Factorable Polynomials
A polynomial of the form: , for , is said to be natural factorable if it can be factored into products of first degree binomials...

environ un mois il y a

A résolu

Easy Sequences 36: Hyperbolic Lattice Points
The graph, shown below, of the hyperbola: , passes through four positive lattice points:. ...

environ un mois il y a

A résolu

Easy Sequences 35: Cutting a donut to Semi-prime pieces
The figure below illustrates how a torus (donut shape) can be cut in pieces with only cuts: ...

environ un mois il y a