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**Content Feed**

Solved

Calculate the Area of the Ring

You have Ring which consist of inner and outer Circles with Radius r and R which are not given but you'll be given Hprizontal ...

2 days ago

Solved

List the ways to write 1/n as the sum of two unit fractions

Cody Problem 59841 involved counting the ways that can be written as the sum of two unit fractions (those with a numerator of 1...

5 days ago

Solved

Palindrome Checker

Create a MATLAB function that checks whether a given string is a palindrome or not. A palindrome is a word, phrase, number, or o...

7 days ago

Solved

finding vector pair with min angle between them

given a matrix with more than one row , compare row vectors of the given matrix and find the pair with the minumum angle between...

7 days ago

Solved

Count the ways to write 1/n as the sum of two unit fractions

The number 1/2 can be written as 1/3+1/6 and 1/4+1/4, and the number 1/9 can be written as 1/18+1/18, 1/12+1/36, and 1/10+1/90. ...

7 days ago

Solved

Complete a geometric sequence

In Cody Problem 59786 minnolina asks us to find the integer that completes a randomly sorted arithmetic sequence with one missin...

7 days ago

Solved

Missing Number

Given a list of integers forming an arithmetic progression (where the difference between consecutive elements is constant), your...

7 days ago

Solved

Determine whether a number is a Gaussian prime

A Gaussian prime is a number that cannot be factored. For example, is not a Gaussian prime because it can be factored as the p...

7 days ago

Solved

Express numbers as the sum of a prime, a square, and a cube

While traveling on an interstate highway, I noticed a sign that gave distances to three places. The distances were 3, 8, and 9 m...

26 days ago

Solved

Find the minimum element coprime to the rest in a set of 10 consecutive integers

In this video, Dr Barker argued that a set of 10 consecutive integers must have at least one integer coprime to the rest. For ex...

1 month ago

Solved

Solve an ODE: Ekman spiral on a solid surface

Problem Write a function to solve for and as a function of in this system of ordinary differential equations: where , ...

1 month ago

Solved

Array GCD

* Find Greatest Common Divisor in a given array * Function Template: function ans = arraygcd(a) % a=[45 15 200 ...

2 months ago

Solved

Update course numbers and abbreviations

Suppose that the educational institution where you teach purchases new software to handle many essential functions, including co...

2 months ago

Solved

Find the index of n in magic(n)

If input n=5, then magic(n) is 17 24 1 8 15 23 5 7 14 16 4 6 13 20 22...

2 months ago

Solved

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 months ago

Solved

Beam me up, Scotty!

It's the mid 22nd century. You, Montgomery Scott, are appointed the chief engineer of the Starship Enterprise. The Starship is...

2 months ago

Solved

Compute the polylogarithm for real arguments

The polylogarithm appears in quantum statistics and quantum electrodynamics, and for special cases of and , it connects to the...

2 months ago

Solved

List ways to make a sum in Killer Sudoku

In Sudoku, the subject of several Cody problems, one tries to arrange the digits 1 through 9 in a 9x9 grid of 81 cells (or a 3x3...

2 months ago

Solved

Compute a sum involving the zeta function

Write a function to compute the sum for , where is the zeta function, the subject of Cody Problems 45939, 45988, and 45997.

3 months ago

Solved

Count paths between corners of a grid that remain on or below the diagonal

Consider motion from the lower left corner of a square grid to the upper right corner. The motion is constrained in two ways: (1...

3 months ago

Solved

Determine aquifer properties: slug test

An important task in characterizing the flow of groundwater is to determine the properties of the aquifer, or the underground wa...

3 months ago

Solved

Integrate a power tower

Write a function to compute this integral where . That is, the integrand is x to the x to the x to the x to the...

3 months ago

Solved

Count the ones in a divisibility matrix

Cody Problem 59506 asked solvers to compute the determinant of matrix consisting of ones in the first column and anywhere the ro...

3 months ago

Solved

Compute the determinant of a divisibility matrix

Consider a matrix consisting of ones in the first column and anywhere the row index divides the column index. The 4x4 matrix is ...

3 months ago

Solved

Compute the sum of distances from a point to the sides of an equilateral triangle

Write a function to compute the sum of the (shortest) distances from a point inside an equilateral triangle to the sides of the ...

3 months ago

Solved

Compute the total length of lines between all vertices of a regular polygon

Write a function to compute the total length of between all vertices of a regular polygon inscribed in a unit circle. For exampl...

4 months ago

Solved

Find a Pythagorean triple

Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

4 months ago

Solved

Roman to Integer Conversion

The idea behind this cody problem is to write a code that converts the Roman Numerals to Integers. A numeral system known as R...

4 months ago