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Compute a sum involving the totient over divisors of a number
Write a function to compute the following sum: where is the totient function. The sum is computed over the divisors of (inc...

5 years ago

Solved

The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

5 years ago

Solved

Compute the effective conductivity of a heterogeneous aquifer
Slow flow through soil or another porous medium follows Darcy’s law, which relates the flow of water to the gradient in piezome...

5 years ago

Solved

Nuclear Binding Energy
Compute the approximate nuclear binding energy in MeV using the least-squares fit of the semi-emirical mass formula. Round to th...

5 years ago

Solved

Create initial basic feasible solution for transportation problems -Minimum Cost Method

5 years ago

Solved

Identify Ruth-Aaron numbers
After Hank Aaron hit his 715th home run and passed Babe Ruth’s total of 714, Carl Pomerance noticed that the union of the prime ...

5 years ago

Answered
Bitshift cannot work on negative numbers
I believe this is happening for the following reason: The documentation states that "If A is a double array, and ASSUMEDTYPE is...

5 years ago | 2

Solved

Compute a sum of Ramanujan
Srinivasa Ramanujan defined the following function: Write a function to compute for various values of . See also Cody Proble...

5 years ago

Solved

Matrix convolution
A certain convolution step involves an elementwise multipication between two 3x3 matrices and taking the resulting sum of the el...

5 years ago

Solved

Matrix Indexing
Given a matrix A and scalars r,c,i, find the product of two elements, with the first element located at row r and column c (doub...

5 years ago

Solved

Row operations
Given a matrix A and scalars m and n, add the mth row to the nth row. You can assume that the values of m and n are reasonable. ...

5 years ago

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Switch two elements in vector
Exchange the elements in the mth and nth positions in a given vector v. Thus, if m = 1, n= 4 and v = [23 1 4 5 10], then the res...

5 years ago

Solved

Stacking vectors into a matrix
Given a 4x1 vector a, and a 2x2 matrix b, create a matrix M in which the first 2 rows are each identical to a and the last two r...

5 years ago

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Vector creation using colon operator
Create a vector y containing n uniformly spaced values between a and b, with a < b. Use the colon (:) operator.

5 years ago

Solved

Vector creation using linspace
Create a vector y containing n uniformly spaced values between a and b, with a < b. Use linspace.

5 years ago

Solved

Logarithmically spaced vector creation using logspace
Create a vector y containing n logarithmically spaced values between a and b, with a < b. Use the logspace operator.

5 years ago

Solved

Logarithmically spaced vector creation using linspace
Create a vector y containing n logarithmically spaced values between a and b, with a < b. Avoid using logspace and use the linsp...

5 years ago

Solved

Right shift an array n times with constant space.
Right shift an array n times with constant space, that is, no extra array can be used. Right shift operation: Last element com...

5 years ago

Solved

Function - Cylinder Surface Area
The goal

5 years ago

Solved

Determine the average number of rounds for the following game.
Each round a uniformly distributed random number is picked between 0 and 1. The game ends when the sum of the random numbers is ...

5 years ago

Solved

preventing a war!!
essume you are a student and your family paid a lot of money for your classes but unfortunately the online classes made you a ...

5 years ago

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Find the smallest integer m such that n divides m!
Write a function that takes an integer and finds the smallest integer whose factorial is divisible by . For example, if , then...

5 years ago

Solved

Find the number of days in a given year
Given a year number (eg. 2000) as input, find how many days are there in the given year.

5 years ago

Solved

Who am I ?
Who am I ? Write any function that reveals itself under these constraints. Hint: I am combinatorial code, and I don't like stat...

5 years ago

Solved

Find the sum of the following series
A(n)=(n*(n-1)!)/(n-2)!

5 years ago

Solved

Solve an ODE: equation C
Write a function to solve the following ordinary differential equation: with and . The parameter is a constant. The functi...

5 years ago

Solved

Count unique orderings of vertices of a polygon
Cody Problem 2671 asks us to determine whether four points can be the corners of a rectangle. The points are not necessarily inp...

5 years ago

Solved

Sum the elements in rows of the Levine triangle
The Levine triangle starts as follows: Row 0: 2 Row 1: 1 1 Row 2: 1 2 Row 3: 1 1 2 To construct each row, r...

5 years ago

Solved

Determine when snow started
R.P. Agnew posed the following problem: It starts snowing in the morning and continues steadily throughout the day. A snowplow t...

5 years ago

Solved

Eliminate redundant numbers in text
Occasionally someone might write text such as Briefly explain one (1) common problem that can result from the constant use of ...

5 years ago