Solved

EZ9
EZ

2 maanden ago

Solved

EZ8
EZ

2 maanden ago

Solved

EZ7
EZ

2 maanden ago

Solved

Condition number of Kronecker product
Given NxN matrix A and MxM matrix B, where M,N<=1000, write a routine to compute the condition number of kron(A,B).

3 maanden ago

Solved

Find an inscribed square on a closed curve
Here's an unproven conjecture from geometry: Every simple closed curve in a plane contains all four vertices of some square. ...

3 maanden ago

Solved

Determine whether a number is a Ludic prime
Ludic numbers are formed by a sieve. Start with a list of the positive integers. Skip 1 and start with 2. Then delete every seco...

3 maanden ago

Solved

Identify points inside a Reuleaux triangle
Write a function to identify points that lie in or on a Realeaux triangle, which is a curve of constant width. The input to the ...

3 maanden ago

Solved

EZ6

3 maanden ago

Solved

EZ5
EZ5

3 maanden ago

Solved

EZ4

3 maanden ago

Solved

EZZ
EZZ

3 maanden ago

Solved

EZ
EZ

3 maanden ago

Solved

REPMAT Enhancement - Faster for Large Row Replication of Vector
The Challenge is to modify repmat.m to maintain all of its normal functionality and enhance its performance for large row replic...

3 maanden ago

Solved

Find the closest canyon prime
My wife and I celebrated our honeymoon and most recent anniversary in Yellowstone and Grand Teton National Parks. After returnin...

3 maanden ago

Solved

List composite numbers that do not contain their prime factors as substrings
The number 63 has the prime factorization 3, 3, and 7, and it contains one of them (3) as a substring. In contrast, the number 4...

3 maanden ago

Solved

Sum along each diagonal of a matrix
Write a routine that returns the sums along the diagonals of a given matrix, A, where the first diagonal is the bottom left corn...

3 maanden ago

Solved

Extract diagonal of sparse quadratic form
Consider the matrix A and vector v given by, A=round(sprand(5e3,1e4,1/1e4*100)*100); v=randi(10,width(A),1); Write a rout...

4 maanden ago

Solved

Build a block Toeplitz matrix
A symmetric block Toeplitz matrix has the form, where the are compatibly-sized matrices. Write a routi...

4 maanden ago

Solved

TingTing
Output logical "true" if the input is the answer to luck and money$$$. Otherwise, output logical "false".

4 maanden ago

Solved

2x2 binning of a large sparse matrix
Consider the 20000 x 20000 sparse matrix, A=round(sprand(2e4,2e4,1/1e4*100)*1000); The task is to divide this matrix into 2x...

4 maanden ago

Solved

Compute the dispersion coefficient
A contaminant dumped or spilled into a river will move downstream with the flow, but it will also spread in the flow direction b...

4 maanden ago

Solved

List Ormiston prime pairs
The numbers 1913 and 1931 form the first Ormiston prime pair. The numbers are consecutive primes, and they are anagrams of each ...

4 maanden ago

Solved

area of a square
find the generic solution for an area of a square

4 maanden ago

Solved

Area of a rectangle
FInd the area of a rectangle with a length L and width W. Round to the nearest integer.

4 maanden ago

Solved

Extend the digamma function to negative arguments
While solving one of Ramon Villamangca’s problems, I needed the value of , where is the digamma function. However, MATLAB’s fun...

4 maanden ago

Solved

Describe n from right to left
If you were to describe the number 46 from right to left, you could say “one 6, one 4”, or 1614. The number 8663 would be “one 3...

4 maanden ago

Solved

Find out if the given number is a square of natural number.
For example , Input =4,output =1 Input=1,output=1 Input=0,output=0 Input=8,output=0

4 maanden ago

Solved

Explore the twin prime Goldbach conjecture
The Goldbach conjecture says that every positive even integer greater than 2 can be expressed as the sum of two prime numbers in...

5 maanden ago

Solved

Moyenne pondérée
Ecrire une fonction qui prend en entrée un vecteur P et un vecteur V et calcule la moyenne pondérée MP des élements vi d'un vec...

5 maanden ago

Solved

Add two numbers
assign any value to two variable a, b and store their sum in variable c

5 maanden ago