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# Kevin Krüger

116 total contributions since 2015

System engineer

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Mersenne Primes vs. All Primes
A Mersenne prime (M) is a prime number of the form M = 2^p - 1, where p is another prime number. <https://www.mathworks.com/matl...

oltre un anno ago

Solved

Approximation of Pi (vector inputs)
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given numbe...

oltre un anno ago

Solved

Approximation of Pi
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given numbe...

oltre un anno ago

Solved

Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

oltre un anno ago

Solved

Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

oltre un anno ago

Solved

Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

oltre un anno ago

Solved

Sum of series IV
What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?

oltre un anno ago

Solved

Return the Fibonacci Sequence
Write a code which returns the Fibonacci Sequence such that the largest value in the sequence is less than the input integer N. ...

oltre un anno ago

Solved

Project Euler: Problem 6, Natural numbers, squares and sums.
The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...

oltre un anno ago

Solved

Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

oltre un anno ago

Solved

Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

oltre un anno ago

Solved

Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

oltre un anno ago

Identify which color zone a x - y point is in
If I understand this correctly, you already specified each Zone by the points which belongs to it. Now to solve your Problem, yo...

circa 2 anni ago | 0

Solved

Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

circa 3 anni ago

Solved

Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

circa 3 anni ago

Solved

Find best domino orientation
Given a list of pairs, find the orientation they should be placed in a line, such that the sum of the absolute values of the dif...

circa 3 anni ago

Solved

Choose the best fitting dominoes
You will be given a cell array of nx2 matrices. Choose one row from each matrix. These are the ordered pairs that will be plac...

circa 3 anni ago

Solved

Simple polynomial evaluation
Compute the value of a polynomial of degree n with all coefficients '1', at value x. n is always n>=0. p(x)=1+x+x^2+...+x^n...

circa 3 anni ago

Solved

S-T-R-E-T-C-H I-T O-U-T
You will be given a row of numbers (x), and a single number (n). Your job is to write a script that will stretch out the row of...

circa 3 anni ago

Solved

Repeat the entries of the vector to their reference times in the vector.
e.g for input x: [ 7 3 9 5] output y: [ 7 3 3 9 9 9 5 5 5 5]

circa 3 anni ago

Solved

multiply an array by its position number
You have given an array. Multiply an array by its position number

circa 3 anni ago

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first element of matrix
find the first elements of a column matrix

circa 3 anni ago

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find a specific element from an matrix
Find the element from matrix which is in 2nd row and 3rd column.

circa 3 anni ago

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find the mean of all elements in a matrix
given a matrix, just find the mean of all elements in the matrix

circa 3 anni ago

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Find mean
given an array, find the mean of the number in that array

circa 3 anni ago

Solved

find sum of the numbers in array
calculate the sum of numbers in a given array

circa 3 anni ago

Solved

Halder function
Find the halder function value of a number

circa 3 anni ago

Solved

find max
You are given an array number find the maximum

circa 3 anni ago

Solved

find minimum
find the minimum from an array

circa 3 anni ago

Solved

modulus of a number
find the modulus of a given number

circa 3 anni ago