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Ben Petschel


Last seen: 21 days ago
1,453 total contributions since 2009

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Submitted


cyclebasis
Find a basis for the cycle subspace of a graph/network.

2 years ago | 3 downloads |

Submitted


Fractions Toolbox
create and manipulate fractions (K+N/D) using exact arithmetic

4 years ago | 2 downloads |

Solved


Persistent Usage
This Challenge is to implement the Matlab Persistent variable capability. Given a sequence of Calls to a function return the ...

4 years ago

Solved


convert?
* Given a string containing a number followed by pounds or kgs, for example: * 'Billy lost 22 pounds in four weeks.' * 'Maria ...

4 years ago

Solved


Calculating cost
You sold a Product at $x and gain 10% What was the cost of the product?

4 years ago

Solved


Find the qube of a give number.
You are given a number, find the qube of that number.

4 years ago

Solved


modulus of a number
find the modulus of a given number

4 years ago

Solved


find lenth of array
you have given an array, find the length of that.

4 years ago

Solved


ZigZag matrix with reflected format
ZigZag MATRIX with REFLECTED format. We have only input x. We have to create a matrix in the following pattern. input n=5...

4 years ago

Solved


FizzBuzz
<http://c2.com/cgi/wiki?FizzBuzzTest FizzBuzz Test> The "Fizz-Buzz test" is an interview question designed to help filter out...

4 years ago

Solved


Coin Tossing: Probability of Same Heads for N tosses
A pair of physicists toss a coin n times each. What is the probability that they tossed the same number of heads? *Input:*...

4 years ago

Solved


Make a logical diamond using GALLERY function
Inspired from <http://www.mathworks.com/matlabcentral/cody/problems/1078-make-a-diamond Problem 1078. Make a diamond> In thi...

4 years ago

Solved


Create a random vector of integers with given sum
Your task today is to write a function that returns a vector of integer numbers, between, and including, 1 and m, of which the s...

4 years ago

Solved


Replace pattern 0 1 0 and 1 0 1
Find and replace a pattern in a row of zeroes and ones. * Find 1 0 1 and replace it with 1 1 1 * Find 0 1 0 and replace it w...

4 years ago

Solved


Generalized Fibonacci
The Fibonacci sequence is defined as: Fib(1) = 0 Fib(2) = 1 Fib(N) = Fib(N-1) + Fib(N-2) The Fibonacci sequence ca...

4 years ago

Solved


Find the mode of the given input
Find the statistical <http://en.wikipedia.org/wiki/Mode_(statistics)/ mode> of the given input. Example: If X is matr...

4 years ago

Solved


Create a 5x4 array consisting of the input value, x.
Create a 5x4 array consisting of the input value, x.

4 years ago

Solved


Low level NaN
* I have a dataset. Columns represents different variables. * A variable may start with NaN or any double type number. * If i...

4 years ago

Solved


Add two hex numbers
Add two hex numbers

4 years ago

Solved


Determinant without using det()
Given a square matrix A, compute the <http://en.wikipedia.org/wiki/Determinant determinant> of A. Note that you may not use t...

4 years ago

Solved


Throw common elements of two vector arrays
Throw common elements as output of two given input vector arrays

4 years ago

Solved


Number of Flip Flop required in ripple counter
Find the number of flip flop required in ripple counter. If modulus of counter (N) is given find outnumber of Flip Flop (n) r...

4 years ago

Solved


Corresponding letter to ASCII code.
Given the letter, the output will show the corresponding ASCII code.

4 years ago

Solved


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

4 years ago

Solved


Spherical Volume
Calculate the volume of a sphere.

4 years ago

Solved


Annual Salary
What is the annual salary of Mr. Cody if he works 40 hours a week and gets $x per hour and a yearly bonus of $2000? (Let, 50 wee...

4 years ago

Solved


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

4 years ago

Solved


Print the largest eigenvalue of A(500)
Write a function that prints the largest eigenvalue of A(500), without any extraneous output. For a positive integer n, let A...

4 years ago

Solved


Evaluating continued fractions
Given row vector c=[c0 c1 c2 c3 ...] evaluate the continued fraction x=c0+1/(c1+1/(c2+1/(c3+...))) If c is a ...

4 years ago

Solved


given number is power of n or not?
Check weather The input is power of n or not? for example x=8,n=2 --> true x=6,n=2 --> false

4 years ago

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