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# Ben Petschel

1463 total contributions since 2009

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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

2 months ago

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modulus of a number
find the modulus of a given number

2 months ago

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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...

2 months ago

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

2 months ago

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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:*...

2 months ago

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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...

2 months ago

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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...

2 months ago

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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...

2 months ago

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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...

2 months ago

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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...

2 months ago

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

2 months ago

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

2 months ago

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2 months ago

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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...

2 months ago

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

2 months ago

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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...

2 months ago

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

2 months 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.

2 months ago

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Spherical Volume
Calculate the volume of a sphere.

2 months ago

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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...

2 months ago

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

2 months ago

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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...

2 months ago

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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 ...

2 months ago

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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

2 months ago

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How to get the additive inverse of a uint8.
Given x as a uint8 find the additive inverse y.

2 months ago

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Reference Index Number
Given a reference set R of elements (each unique but identical in type), and a list V of elements drawn from the set R, possibly...

2 months ago