# christopher Minix

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**Content Feed**

Solved

DNA N-Gram Distribution

Given a string s and a number n, find the most frequently occurring n-gram in the string, where the n-grams can begin at any poi...

4 years ago

Solved

Pattern matching

Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

4 years ago

Solved

Calculate the Levenshtein distance between two strings

This problem description is lifted from <http://en.wikipedia.org/wiki/Levenshtein_distance>. The Levenshtein distance betwee...

4 years ago

Solved

Pascal's Triangle

Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

4 years ago

Solved

Given a window, how many subsets of a vector sum positive

Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

4 years ago

Solved

Extract leading non-zero digit

<http://en.wikipedia.org/wiki/Benford%27s_law Benford's Law> states that the distribution of leading digits is not random. This...

4 years ago

Solved

Knight's Tour Checker

Given a matrix a, determine whether or not a legal <http://en.wikipedia.org/wiki/Knight's_tour knight's tour> is present. The kn...

4 years ago

Solved

Function Iterator

Given a handle fh to a function which takes a scalar input and returns a scalar output and an integer n >= 1, return a handle f...

4 years ago

Solved

I've got the power! (Inspired by Project Euler problem 29)

Consider all integer combinations of a^b and b^a for the integer values 2 ≤ a ≤ 4 and 2 ≤ b ≤ 5: 2^2=4, 2^3=8, 2^4=16,...

4 years ago

Solved

Longest Divisor Run

Given the vector a, find the longest run of consecutive numbers that can be evenly divided by the same number d where d > 1. ...

4 years ago

Solved

Encode Roman Numerals

Create a function taking a non-negative integer as its parameter and returning a string containing the Roman Numeral representat...

4 years ago

Solved

Implement a counter

Write a function that returns a function that counts the number of times it is invoked. Example: >> h = counter; >> h() ...

4 years ago

Solved

Find common elements in matrix rows

Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

4 years ago

Solved

Cat, Meowcat and Concatenation

Input is a cell array containing several strings. Find the largest continuous sub-string common to all strings. All strings are ...

4 years ago

Solved

Change Vector Value

Change the element of the vector with respect to the element of the direction vector If the element of the direction vecto...

4 years ago

Solved

nth Rational Number

Return the nth rational number. This is the inverse to Problem <http://www.mathworks.com/matlabcentral/cody/problems/1471 1...

4 years ago

Solved

Find the biggest empty box

You are given a matrix that contains only ones and zeros. Think of the ones as columns in an otherwise empty floor plan. You wan...

4 years ago

Solved

Make a simplified barcode

Given an integer to encode, make a barcode using the following encoding scheme: * The bar code is made from the binary versio...

4 years ago

Solved

Reverse Run-Length Encoder

Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

4 years ago

Solved

Polite numbers. N-th polite number.

A polite number is an integer that sums of at least two consecutive positive integers. For example _7 = 3+4_ so 7 is a polite...

4 years ago

Solved

Bell Number calculator

Calculate a vector of Bell numbers for sets up to length n. Bell numbers are the maximum number of partitions of a set. See the ...

4 years ago

Solved

multiply by three

Given the variable x as your input, multiply it by 3 and put the result equal to y. Examples: Input x = 2 Output y is ...

4 years ago

Solved

Y=X

Given an input variable x, output a variable y that is equal in value to x. Example: Input x = 1 Output y is 1 Inp...

4 years ago

Solved

Simple equation: Annual salary

Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

4 years ago

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

4 years ago

Solved

Pangrams!

A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

4 years ago

Problem

Find parts of a circle.

Given radius (r) of a circle find the diameter (d), circumference (c), an area (a).

4 years ago | 1 | 55 solvers

Solved

Trimming Spaces

Given a string, remove all leading and trailing spaces (where space is defined as ASCII 32). Input a = ' singular value deco...

4 years ago