# millercommamatt

### North Carolina State University

Atmospheric Research Scientist

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Solved

Get the area codes from a list of phone numbers

Given a string of text with phone numbers in it, return a unique'd cell array of strings that are the area codes. s = '508-647...

3 months ago

Solved

Divisible by 2

This is the first problem in a set of "divisible by x" problems. You will be provided a number as a string and the function you ...

6 months ago

Solved

Join Strings with Multiple Different Delimiters

The idea is to form the string S by interleaving the elements of a cell array of strings DELIMITER and another cell array of st...

6 months ago

Solved

Octoberfest festival

A group of students decided to visit Octoberfest festival. First they ordered one beer, then after half-hour they taken one more...

6 months ago

Solved

Missing five

Convert decimal numbers to a base-9 notation missing the digit *5* <<http://www.alfnie.com/software/missing5.jpg>> Too man...

6 months ago

Solved

Basic electricity in a dry situation

⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ ⚡ &#...

6 months ago

Solved

Project Euler: Problem 4, Palindromic numbers

A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 ...

7 months ago

Solved

Project Euler: Problem 9, Pythagorean numbers

A Pythagorean triplet is a set of three natural numbers, a b c, for which, a^2 + b^2 = c^2 For example, 3^2 + 4^2 =...

7 months ago

Solved

Project Euler: Problem 8, Find largest product in a large string of numbers

Find the greatest product of five consecutive digits in an n-digit number. 73167176531330624919225119674426574742355349194934...

7 months ago

Solved

Project Euler: Problem 7, Nth prime

By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the Nth prime nu...

7 months ago

Solved

Project Euler: Problem 3, Largest prime factor

The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...

7 months ago

Solved

Project Euler: Problem 5, Smallest multiple

2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder. What is the smalle...

7 months ago

Solved

Project Euler: Problem 2, Sum of even Fibonacci

Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

7 months ago

Solved

Project Euler: Problem 10, Sum of Primes

The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below the input, N. Thank you <http:/...

7 months 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 ...

7 months ago

Solved

I Plead the Fifth

Write a function to provide a yes or no answer to the input string. However, it must plead the 5th amendment (return an empty st...

7 months ago

Solved

Mysterious digits operation (easy)

What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...

9 months ago

Solved

Set a diagonal

Given a matrix M, row vector v of appropriate length, and diagonal index d (where 0 indicates the main diagonal and off-diagonal...

9 months ago

Solved

Determine the number of odd integers in a vector

Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

9 months ago

Solved

String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values

<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

9 months ago

Solved

Cell Counting: How Many Draws?

You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

9 months ago

Solved

Convert a Cell Array into an Array

Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'

9 months ago

Solved

Remove element(s) from cell array

You can easily remove an element (or a column in any dimension) from a normal matrix, but assigning that value (or range) empty....

9 months ago

Solved

Split a string into chunks of specified length

Given a string and a vector of integers, break the string into chunks whose lengths are given by the elements of the vector. Ex...

9 months ago

Solved

Fix the last element of a cell array

Note: this is lifted directly from <http://www.mathworks.com/matlabcentral/answers/82825-puzzler-for-a-monday Puzzler for a Mond...

9 months ago

Solved

Can we make a triangle?

Given three positive number, check whether a triangle can be made with these sides length or not. remember that in a triangle su...

9 months ago

Solved

Find the sides of an isosceles triangle when given its area and height from its base to apex

Find the sides of an isosceles triangle when given its area and the height from its base to apex. For example, with A=12 and ...

9 months ago

Solved

Height of a right-angled triangle

Given numbers a, b and c, find the height of the right angled triangle with sides a and b and hypotenuse c, for the base c. If a...

9 months ago

Solved

Right Triangle Side Lengths (Inspired by Project Euler Problem 39)

If _p_ is the perimeter of a right angle triangle with integral length sides, { _a_, _b_, _c_ }, there are exactly three solutio...

9 months ago

Solved

Find my daddy long leg (No 's')

Given the ratio of the two legs (longer / shorter), and the hypotenuse length, find the value of the bigger leg.

9 months ago