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Your job is to tidy up a list of words that appear in a string. The words are separated by one or more spaces. Remove all words ...

Solve this!

Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

Regardless of input, output the string 'yes'.

Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

3 years ago

Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

Given a collection of points, return the indices of the rows that contain the two points most distant from one another. The inpu...

Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

Given the input n, return true if n is odd or false if n is even.

Given a and b, return the sum a+b in c.

Given a string s representing a list of numbers, find the five consecutive numbers that multiply to form the largest number. Spe...

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

Given a string with text and digits, add all the numbers together. Examples: Input str = '4 and 20 blackbirds baked in a...

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

Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

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

Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

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