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Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

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3 years ago

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

There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

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...

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...

Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

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

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

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

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

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 ...

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

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.

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

Mimic the higher-order function |foldl| ( <http://en.wikipedia.org/wiki/Fold_%28higher-order_function%29 Wikipedia:Fold (higher-...

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 ...

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

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