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Length of a short side

Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

6 years ago

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Length of the hypotenuse

Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

6 years ago

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Area of an equilateral triangle

Calculate the area of an equilateral triangle of side x. <<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...

6 years ago

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Side of an equilateral triangle

If an equilateral triangle has area A, then what is the length of each of its sides, x? <<http://upload.wikimedia.org/wikipe...

6 years ago

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Side of a rhombus

If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<http://upload.wikimedia.org/wikipe...

6 years ago

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Area of an Isoceles Triangle

An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...

6 years ago

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Is this triangle right-angled?

Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

6 years ago

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Find a Pythagorean triple

Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

6 years ago

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Dimensions of a rectangle

The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

6 years ago

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Is this triangle right-angled?

Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

6 years ago

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Triangle sequence

A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...

6 years ago

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Tax Season ! How much is my salary?

Tax Season! I was employed for a period from x until y in a year and I get pay check of amount z on every alternate Friday of th...

6 years ago

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Langston's Ant

The <http://en.wikipedia.org/wiki/Langton%27s_ant Langston's Ant> Challenge is to determine the number of Black squares after K ...

6 years ago

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Let's get back to school, and create multiplication tables

For a given range, create multiplication tables. (start is always < endno) Example start = 17 endno = 19 Then, ...

6 years ago

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Dealfun (1.0)

*Short description.* Write a function _dealfun_: [y1,y2,...,yn]=dealfun(fhandle,x1,x2,...,xn) which evaluates the f...

6 years ago

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Which way to go?

Given an m*n grid, How many ways are there to go from upper left corner to the lower right one? You can only move right...

6 years ago

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Rainbow matrix

Create a "rainbow matrix" as described in the following examples Input = 3 Output = [ 1 2 3 2 3 2 ...

6 years 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...

6 years ago

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Mysterious digits operation (easy)

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

6 years ago

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Flip the bit

Given an input character string (e.g. '1001'), return a character string with the bits flipped ('0110').

6 years ago

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Multiply 2 numbers

Very easy, you just have to multiply 2 numbers but you cannot use the following signs (*, /, - ,^) ,mtimes , times, cross, pro...

6 years ago

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The Answer to Life, the Universe, and Everything

A variation of a previous Hitchhiker's Guide to the Galaxy problem. *Inputs:* Life, the Universe, and Everything *Output:*...

6 years ago

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Which quadrant?

Given a complex number, output quadrant 'I' 'II' 'III' or 'IV' | II | I | ...

6 years ago

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Say something funny

Say something funny, or not. Your solution will be (fully automatically and objectively) scored based on how clever or funny ...

6 years ago

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Back to basics 3 - Temp Directory

Covering some basic topics I haven't seen elsewhere on Cody. Return a string that is the path to the system's current temp di...

6 years ago

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Back to basics 25 - Valid variable names

Covering some basic topics I haven't seen elsewhere on Cody. Given a string, return true if it is a valid MATLAB variable nam...

6 years ago

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Replace May with April

For instance, if the input is input_str = 'The flowers may bloom in April'; then the output is output_str = 'The flo...

6 years ago

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Back to basics 5 - Clipboard

Covering some basic topics I haven't seen elsewhere on Cody. Copy the input string to the clipboard

6 years ago

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Flip the main diagonal of a matrix

Given a n x n matrix, M, flip its main diagonal. Example: >> M=magic(5); >> flipDiagonal(M) 9 24 1 ...

6 years ago

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Make a 1 hot vector

Make a vector of length _N_ that consists of all zeros except at index _k_, where it has the value 1. Example: Input ...

6 years ago