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Double Deal

*Description* Given an input vector _v_, return the first element as the first output, the second element as the second outpu...

ungefär 2 månader ago

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Infernal Recursion

Consider the recursion relation: x_n = (x_(n-1)*x_(n-2))^k Given x_1, x_2, and k, x_n can be found by this definition. Wr...

ungefär 2 månader ago

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Assign numerical values to a structure with 1 field

The aim is to assign values to a multidimensional structure *without using for-loop or while-loop* Example with a structure ...

ungefär 2 månader ago

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Project Euler 249: Prime Subset Sums

Inspired by Problem 249 of Project Euler. <https://projecteuler.net/problem=249> Let S = {2, 3, 5, ...} be the set of prime ...

2 månader ago

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Pandigital Multiples of 11 (based on Project Euler 491)

A "Pandigital number of order X" is one that contains all of the numbers from 0 to X, but with no leading zeroes. If X>9, the cy...

2 månader ago

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Find the area of the four walls

If length, breadth and height of the walls are given, find the area of the four walls.

2 månader ago

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Reverse a string

Reverse the given string. Example input = 'reverse' output = 'esrever'

2 månader ago

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Dice roll - opposite faces

For this problem, you will be provided with the values of a dice roll (regular six-sided dice). The number of dice will be at le...

2 månader ago

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Minefield Sonar

*Background* In mine-hunting games (e.g. Microsoft Minesweeper), the user is provided with a covered grid that, upon a left c...

2 månader ago

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Calculate the probability that at least two people in a group share the same birthday.

Calculate the probability that at least two people in a group share the same birthday. Given an integer input n, return to 0.015...

2 månader ago

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Special Relativity 101.

Special relativity states that the effective mass of an object varies as a function of its velocity. If *c* is the speed of ligh...

2 månader ago

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Mean ignoring NaNs

Define a function that behaves in the same way as mean(x) and mean(x,d) except that it ignores NaNs (unless all of the values be...

2 månader ago

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Determine whether one vector is a subset of another

While bumbling through a pair of problems in the Number Theory group, I wrote code to determine whether a vector is a subset of ...

2 månader ago

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Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed

Find the remaining side of a triangle given the hypotenuse and a side. However, the normal functions and symbols are not allowe...

3 månader ago

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Monte-Carlo integration

Write a function that estimates a d-dimensional integral to at least 1% relative precision. Inputs: * d: positive integer....

3 månader ago

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Numerical Integration

Input * |x0|, a real number greater than 0 Output * |I|, a numerical estimate of the integral x0 / I...

3 månader ago

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Differential equations I

Given a function handle |f| an initial condition |y0| and a final time |tf|, solve numerically the differential equation dy...

3 månader ago

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The Birthday Phenomenon

First off, leap years are not being considered for this. In fact the year that people are born shouldn't be taken into considera...

3 månader ago

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Throwing Dice - Will You Be Eaten By The Dragon?

You and a dragon have agreed to let dice rolls determine whether it eats you or not. The dragon will roll a single die, of x ...

3 månader ago

Solved

Chess probability

The difference in the ratings between two players serves as a predictor of the outcome of a match (the <http://en.wikipedia.org/...

3 månader ago

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Count the Number of Undirected Cycles in a Graph

Given a symmetric adjacency matrix, determine the number of unique undirected cycles. For example, the graph represented by adj...

3 månader ago