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**Content Feed**

Problem

Cricket - Report the Result (Part II: Test Matches)

Given two scalar strings representing the scores for a test match, return a string reporting the result in the appropriate form:...

3 months ago | 0 | 5 solvers

Problem

Cricket - You Miss, I Hit (Rank Bowlers by Proportion of Bowled and LBW Wickets)

Which bowlers threaten your stumps the most? Given a table of all wickets taken during some particular set of matches and two th...

3 months ago | 3 | 9 solvers

Problem

Cricket - Most Frequent Bowler-Batter Wicket Combinations

Given a table representing all wickets taken in a particular set of matches, return a table of the bowler-batter pairs that occu...

3 months ago | 1 | 10 solvers

Problem

Cricket - Career Bowling Statistics

Given a vector s of strings representing a bowler's individual innings records, return their career statistics as a 3-element (n...

3 months ago | 1 | 14 solvers

Problem

Cricket - Career Batting Statistics

Given a vector s of strings representing a batter's individual innings scores, return their career statistics as a 4-element (nu...

3 months ago | 1 | 16 solvers

Problem

Cricket - How Much More to Beat Bradman?

Sir Don Bradman famously needed only 4 runs in his final innings to retire with an average of 100. Out for a duck, he ended inst...

3 months ago | 1 | 19 solvers

Problem

Cricket - Average Partnership Contribution

The (infamous) Duckworth-Lewis method uses statistical models of how much each wicket partnership is worth to an innings (on ave...

3 months ago | 2 | 17 solvers

Problem

Cricket - Sort Batters by Distance Run

Given a string vector of batters' names, a vector of the total number of runs they scored, a vector of the number of 4s they sco...

3 months ago | 2 | 25 solvers

Solved

Find Closest Constant

Given a number x, return the value that is closest to x from this list of constants: 0, 1, , e, , (also known as ). For exampl...

3 months ago

Solved

Triangle Coordinates

Given a natural number n, return two -element vectors, x and y, containing the coordinates of a triangular arrangement of points...

3 months ago

Solved

Angle Between Analog Clock Hands

Given a datetime variable t, return the angle (in degrees) between the hour and minute hands of an analog clock at the time repr...

3 months ago

Solved

Boustrophedon

Given a vector v and a positive integer n, return an m-by-n matrix containing the elements of v row-wise, alternating left-to-ri...

3 months ago

Solved

Create block matrix of integers (j+k-1) - Part II

Given m, n, p, and q, create an m-by-n matrix made up of submatrices, each sized p-by-q (if possible - the last row and column o...

3 months ago

Solved

Create block matrix of integers (j+k-1) - Part I

Given m, n, p, and q, create a matrix of m-by-n blocks (submatrices), each sized p-by-q. The elements of the (j,k)th block all h...

3 months ago

Solved

Dartboard Average II

A dartboard arranges the numbers 1 to 20 such that each value is typically flanked by quite different values - for example, 20 i...

3 months ago

Solved

Dartboard Average I

A dartboard arranges the numbers 1 to 20 such that each value is typically flanked by quite different values - for example, 20 i...

3 months ago

Solved

Possible Rugby Scores

Given a natural number s (> 4), representing a rugby team's score, return an n-by-3 matrix representing all n possible combinati...

3 months ago

Solved

Split Even Number Into Two Primes

Given an even whole number n (> 2), return a 2-element vector of primes, p, such that p(1) + p(2) = n. Fun note: technically it...

3 months ago

Solved

Determine if Input is Oddish or Evenish (Odd/Even Sum of Digits)

Given a positive integer n, determine whether n is "oddish" or "evenish" - that is, whether the sum of the digits of n is odd or...

3 months ago

Solved

Extract the Acrostic Message

An acrostic cipher is a way of embedding one message within another by taking the first (or last) word of each line. Given a str...

3 months ago

Problem

Angle Between Analog Clock Hands

Given a datetime variable t, return the angle (in degrees) between the hour and minute hands of an analog clock at the time repr...

3 months ago | 2 | 44 solvers

Problem

Determine if Input is Oddish or Evenish (Odd/Even Sum of Digits)

Given a positive integer n, determine whether n is "oddish" or "evenish" - that is, whether the sum of the digits of n is odd or...

3 months ago | 2 | 102 solvers

Problem

Create block matrix of integers (j+k-1) - Part II

Given m, n, p, and q, create an m-by-n matrix made up of submatrices, each sized p-by-q (if possible - the last row and column o...

3 months ago | 1 | 42 solvers

Problem

Create block matrix of integers (j+k-1) - Part I

Given m, n, p, and q, create a matrix of m-by-n blocks (submatrices), each sized p-by-q. The elements of the (j,k)th block all h...

3 months ago | 2 | 49 solvers

Problem

Dartboard Average II

A dartboard arranges the numbers 1 to 20 such that each value is typically flanked by quite different values - for example, 20 i...

3 months ago | 1 | 45 solvers

Problem

Dartboard Average I

A dartboard arranges the numbers 1 to 20 such that each value is typically flanked by quite different values - for example, 20 i...

3 months ago | 1 | 61 solvers

Problem

Possible Rugby Scores

Given a natural number s (> 4), representing a rugby team's score, return an n-by-3 matrix representing all n possible combinati...

3 months ago | 3 | 46 solvers

Problem

Calculate Angle From Axis

Given coordinates x and y, an axis ("X" or "Y"), and a direction ("cw" or "ccw", meaning clockwise and counterclockwise, respect...

3 months ago | 4 | 54 solvers

Solved

Power Outages Histogram

Create a function that takes power outage data as an input and creates a histogram of the number of outages as a function of Reg...

4 months ago

Solved

Reproduce this plot!

Write a function that will take a dataset (x,y), a best fit model (model), and the upper and lower prediction bounds (lb,ub) for...

4 months ago