Community Profile

photo

Ben Westcott

MathWorks

Last seen: ein Tag vor |  Aktiv seit 2021

Followers: 0   Following: 0

Statistiken

  • Commenter
  • Promoter
  • Community Group Solver
  • Solver

Abzeichen anzeigen

Feeds

Anzeigen nach

Gelöst


Repopulate the City
For any population p of positive integers between pmin and pmax, we can calculate histogram count n for a list of evenly dividin...

fast 2 Jahre vor

Gelöst


Energy Conversion 2

fast 2 Jahre vor

Gelöst


Energy Conversion 1

fast 2 Jahre vor

Gelöst


Velocity Conversion
Given a velocity in mph, convert it to km/h. Round the answer to the fourth decimal place.

fast 2 Jahre vor

Gelöst


Area Conversion 2

fast 2 Jahre vor

Gelöst


Area Conversion 1

fast 2 Jahre vor

Gelöst


Mass Conversion 2

fast 2 Jahre vor

Gelöst


Mass Conversion 1

fast 2 Jahre vor

Gelöst


Temperature Conversion 3

fast 2 Jahre vor

Gelöst


Temperature Conversion 2

fast 2 Jahre vor

Gelöst


Temperature Conversion 1

fast 2 Jahre vor

Gelöst


Usage of java.math : N Choose K with unlimited precision
Calculate the binomial coefficient nchoosek with full accuracy. This challenge may use the wonderful word of java.math that allo...

fast 2 Jahre vor

Gelöst


Numbered lottery balls into cells
You are running a lottery, and have a number of different balls numbered 1 to N. Your job is to figure out how many different w...

fast 2 Jahre vor

Gelöst


Get ranking of a combination looking for speed.
I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...

fast 2 Jahre vor

Gelöst


Create Combination
Motivation: In many problems, we need to create combinations with the function nchoosek. In some cases, however, choices are lim...

fast 2 Jahre vor

Gelöst


A (wrong) place for everything, and everything in its (wrong) place
You have an equal number of cups and balls, each labelled from one to N. You randomly place one ball in each cup. Determine th...

fast 2 Jahre vor

Gelöst


N-th permutation.
Let write some permutations of positive integers. 1: 1 2 3 4 5 6 ... 2: 2 1 3 4 ... 3: 1 3 2 4 ... ...

fast 2 Jahre vor

Gelöst


Which permutation is it?
Let write some permutations of positive integers. 1: 1 2 3 4 5 6 ... 2: 2 1 3 4 ... 3: 1 3 2 4 ....

fast 2 Jahre vor

Gelöst


Next lexicographic - permutation
Find next lexicographic - permutation (permutations as it would occur in a dictionary order). E.g: nextP('ABCD') = ABDC If you...

fast 2 Jahre vor

Gelöst


Get ranking of a combination
I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...

fast 2 Jahre vor

Gelöst


Put m balls into n boxes (again)
According to <http://www.mathworks.com/matlabcentral/cody/problems/1516-put-m-balls-into-n-boxes Cody Problem 1516>, if I put 3 ...

fast 2 Jahre vor

Gelöst


Put m balls into n boxes
Can you find all the cases where, if I put 3 balls into 2 boxes the case is 1 1 1 1 1 2 1...

fast 2 Jahre vor

Gelöst


Possible Outcomes of American Roulette
The payout for American roulette can be calculated by: payout = (38/n)-1 where n is the number of squares the bet covers. ...

fast 2 Jahre vor

Gelöst


Combinations without using nchoosek
You have to generate a matrix with all possible combinations of n elements *taken 2* at a time, *without using nchoosek(1:n,2)* ...

fast 2 Jahre vor

Gelöst


NCHOOSEK - Time Optimization
*Input* * *V* —— Set of all choices, a vector of N, 1 < N < 100 * *K* —— Number of selected choices, a scalar, 0 <= K <=...

fast 2 Jahre vor

Gelöst


Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

fast 2 Jahre vor

Gelöst


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

fast 2 Jahre vor

Gelöst


Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2 3 3 3 4...

fast 2 Jahre vor

Gelöst


Fibonacci sequence
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...

fast 2 Jahre vor

Gelöst


Make a checkerboard matrix
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. Examp...

fast 2 Jahre vor

Mehr laden