Community Profile

photo

Yue

MathWorks

Last seen: meer dan een jaar ago |  Active since 2022

Followers: 0   Following: 0

Statistics

  • Combinatorics I Master
  • Promoter
  • Community Group Solver
  • Solver

View badges

Feeds

View by

Solved


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...

bijna 2 jaar ago

Solved


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

bijna 2 jaar ago

Solved


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 ....

bijna 2 jaar ago

Solved


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

bijna 2 jaar ago

Solved


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 ...

bijna 2 jaar ago

Solved


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...

bijna 2 jaar ago

Solved


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...

bijna 2 jaar ago

Solved


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...

bijna 2 jaar ago

Solved


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...

bijna 2 jaar ago

Solved


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...

bijna 2 jaar ago

Solved


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 ... ...

bijna 2 jaar ago

Solved


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...

bijna 2 jaar ago

Solved


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. ...

bijna 2 jaar ago

Solved


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 <=...

bijna 2 jaar ago

Solved


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)* ...

bijna 2 jaar ago

Solved


Total energy

bijna 2 jaar ago

Solved


Potential energy calculation

bijna 2 jaar ago

Solved


Kinetic energy calculation

bijna 2 jaar ago

Solved


Laws of motion 1

bijna 2 jaar ago

Solved


Laws of motion 2

bijna 2 jaar ago

Solved


Laws of motion 3

bijna 2 jaar ago

Solved


Laws of motion 4
Given the initial velocity 'u', final velocity 'v' and acceleration 'a', find the distance travelled.

bijna 2 jaar ago

Solved


Laws of motion 5

bijna 2 jaar ago

Solved


Laws of motion 6

bijna 2 jaar ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

bijna 2 jaar ago