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Joel Hottinger


Last seen: 9 månader ago Active since 2021

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Make O-spins legal

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  • MATLAB Central Treasure Hunt Finisher
  • Thankful Level 1
  • ASEE Challenge Master
  • Draw Letters
  • Sequences And Series I Master
  • Magic Numbers Master
  • Cody Challenge Master
  • CUP Challenge Master
  • Speed Demon
  • Project Euler I
  • Number Manipulation I Master
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Solved


Create a square matrix of multiples
Given an input, N, output a matrix N x N with each row containing multiples of the first element of each row. This also applies...

10 månader ago

Solved


Count photos
Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total nu...

10 månader ago

Solved


How many offices does MathWorks have in the UK
Please write a function that returns the number of offices MathWorks has in the UK.

10 månader ago

Solved


Sum of series IX
What is the sum of the following sequence: Σ 1/k! for k=1...n for different n?

10 månader ago

Solved


Sum of series VIII

10 månader ago

Solved


Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

10 månader ago

Solved


Sum of series
a(n) = n^2 - (n-1)^2 find the summation of the series upto n i.e. a(1)+a(2)+...+a(n)

10 månader ago

Solved


Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

10 månader ago

Solved


Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

10 månader ago

Solved


Sum of series IV
What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?

10 månader ago

Solved


Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

10 månader ago

Solved


Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

10 månader ago

Solved


Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

10 månader ago

Solved


Spot the outlier
All points except for one lie on a line. Which one is the outlier? Example: You are given a list of x-y pairs in a column ...

10 månader ago

Solved


Find a subset that divides the vector into equal halves
Given a vector x, return the indices to elements that will sum to exactly half of the sum of all elements. Example: Inpu...

10 månader ago

Solved


Make a run-length companion vector
Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...

10 månader ago

Solved


How many trades represent all the profit?
Given a list of results from trades made: [1 3 -4 2 -1 2 3] We can add them up to see this series of trades made a profit ...

10 månader ago

Solved


Given a window, how many subsets of a vector sum positive
Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

10 månader ago

Solved


Implement simple rotation cypher
If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...

10 månader ago

Solved


Flag largest magnitude swings as they occur
You have a phenomenon that produces strictly positive or negative results. delta = [1 -3 4 2 -1 6 -2 -7]; Marching through thi...

10 månader ago

Solved


How long is the longest prime diagonal?
Stanislaw Ulam once observed that if the counting numbers are arranged in a spiral, the prime numbers contained in it form a sur...

10 månader ago

Solved


Find the biggest empty box
You are given a matrix that contains only ones and zeros. Think of the ones as columns in an otherwise empty floor plan. You wan...

10 månader ago

Solved


Draw a '4' in a zero matrix!

10 månader ago

Solved


Draw a '6' in a zero matrix!

10 månader ago

Solved


Draw a '9' in a zero matrix!

10 månader ago

Solved


Draw a '7' in a zero matrix!

10 månader ago

Solved


Draw a '8' in a zero matrix!

10 månader ago

Solved


Draw a '3' in a zero matrix!

10 månader ago

Solved


Draw a '2' in a zero matrix!

10 månader ago

Solved


Draw a '5' in a zero matrix!

10 månader ago

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