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ChrisR


Last seen: 1 giorno ago
2.121 total contributions since 2015

Faculty member in civil & environmental engineering

ChrisR's Badges

  • Strings I Master
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  • Cody Problems in Japanese Master
  • Promoter
  • Magic Numbers II Master
  • Sequences And Series I Master
  • ASEE Challenge Master
  • Matrix Patterns II Master
  • Number Manipulation II Master
  • Indexing II Master
  • Leader
  • Puzzler
  • Indexing I Master
  • Number Manipulation I Master
  • Speed Demon

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Solved


Distance Travelled by Vehicle

1 giorno ago

Solved


find the index of a number

1 giorno ago

Solved


Divide the Least Common Multiple by the Greatest Common Divisor of two numbers
Divide the Least Common Multiple by the Greatest Common Divisor of two numbers. For example, for x=12345 and y=54321, the answer...

1 giorno ago

Solved


World Cup 2018 Prediction!
Which team will be the winner?

3 giorni ago

Solved


Outlier number!
Find a number which has maximum distance from the mean value of vector A. Example: A=[5 2 1 5 6 2 5 9] y=9

3 giorni ago

Solved


Happy Free Wednesday!
Just submit your solution on any Wednesday. *Related Challenges:* # Happy Free Wednesday! # Happy Free 2019! # Happy Fr...

3 giorni ago

Solved


N-Cards Problem
You have a deck of _N_ cards numbered in order from 1 to _N_. You discard the top card (card 1) and place the next card (card 2)...

3 giorni ago

Solved


Too Many Zeros, Dump Them!
Sometimes when I create a matrix, I use this syntax: a = zeros(1000,1000); But when the function ends, I find that I don'...

3 giorni ago

Solved


Calculate mean value of any pair in a vector.
Given a vector A, calculate the mean of 2 number in the vector one by one. example: input: A=[1, 5, 6, 8, 9, 15] output:...

4 giorni ago

Solved


Duration of a trip in minutes
Input is a string which includes the duration of a trip. Convert the duration to minutes. For example if the duration of a t...

4 giorni ago

Solved


Go back n times
You will be given a column vector (such as x = [1; 2; 3; 4; 5; 6]). If (n=3) you will return following; [ 1 NaN NaN NaN ...

4 giorni ago

Solved


collision
several cars (n) were involved in this collision, the input matrix (vm) has n rows and two columns, first column for velocity an...

4 giorni ago

Solved


find "greatest common divisor" of two integer value
A function to find Greatest Common Divisor of two integer input E.G. x=-18 y=96 output should be +6 x=-18; y=96; >>your...

5 giorni ago

Solved


iteration of N blank spot
we have N spot which can be blank o filled calculate the number of iteration for these spots. e.g. N=2 1- blank blank 2- bl...

5 giorni ago

Solved


Multiply Column
Given two input, one matrix and one scalar number For example A is a matrix given A = [ 1 2 2 5 2 5 2 3 4 6...

6 giorni ago

Solved


Set zero

6 giorni ago

Problem


Find the nth Fibbinary number

6 giorni ago | 1 | 3 solvers

Solved


Leaking?
Graham's law states that the rate of effusion of a gas is inversely proportional to the square root of its molecular weight. A b...

7 giorni ago

Problem


Determine the Zeckendorf expansion of a number

7 giorni ago | 1 | 5 solvers

Solved


Construct a prime circle
A <https://mathworld.wolfram.com/PrimeCircle.html prime circle> is a circular arrangement of the numbers 1 to 2n such that pairs...

7 giorni ago

Solved


imaginary

7 giorni ago

Solved


NaN

7 giorni ago

Solved


Swap

7 giorni ago

Solved


Real

7 giorni ago

Solved


Matrix operation

7 giorni ago

Solved


Size

7 giorni ago

Solved


Seperate 2nd column in a matrix

7 giorni ago

Solved


Product of elements in a column

7 giorni ago

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