Community Profile # Chul Min Yeum

### University of Waterloo

Last seen: 18 days ago Active since 2018

Assistant Professor, Civil and Environment Engineering, University of Waterloo (https://cviss.net)

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Sudoku square
We have a small Sudoku square, but one number is missing. x = [ 1 5 4 8 6 3 0 9 7 ] Make a function, wher...

7 months ago

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Rounding
Round 10.67 and make 'y' equal to that number.

7 months ago

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Celsius to Kelvin
Convert Celsius degrees to Kelvin temperature.

7 months ago

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Reindex a vector
You are given two vectors of equal length. Vector N has numeric values (no Inf or NaN) while vector IDX has integers. Place th...

7 months ago

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Draw a '1' in a zero matrix!

7 months ago

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Box
Give the volume of a box, x is equal to the body diagonal.

7 months ago

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Mid-term report
You just got your mid-term report, but it's full of ones and twos :(. So before you give it to your parents, you change it, in o...

7 months ago

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Stairs
Make an n by n matrix, where the elements are ones and zeros. In the main diagonal, and under that, there should be only ones (...

7 months ago

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Spot the First Occurrence of 5
This problem series invites you to solve two simple problems related to the integer NUMBER FIVE, in order to celebrate <https://...

7 months ago

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Octoberfest festival
A group of students decided to visit Octoberfest festival. First they ordered one beer, then after half-hour they taken one more...

7 months ago

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Missing five
Convert decimal numbers to a base-9 notation missing the digit *5* <<http://www.alfnie.com/software/missing5.jpg>> Too man...

7 months ago

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Write a function to provide a yes or no answer to the input string. However, it must plead the 5th amendment (return an empty st...

7 months ago

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The Top 5 Primes
This problem series invites you to solve two simple problems related to the integer NUMBER FIVE, in order to celebrate <https://...

7 months ago

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Breaking Out of the Matrix
Do you want to take the Red Pill, or the Blue Pill? If you take the Blue Pill, you will simply pass along to the next problem...

7 months ago

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Is this is a Tic Tac Toe X Win?
For the game of <https://en.wikipedia.org/wiki/Tic-tac-toe Tic Tac Toe> we will be storing the state of the game in a matrix M. ...

7 months ago

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Converts numbers into characters
Converts numbers into characters

7 months ago

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Find the max element of the array
Find the max element of the array

7 months ago

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Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

7 months ago

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Calculate the average value of the elements in the array
Calculate the average value of the elements in the array

7 months ago

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Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

7 months ago

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the average value of the elements
Calculate the average value of the elements in the array

7 months ago

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Double all elements in the array
Duplicate all elements in the array

7 months ago

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calculate the length of matrix
input 1 array, calculate the length

7 months ago

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Draw a '0' in a one matrix!

7 months ago

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to the 2 all elements
to the 2 all elements

7 months ago

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Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

1 year ago

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Find the average of a random sequance
Write a function that generates random integers within a loop, and calculates the mean of the positive numbers only. At each ...

1 year ago

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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 ...

1 year ago

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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 thr...

1 year ago

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Separate even from odd numbers in a vector - with a loop
*Using a loop*, rearrange a vector of integers such that the odd numbers appear at the beginning, and even numbers at the end. T...

1 year ago