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# Chul Min Yeum

### University of Waterloo

477 total contributions since 2018

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

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Solved

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...

19 days ago

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

19 days ago

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Celsius to Kelvin
Convert Celsius degrees to Kelvin temperature.

19 days 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...

19 days ago

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Draw a '1' in a zero matrix!

19 days ago

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

19 days 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...

19 days 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 (...

19 days 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://...

19 days 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...

19 days 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...

19 days 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...

19 days 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://...

19 days 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...

19 days 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. ...

19 days ago

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Converts numbers into characters
Converts numbers into characters

19 days ago

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

19 days 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.

19 days 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

19 days 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;...

19 days ago

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

19 days ago

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

20 days ago

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

20 days ago

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Draw a '0' in a one matrix!

20 days ago

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to the 2 all elements
to the 2 all elements

20 days 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) ...

6 months 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 ...

8 months 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 ...

8 months 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...

8 months ago

Solved

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...

8 months ago