# Kin Sung Chan

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RANK**10,151** of 19,908

REPUTATION**57**

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CONTRIBUTIONS**4** Files

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ALL TIME DOWNLOADS**478**

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**Feeds**

Why won't the editor display Chinese characters?

Well, I use VSCode to open the Matlab .m file, and resave with GBK encoding. (bottom right button of the VSCode interface next t...

1 year ago | 0

Why I can not read comments in Chinese in my Mfile?

Well, I use VSCode to open the Matlab .m file, and resave with GBK encoding. (bottom right button of the VSCode interface next t...

1 year ago | 0

Submitted

Convert Videos to JPG

Convert recorded lecture to jpg so that I can import to powerpoint.

3 years ago | 1 download |

Submitted

Finding the Eigenvectors of Normal Distribution (2D)

This program is for educational purpose. It helps to understand how SVD can help in decomposing 2 dimensional data into eigenvec...

3 years ago | 2 downloads |

Submitted

Align/Rotate Point Cloud Along Z direction based on PCA

Align point cloud of arbitrary shape and direction along z-axis based on PCA analysis.

4 years ago | 1 download |

Solved

Getting the indices from a vector

This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

4 years ago

Solved

Swap the input arguments

Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

4 years ago

Solved

Reverse the vector

Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

4 years ago

Solved

Generate a vector like 1,2,2,3,3,3,4,4,4,4

Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

4 years ago

Submitted

Inpaint NaN using Griddata

Inpaint: Substitute a matrix that has some nan values with interpolated values.

4 years ago | 1 download |

Solved

Interpolator

You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

4 years ago

Solved

Read a column of numbers and interpolate missing data

Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

4 years ago

Solved

Length of the hypotenuse

Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

4 years ago

Why does transforming with affine3D yield different result than multiplying with transfomation matrix?

ptCloud = pointCloud(rand(10000,3,'single')); moveRight = [1 0 0 0; ... 0 1 0 0; ... 0 0 1 0; ......

4 years ago | 0

Constrained Polynomial Regression

One way is to use the fittype and fix the lower and upper bound. (x,y) are some vectors that you want to fit. The good thing...

5 years ago | 0

Solved

Find the alphabetic word product

If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....

7 years ago

Solved

Pascal's Triangle

Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

7 years ago

Solved

Cell joiner

You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

7 years ago

Solved

Nearest Numbers

Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

7 years ago

Solved

Return the largest number that is adjacent to a zero

This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

7 years ago

Solved

Bullseye Matrix

Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

7 years ago

Solved

Target sorting

Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

7 years ago

Solved

Which values occur exactly three times?

Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

7 years ago

Solved

The Goldbach Conjecture

The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

7 years ago

Solved

Remove the vowels

Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

7 years ago

Solved

Sort a list of complex numbers based on far they are from the origin.

Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

8 years ago

Solved

Summing digits

Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

8 years ago

Solved

Who Has the Most Change?

You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

8 years ago

Solved

Return the 3n+1 sequence for n

A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

8 years ago

Solved

Back and Forth Rows

Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

8 years ago