Kin Sung Chan

Last seen: 10 maanden ago | Active since 2016

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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...

bijna 2 jaar ago | 0

Answered
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...

bijna 2 jaar ago | 0

Submitted

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

meer dan 3 jaar 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...

meer dan 3 jaar ago | 1 download |

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.

meer dan 4 jaar ago | 2 downloads |

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....

meer dan 4 jaar 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 = ...

meer dan 4 jaar 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]

meer dan 4 jaar 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...

meer dan 4 jaar ago

Submitted

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

meer dan 4 jaar ago | 3 downloads |

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...

ongeveer 5 jaar 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...

ongeveer 5 jaar 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....

ongeveer 5 jaar ago

Answered
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; ......

ongeveer 5 jaar ago | 0

Answered
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...

ongeveer 5 jaar 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, ....

ongeveer 8 jaar 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...

ongeveer 8 jaar 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...

ongeveer 8 jaar 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...

ongeveer 8 jaar 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...

ongeveer 8 jaar 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...

ongeveer 8 jaar 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...

ongeveer 8 jaar 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...

ongeveer 8 jaar 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 ...

ongeveer 8 jaar 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...

ongeveer 8 jaar 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...

ongeveer 8 jaar 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 + ...

ongeveer 8 jaar 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...

ongeveer 8 jaar 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...

ongeveer 8 jaar 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...

ongeveer 8 jaar ago

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