Huy Cuong Nguyen
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Solve all the problems in Cody Problems in Japanese problem group
Awarded to Huy Cuong Nguyen on 21 May 2021
Comment on a problem or solution
Awarded to Huy Cuong Nguyen on 21 May 2021
Like a problem or solution
Awarded to Huy Cuong Nguyen on 16 May 2021
Solve Project Euler problems using Matlab
Awarded to Huy Cuong Nguyen on 15 May 2021
Solve all the problems in Tiles Challenge
Awarded to Huy Cuong Nguyen on 04 Apr 2021
Solve all the problems in Draw Letters problem group
Awarded to Huy Cuong Nguyen on 01 Apr 2021
Solve a community group
Awarded to Huy Cuong Nguyen on 02 Mar 2021
Solve all the problems in CUP Challenge
Awarded to Huy Cuong Nguyen on 02 Mar 2021
Solve all the problems in Introduction to MATLAB problem group
Awarded to Huy Cuong Nguyen on 16 Feb 2021
Solve a problem for the first time
Awarded to Huy Cuong Nguyen on 27 Jan 2021
Content Feed
Solved
Matlab Basics - y as a function of x
Write a function to calculate y as a function of x, such that y = 6x^2 + 5x - 2
9 days ago
Solved
Matlab Basics - Pick out parts of a vector
Consider x a vector of length >= 7 (there are at least 7 elements in the vector, write a script that extracts the 2nd element, a...
9 days ago
Solved
Matlab Basics - Convert a row vector to a column vector
Write a script to convert a row (e.g. x = [1 2 3]) to a column (e.g. y = [1;2;3]), your script should be able to do this for any...
9 days ago
Solved
Basics: Divide integers to get integer outputs in all cases
Divide integers a and b in such a way that output y is always an integer (in ceil manner)
9 days ago
Solved
Tridiagonal
Return an n-by-n matrix that has a, b, c as the subdiagonal, main diagonal, and superdiagonal entries in the matrix. Example ...
11 days ago
Solved
Replace pattern 0 1 0 and 1 0 1
Find and replace a pattern in a row of zeroes and ones. * Find 1 0 1 and replace it with 1 1 1 * Find 0 1 0 and replace it w...
11 days ago
Solved
BULLSEYE Part 2: Reference Problem 18 BULLSEYE
Given n (always odd), return output a that has concentric rings of the 1s and 0s around the center point. Examples: Input ...
11 days ago
Solved
Generate this matrix
For a given odd integer n, generate a matrix as follows: Input: n = 5; Output: [ 2 1 0 0 0 1 ...
12 days ago
Solved
Time Expansion
How can you slow down any discrete-time signal? Example Input original signal x. x = [1 2 3 -1 -2 -5 -4] We want t...
12 days ago
Solved
Another colon problem
This is simple problem based on problems 555, 801, 1118, etc. Create an index vector from two input vectors. Example: ...
12 days ago
Solved
expand intervals
You're given a row vector of an even number of monotonically increasing integers. Each pair of consecutive integers is the lower...
12 days ago
Solved
generate number in particular way
A = [1 5 2 7]; MAX = 10; generate a array Y = [1 2 2 2 2 2 3 3 4 4]; i.e. total eleme...
12 days ago
Solved
Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];
14 days ago
Solved
Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...
14 days ago
Solved
vectorization in N
For a given integer n (n>1), compute the sum f (i) (1 <= i <= n) where f (i) = 1 if n is odd and 2 otherwise.
14 days ago
Solved
Matlab Basics II - Intervals
Write a function that takes an interval from a to b, and divides it into 5 parts example: a = 1, b = 2 output = 1 1.25 ...
14 days ago
Solved
Matlab Basics II - Create a vector with a repeated entry
Create a row vector of length n, filled with 4's, for example, if n = 3 output = [4 4 4] make sure to round UP when n is a...
14 days ago
Solved
Matlab Basics - Rounding I
Write a script to round x DOWN to the next lowest integer: e.g. x = 2.3 --> x = 2 also: x = 2.7 --> x = 2
14 days ago
Solved
Matlab Basics II - squares
Write a function that takes matrix A, and squares each element in the matrix example: A = [1 2 3] output = [1 4 9]
14 days ago
Solved
Find Out sum of principal diagonal element of given matrix
Find out sum of principal diagonal element of given matrix If A=[1 0 0; 0 1 0;0 0 1], then answer must be 3.
14 days ago
Solved
Approximation of Pi (vector inputs)
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given numbe...
14 days ago
Solved
Sum My Indices
Given inputs M and N (in that order), output an MxN matrix whose entries are equal to the sum of their indices. Example input...
17 days ago
Solved
S-T-R-E-T-C-H I-T O-U-T
You will be given a row of numbers (x), and a single number (n). Your job is to write a script that will stretch out the row of...
17 days ago
Solved
Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
For a row vector: V=[7 1 2 -3] there is one sign change (from 2 to -3). So, the function you write must return N=1. F...
18 days ago
Solved
Insert zeros into vector
Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...
18 days ago
Solved
Max Change in Consecutive Elements
If an array is given as input then find the index of consecutive elements that represent maximum change. Example: Input ...
18 days ago
Solved
Back to basics - mean of corner elements of a matrix
Calculate the mean of corner elements of a matrix. e.g. a=[1 2 3; 4 5 6; 7 8 9;] Mean = (1+3+7+9)/4 = 5
18 days ago
