Community Profile

# Ngo Minh Ngoc

191 total contributions since 2019

View details...

Contributions in
View by

Solved

De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

4 hours 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...

5 hours ago

Solved

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

6 hours ago

Solved

Flip the bit
Given an input character string (e.g. '1001'), return a character string with the bits flipped ('0110').

6 hours ago

Solved

Remove NaN ?
input -> matrix (n*m) with at least one element equal to NaN; output -> matrix(p*m), the same matrix where we deleted the enti...

8 hours ago

Solved

Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

9 hours 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...

9 hours ago

Solved

Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

19 hours ago

Solved

Symmetry of vector
Determine whether the vector is symmetric or not (vector could be even or odd in length). For example: x = [1 2 3 3 2 1] ...

20 hours 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 ...

5 days ago

Solved

Divisible by 10
Pursuant to the <http://www.mathworks.com/matlabcentral/cody/problems/42404-divisible-by-2 first problem> in this series, this o...

5 days ago

Solved

Divisible by 5
Pursuant to the <http://www.mathworks.com/matlabcentral/cody/problems/42404-divisible-by-2 first problem> in this series, this o...

5 days ago

Solved

ASCii Code
Using matlab, give the symbol that is associated with ASCii code 122

7 days ago

Solved

ASCii Code
Using Matlab get the ASCii for '?'

7 days ago

Solved

Replacing a row
For matrix G=[1 2 3; 4 5 6; 7 8 9] Replace the 2nd row with 8s **remember to create matrix G

7 days ago

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....

7 days ago

Solved

Divisible by 2
This is the first problem in a set of "divisible by x" problems. You will be provided a number as a string and the function you ...

7 days ago

Solved

Is my wife right?
Regardless of input, output the string 'yes'.

7 days ago

Solved

Create a Matrix of Zeros
Given an input x, create a square matrix y of zeros with x rows and x columns.

14 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

multiply by three
Given the variable x as your input, multiply it by 3 and put the result equal to y. Examples: Input x = 2 Output y is ...

14 days ago

Solved

Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

14 days ago

Solved

First N Perfect Squares
*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];

16 days ago

Solved

Fibonacci-Sum of Squares
Given the Fibonacci sequence defined by the following recursive relation, * F(n) = F(n-1) + F(n-2) * where F(1) = 1 and F(1)...

25 days ago

Solved

Remove the Zero
Given an array n, remove all zeros

25 days ago

Solved

Love triangles
Given a vector of lengths [a b c], determines whether a triangle with non-zero area (in two-dimensional Euclidean space, smarty!...

27 days ago

Solved

Add a row of zeros on top of a matrix
Given a matrix, insert a row of zeros as the top row.

27 days ago

Solved

Speed of car
Calculate the Speed of car given its Distance travelled and time taken in x and y respectively

27 days ago

Solved

square root
Find the square root (y) of an input (x).

27 days ago

Solved

Area of a circle
Find the value for area of the circle if diameter is given

27 days ago