# Huy Cuong Nguyen

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**Content Feed**

Solved

Counting Sequence

Given a vector x, find the "counting sequence" y. A counting sequence is formed by "counting" the entries in a given sequence...

4 months ago

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Relative ratio of "1" in binary number

Input(n) is positive integer number Output(r) is (number of "1" in binary input) / (number of bits). Example: * n=0; r=...

4 months ago

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Sum of first n terms of a harmonic progression

Given inputs a, d and n, return the sum of the first n terms of the harmonic progression a, a/(1+d), a/(1+2d), a/(1+3d),....

4 months ago

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Find the diagonal of the square of side L

You are given a square of side length L, find D the length of its diagonal.

4 months ago

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Calculate the answer to life the universe and everything

<https://en.wikipedia.org/wiki/42_(number)>

4 months ago

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Odd times even numbers in a matrix

First count the number of odd numbers in x, then the number of even. Return their product. example: x = [1 2] One odd ...

4 months ago

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Modified Upper Matrix Mock

Given a vector v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 0 3 6 9 11; 0 0 6 9 11; 0 0 0 9 11; 0 0 0...

4 months ago

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Determine if input is divisible by three.

Given a positive integer, n, determine if n is divisible by 3. If yes, the function should output true. If no, false.

4 months ago

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Matlab Basics - Create a row vector

Write a Matlab script to create a row vector of 10 consecutive numbers x = [1 2 3 4 5 6 7 8 9 10]

4 months ago

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Transpose the Matrix

Transpose the given matrix, e.g. x=[a b;c d] transpose of x = [a c;b d]

4 months ago

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Reverse the Matrix

Given a Matrix A, reverse it. Such that, last element of A becomes 1st and vice versa. for example: Input = [1 2 3;4 5 ...

4 months ago

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Prime numbers between a , b.

Find all prime number between a & b (including a and b). example: a=100 b=120 y= [101 103 107 109 113]

4 months ago

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Love triangles

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

4 months ago

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Test

Answer the question and the correct answer write in vector. Only one answer is correct. 1a Yes 1b No 1c No 1d No ...

4 months ago

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Factorial Numbers

Factorial is multiplication of integers. So factorial of 6 is 720 = 1 * 2 * 3 * 4* 5 *6 Thus 6 factorial = factorial(720)....

4 months ago

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Matlab Basics II - Extract last 3 elements of a vector

Let x be a vector of unknown length, we are always interested in the last 3 numbers in the vector, write a function that gives t...

4 months ago

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Feeling lucky?

Guess which number Cody is thinking (1 to 10)? (This is a game of luck more than skill. Good luck!)

4 months ago

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Help the Patriots get to the Super Bowl

Given a football by the Patriots, return it to them with 2 psi less air in it. (The original psi is passed as a number to the...

4 months ago

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Where is the number that you want to find?

For a given matrix A, find where the input number x appears. Do this task by returning the vector which contains the row and th...

4 months ago

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choose the even number

find all even number in vector x Example: x = [1 2 3 4 5 6 7 8 9 10] y = [2 4 6 8 10]

4 months ago

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Happy Free Wednesday!

Just submit your solution on any Wednesday. *Related Challenges:* # Happy Free Wednesday! # Happy Free 2019! # Happy Fr...

4 months ago

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sum of first 'n' terms

Given n=10, find the sum of first 'n' terms Example: If n=10, then x=1,2,3,4,5,6,7,8,9,10. The sum of these n=10 terms is 55...

4 months ago