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Hoang Hong Hai


Last seen: 9 meses hace Con actividad desde 2022

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Programming Languages:
Python
Spoken Languages:
English

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  • Divisible by x Master
  • Draw Letters
  • Cody Problems in Japanese Master
  • Project Euler I
  • CUP Challenge Master
  • Community Group Solver
  • Introduction to MATLAB Master
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Find vampire numbers
A <http://en.wikipedia.org/wiki/Vampire_number vampire number> is a number v that is the product of two numbers x and y such th...

alrededor de 2 años hace

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Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

alrededor de 2 años hace

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Get all prime factors
List the prime factors for the input number, in decreasing order. List each factor. If the prime factor occurs twice, list it as...

alrededor de 2 años hace

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Numbers with prime factors 2, 3 and 5.
Make a function which takes one positive integer n and returns a matrix with the numbers of the form (2^i)*(3^j)*(5^k) which are...

alrededor de 2 años hace

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Proper Factors
Generate the proper factors of input integer x and return them in ascending order. For more information on proper factors, refer...

alrededor de 2 años hace

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Multiples of a Number in a Given Range
Given an integer factor _f_ and a range defined by _xlow_ and _xhigh_ inclusive, return a vector of the multiples of _f_ that fa...

alrededor de 2 años hace

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Smith numbers
Return true if the input is a Smith number in base ten. Otherwise, return false. Read about Smith numbers at <http://en.wikipedi...

alrededor de 2 años hace

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Prime factor digits
Consider the following number system. Calculate the prime factorization for each number n, then represent the prime factors in a...

alrededor de 2 años hace

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Divisible by n, prime divisors from 20 to 200
Pursuant to the previous problem (linked below), this problem requires a function that checks for divisibility of large numbers ...

alrededor de 2 años hace

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Divisible by n, prime divisors - 11, 13, 17, & 19
Divisibility checks against prime numbers can all be accomplished with the same routine, applied recursively, consisting of add ...

alrededor de 2 años hace

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Divisible by n, Composite Divisors
Pursuant to <http://www.mathworks.com/matlabcentral/cody/problems/42453-divisible-by-n-prime-vs-composite-divisors Divisible by ...

alrededor de 2 años hace

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Divisible by n, Truncated-number Divisors
Some divisors only require a few numbers at the end of the number in question to determine divisibility, no matter how long. Exa...

alrededor de 2 años hace

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Project Euler: Problem 3, Largest prime factor
The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime factor of the number being input, input might be ui...

alrededor de 2 años hace

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Divisible by n, prime divisors (including powers)
For this problem, you will be provided an array of numbers (not necessarily in order). Return the array of numbers with only pri...

alrededor de 2 años hace

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Divisible by n, prime vs. composite divisors
In general, there are two types of divisibility checks; the first involves composite divisors and the second prime divisors, inc...

alrededor de 2 años hace

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Divisible by 16
Write a function to determine if a number is divisible by 16. This can be done by a few different methods. Here are two: # If...

alrededor de 2 años hace

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Divisible by 15
Write a function to determine if a number is divisible by 15. If a number is <http://www.mathworks.com/matlabcentral/cody/proble...

alrededor de 2 años hace

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Divisible by 14
Write a function to determine if a number is divisible by 14. If a number is <http://www.mathworks.com/matlabcentral/cody/proble...

alrededor de 2 años hace

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Temperature Conversion 2

alrededor de 2 años hace

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Temperature Conversion 1

alrededor de 2 años hace

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Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

alrededor de 2 años hace

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Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

alrededor de 2 años hace

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Converts numbers into characters
Converts numbers into characters

alrededor de 2 años hace

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Find the max element of the array
Find the max element of the array

alrededor de 2 años hace

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Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

alrededor de 2 años hace

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Calculate the average value of the elements in the array
Calculate the average value of the elements in the array

alrededor de 2 años hace

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to the 2 all elements
to the 2 all elements

alrededor de 2 años hace

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the average value of the elements
Calculate the average value of the elements in the array

alrededor de 2 años hace

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Double all elements in the array
Duplicate all elements in the array

alrededor de 2 años hace

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