Community Profile

photo

Cuong Nguyen


Last seen: 2달 전 2021 이후 활성

Statistics

  • Community Group Solver
  • Project Euler I
  • Draw Letters
  • Introduction to MATLAB Master
  • CUP Challenge Master
  • Solver

배지보기

Content Feed

보기 기준

해결됨


Find nearest prime number less than input number
Find nearest prime number less than input number. For example: if the input number is 125, then the nearest prime number whi...

2달 전

해결됨


Largest Twin Primes
<http://en.wikipedia.org/wiki/Twin_prime Twin primes> are primes p1, p2 = p1 + 2 such that both p1 and p2 are prime numbers. Giv...

2달 전

해결됨


Mersenne Primes
A Mersenne prime is a prime number of the form M = 2^p - 1, where p is another prime number. For example, 31 is a Mersenne prim...

2달 전

해결됨


Mersenne Primes vs. All Primes
A Mersenne prime (M) is a prime number of the form M = 2^p - 1, where p is another prime number. <https://www.mathworks.com/matl...

2달 전

해결됨


Sophie Germain prime
In number theory, a prime number p is a *Sophie Germain prime* if 2p + 1 is also prime. For example, 23 is a Sophie Germain prim...

2달 전

해결됨


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

2달 전

해결됨


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...

2달 전

해결됨


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

2달 전

해결됨


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...

2달 전

해결됨


Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

2달 전

해결됨


Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

2달 전

해결됨


Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

2달 전

해결됨


Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

2달 전

해결됨


MATLAB Basic: rounding III
Do rounding towards minus infinity. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 8

2달 전

해결됨


Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. http://en.wikipedia.org/wiki/Whole_numb...

2달 전

해결됨


MATLAB Basic: rounding IV
Do rounding towards plus infinity. Example: -8.8, answer -8 +8.1 answer 9 +8.50 answer 9

2달 전

해결됨


MATLAB Basic: rounding II
Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

2달 전

해결됨


MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

2달 전

해결됨


Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

2달 전

해결됨


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 ...

2달 전

해결됨


Create a vector
Create a vector from 0 to n by intervals of 2.

2달 전

해결됨


Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

2달 전

해결됨


Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

2달 전

해결됨


Find max
Find the maximum value of a given vector or matrix.

2달 전

해결됨


Get the length of a given vector
Given a vector x, the output y should equal the length of x.

2달 전

해결됨


Inner product of two vectors
Find the inner product of two vectors.

2달 전

해결됨


Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

2달 전

해결됨


Can we make a triangle?
Given three positive number, check whether a triangle can be made with these sides length or not. remember that in a triangle su...

2달 전

해결됨


Find the sides of an isosceles triangle when given its area and height from its base to apex
Find the sides of an isosceles triangle when given its area and the height from its base to apex. For example, with A=12 and ...

2달 전

해결됨


Height of a right-angled triangle
Given numbers a, b and c, find the height of the right angled triangle with sides a and b and hypotenuse c, for the base c. If a...

2달 전

더로드