Community Profile

photo

KenC


Last seen: 3개월 전 2017년부터 활동

통계

All
  • Project Euler I
  • Community Group Solver
  • Introduction to MATLAB Master
  • Solver
  • Thankful Level 1

배지 보기

Content Feed

보기 기준

문제를 풀었습니다


Project Euler: Problem 16, Sums of Digits of Powers of Two
2^15 = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26. What is the sum of the digits of the number 2^N? Thanks ...

1년 초과 전

문제를 풀었습니다


Longest Collatz Sequence
Inspired by Projet Euler n°14. The Collatz iterative sequence (See Cody problem n° 2103 and 211) is defined for the set of po...

1년 초과 전

문제를 풀었습니다


Large Sum (inspired by Project Euler 13)
Your function will be provided an arbitrary number of numbers of arbitrary sizes as a cell array of strings. Some numbers will b...

1년 초과 전

문제를 풀었습니다


Divisors for big integer
Inspired by Problem 1025 and Project Euler 12. Given n, return the number y of integers that divide N. For example, with ...

1년 초과 전

문제를 풀었습니다


Highly divisible triangular number (inspired by Project Euler 12)
Triangular numbers can be calculated by the sum from 1 to n. For example, the first 10 triangular numbers are: 1, 3, 6, 10, ...

1년 초과 전

문제를 풀었습니다


Sum of big primes without primes
Inspired by Project Euler n°10 (I am quite obviously a fan). With problem n°250 by Doug, you can find some global methods to ...

거의 2년 전

문제를 풀었습니다


Sums of cubes and squares of sums
Given the positive integers 1:n, can you: 1. Compute twice the sum of the cubes of those numbers. 2. Subtract the square...

거의 2년 전

문제를 풀었습니다


Project Euler: Problem 10, Sum of Primes
The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below the input, N. Thank you <http:/...

대략 2년 전

문제를 풀었습니다


Project Euler: Problem 9, Pythagorean numbers
A Pythagorean triplet is a set of three natural numbers, a b c, for which, a^2 + b^2 = c^2 For example, 3^2 + 4^2 =...

대략 2년 전

문제를 풀었습니다


Project Euler: Problem 8, Find largest product in a large string of numbers
Find the greatest product of five consecutive digits in an n-digit number. 73167176531330624919225119674426574742355349194934...

대략 2년 전

문제를 풀었습니다


Project Euler: Problem 7, Nth prime
By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the Nth prime nu...

2년 초과 전

문제를 풀었습니다


Project Euler: Problem 6, Natural numbers, squares and sums.
The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...

2년 초과 전

문제를 풀었습니다


Project Euler: Problem 5, Smallest multiple
2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder. What is the smalle...

2년 초과 전

문제를 풀었습니다


Project Euler: Problem 4, Palindromic numbers
A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 ...

2년 초과 전

문제를 풀었습니다


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...

2년 초과 전

문제를 풀었습니다


Project Euler: Problem 2, Sum of even Fibonacci
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

2년 초과 전

문제를 풀었습니다


Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

2년 초과 전

문제를 풀었습니다


String Array Basics, Part 2: Convert String Array to Cell Array; No Missing Values
<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

대략 3년 전

문제를 풀었습니다


String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values
<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

대략 3년 전

문제를 풀었습니다


Cell Counting: How Many Draws?
You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

대략 3년 전

문제를 풀었습니다


Remove element(s) from cell array
You can easily remove an element (or a column in any dimension) from a normal matrix, but assigning that value (or range) empty....

대략 3년 전

문제를 풀었습니다


Convert a Cell Array into an Array
Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'

3년 초과 전

문제를 풀었습니다


Word Counting and Indexing
You are given a list of strings, each being a list of words divided by spaces. Break the strings into words, then return a maste...

3년 초과 전

문제를 풀었습니다


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

3년 초과 전

문제를 풀었습니다


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 ...

3년 초과 전

문제를 풀었습니다


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

3년 초과 전

문제를 풀었습니다


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 ...

3년 초과 전

문제를 풀었습니다


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

3년 초과 전

문제를 풀었습니다


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

3년 초과 전

문제를 풀었습니다


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

3년 초과 전

더 보기