Community Profile

photo

Lesandu Wenitha Sugathadasa


Last seen: 19日 前
310 2020 年以降の合計貢献数

I love aircrafts and jets

連絡する

Lesandu Wenitha Sugathadasa's バッジ

  • MATLAB Central Treasure Hunt Finisher
  • Knowledgeable Level 1
  • First Answer
  • Curator
  • CUP Challenge Master
  • Draw Letters
  • Explorer
  • 5-Star Galaxy Level 1
  • First Submission
  • First Review
  • Speed Demon
  • Creator
  • Promoter
  • Introduction to MATLAB Master
  • Commenter

すべて表示

貢献した分野
表示方法

解決済み


Is the paranthesis sequence balanced ?
Quantum mechanics and computer science are interested in <http://en.wikipedia.org/wiki/Bra%E2%80%93ket_notation bra-kets>. Today...

19日 前

解決済み


Convert Two Character String into a Binary Vector
Given a string "XOXXO" convert it into a binary vector. [1 0 1 1 0] Paul Berglund implemented an optimal method in <http://ww...

19日 前

解決済み


Pascal's Matrix
Given an integer n &ge; 0, generate the ( _n_+1) &times; ( _n_+1) lower triangular <http://en.wikipedia.org/wiki/Pascal_matrix P...

3ヶ月 前

解決済み


Pascal's Triangle
Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

3ヶ月 前

解決済み


Count the days
Count the occurrence of a particular day (e.g. Monday) in a given year.

3ヶ月 前

解決済み


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 ...

4ヶ月 前

解決済み


microseconds passed today
Calculate the amount of microseconds passed for a given date string. Return the value, rounded to the nearest integer, as a stri...

4ヶ月 前

解決済み


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...

4ヶ月 前

解決済み


Days until next NewYear ball drop
Given a date string in the form 'yyyy-mm-dd' or 'yyyy-mm-dd hh:mm:ss', calculate the number of *days* until the dropping of the ...

4ヶ月 前

解決済み


Find my birthday
Given a birth date x, find my age when my birth day will fall on the same day as I was born. So if I was born on Monday, what a...

4ヶ月 前

解決済み


calculate the day of the year from a date string.
'09-Oct-2016' is the 283rd day of the year. So doy = dayoftheyear('09-Oct-2016') should return doy = 283

4ヶ月 前

解決済み


How Many Months Until It's Today Again?
Given a particular date, calculate how many months must pass before that same day of the month occurs on the same day of the wee...

4ヶ月 前

解決済み


Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

5ヶ月 前

解決済み


Roots
Find out the roots of a given polynomial equation.Given are the coefficients of the equation.

5ヶ月 前

解決済み


Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

5ヶ月 前

解決済み


Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

5ヶ月 前

解決済み


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...

5ヶ月 前

解決済み


The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

5ヶ月 前

解決済み


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

5ヶ月 前

解決済み


birthday on same day of week
Say, Mr. X's birthday is on 20th July, 2014. It was Sunday. Determine the closest year when his birthday will again be on Sunday...

5ヶ月 前

解決済み


Create a Cell array of month-end date strings within a date range
This is a variation of <http://www.mathworks.com/matlabcentral/cody/problems/1039-get-an-array-of-month-ends-in-a-date-range Get...

5ヶ月 前

解決済み


Find Month & day for given day number of a year
Find Month & day for given day number of a year (day number is any number ranging from 1 to 366)

5ヶ月 前

解決済み


Is this date a palindrome?emordnilap a etad siht sI
Take a MATLAB date number as input, and return true if the date is a palindrome, false if the date is not a palindrome. A date ...

5ヶ月 前

解決済み


Tax Season ! How much is my salary?
Tax Season! I was employed for a period from x until y in a year and I get pay check of amount z on every alternate Friday of th...

5ヶ月 前

解決済み


Find number of days
The input is two date in string format (dd-mm-yyyy) find out the number of days between these two dates. Example: input: ...

5ヶ月 前

解決済み


Calculate days until Christmas
Provided with inputs year, month, day e.g. 2019,11,12, calculate the number of days until the next Christmas day, i.e. the next ...

5ヶ月 前

解決済み


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...

5ヶ月 前

解決済み


Circular Primes (based on Project Euler, problem 35)
The number, 197, is called a circular prime because all rotations of the digits: 197, 971, and 719, are themselves prime. The...

5ヶ月 前

Load more