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Luong


Last seen: 12 maanden ago |  Active since 2023

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(Linear) Recurrence Equations - Generalised Fibonacci-like sequences
This problem is inspired by problems <http://uk.mathworks.com/matlabcentral/cody/problems/2187-generalized-fibonacci 2187>, <htt...

12 maanden ago

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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...

12 maanden ago

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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...

12 maanden ago

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Back to basics 23 - Triangular matrix
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, return a matrix with all elements above a...

12 maanden ago

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Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

12 maanden ago

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Make a Star Pyramid
Create a star pyramid. First line will have 1 star, second will have two stars and so on... a basic program which is easily done...

ongeveer een jaar ago

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Special matrix
Make a square matrix with this shape. For n=4 M = 1 1 0 0 1 0 1 0 0 1 0 ...

ongeveer een jaar ago

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Generate Square Wave
Generate a square wave of desired length, number of complete cycles and duty cycle. Here, duty cycle is defined as the fraction ...

ongeveer een jaar ago

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Is it an Armstrong number?
An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. Fo...

ongeveer een jaar ago

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Determine if input is a Narcissistic number
<http://en.wikipedia.org/wiki/Narcissistic_number Narcissistic number> is a number that is the sum of its own digits each raised...

ongeveer een jaar ago

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First N Perfect Squares
*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];

ongeveer een jaar ago

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radius of a spherical planet
You just measured its surface area, that is the input.

ongeveer een jaar ago

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Volume Pillar
Calculate the volume of a pillar with radius l and heigth ar.

ongeveer een jaar ago

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Convert radians to degrees
Given input in radians, output to degrees

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Perimeter of a semicircle
Given the diameter d, find the perimeter of a semicircle

ongeveer een jaar ago

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Given a square and a circle, please decide whether the square covers more area.
You know the side of a square and the diameter of a circle, please decide whether the square covers more area.

ongeveer een jaar ago

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Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

ongeveer een jaar ago

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ベクトルのスケーリング
入力したベクトルの大きさを１にしてください。

ongeveer een jaar ago

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

ongeveer een jaar ago

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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...

ongeveer een jaar ago

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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;...

ongeveer een jaar ago

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Converts numbers into characters
Converts numbers into characters

ongeveer een jaar ago

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

ongeveer een jaar ago

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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.

ongeveer een jaar ago

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Sum of series
a(n) = n^2 - (n-1)^2 find the summation of the series upto n i.e. a(1)+a(2)+...+a(n)

ongeveer een jaar ago

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Sum of series IX
What is the sum of the following sequence: Σ 1/k! for k=1...n for different n?

ongeveer een jaar ago

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Sum of series VIII

ongeveer een jaar ago

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Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

ongeveer een jaar ago

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Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

ongeveer een jaar ago

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Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

ongeveer een jaar ago

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