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Luhn's Algorithm
Luhn's Algorithm is used as a checksum for credit card numbers or similar identifiers. It can detect single-digit changes and sw...

6 years ago

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Construyendo matrices parte 2
Construye la siguiente matriz a partir de otros tres vectores/matrices. [ 1 8 15 3 3 3 3 2 9 16 3 3...

6 years ago

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Top layer of a 3D pyramid
create a 3D pyramid(x,y,z) of ones(1) and zeros(0)...where pyramid part is denoted by one....nd find the top layer(x,y) of the p...

6 years ago

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Height of a 3D Pyramid
If a pyramid is made with one(1). What will be the height of the pyramid of square shaped base(n*n)? where input is n.

6 years ago

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Finding sum of even numbers in a vector.
Find the sum of all the even numbers present in the input vector x. Examples: Input x = [1 2 3 4] Output y is 6 Input...

6 years ago

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Check Digit - 01
The International Standard Book Number (ISBN) is a numeric commercial book identifier that is intended to be unique. It used ...

6 years ago

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Count the non-zero elements along the diagonals that are immediately next to the main diagonal
Suppose, you are being told to write a matrix, *a* as input in MATLAB with having the possibility of containing zero and non-zer...

6 years ago

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Where do the maximum number belongs within a 3-D matrix?
Suppose, you are given two variables *a* and *b* as inputs in 2-D format. Find out, where do the maximum number belongs (as out...

6 years ago

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Compute the cokurtosis of a given portfolio.
As input data, you are given a nObs-by-nAssets matrix _portRet_ of return series for assets in a portfolio along with an nAssets...

6 years ago

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Cross ("+") flag returns
Given two odd numbers, [m, n], return a matrix of size m x n which has all elements of the centre column and centre row set as 1...

6 years ago

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Compound Interest Rate Calculation With Yearly Deposition Into A Bank Account
The problem adds a twist to the compound interest calculation by having the bank account owner depositing a fixed amount of mone...

6 years ago

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Determine the perimeter of a three-quarter circle
If a circle has a diameter of x as input value, then show the value of perimeter of the three-quarter circle in output variable ...

6 years ago

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Find the Fourier coefficients os a periodic function
For the a given periodic function, f, calculate the first N Fourier coefficients. The inputs to your function must be one period...

6 years ago

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Stairs
Make an n by n matrix, where the elements are ones and zeros. In the main diagonal, and under that, there should be only ones (...

6 years ago

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Problem for beginners
Suppose that x is a column vector, with at least a length of 6. Delete the 2., 6., and the second last row. Example: X=[1;2;3...

6 years ago

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Problem for beginners
M is a nxm matrix. Swap the fist and the second last column with eachother. X=[1 2 3;4 5 6;7 8 9] Y=[2 1 3;5 4 6;8 7 9]

6 years ago

Solved

Inscribed circle in a triangle
A circle of radius r is inscribed in a triangle. In the figure, AC=x and BC=y. values of x & y are given. Find the ar...

6 years ago

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Sub-sequence - 03
Given three sequences, find the length of the longest common subsequence. It is similar to the previous problem -- <https...

6 years ago

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Sub-sequence - 02
Given two sequences, find the length of the longest common subsequence. a=[1,1,1,1,1,2,3,1,4] b=[2,3,0,0,9,5,4,1] longe...

6 years ago

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Sub-sequence - 01
Find the length of the longest increasing subsequence in the given array. a=[2,4,2,1,3,5,6] longest increasing subsequen...

6 years ago

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Find the sum of all integers in a given matrix
Finding sum of all integers in a given matrix

6 years ago

Solved

Find the sum of all integers in a given matrix
Finding sum of all integers in a given matrix

6 years ago

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Count the number of reaction chains achievable in T mins
This problem is related to Problem <45467>. Let's denote a list of *N* compounds as 1, 2, ..., *N*. You are then given a list...

6 years ago

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Squares of odd numbers upto a given range
Find the squares of odd numbers upto a given range. If Given x=6 return y=(1^2,3^2,5^2) y=1,9,25 If Given x=5 retu...

6 years ago

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Just another norm problem (JANP)
*Task:* Implement a function that takes a square matrix A and returns a nonzero vector yc which minimizes ...

6 years ago

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Return the amount of palindromes (words) in the string.
For example: Input: s = 'eye story pop dictionary noon enjoy software moon' Output: amount = 3 Test each word...

6 years ago

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Maximize Non-Co-Planar Points in an N-Cube
This Challenge is to find a set with the maximum number of integer points that create planar surfaces with a maximum of three po...

6 years ago

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Find the fastest reaction chain to reach a target compound
Let's denote a list of *N* compounds as 1, 2, ..., *N*. You are then given a list of valid reactions for converting one compound...

6 years ago

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Fibonacci Word
F1='0' F2='1' F3 is the catenation of the previous two. So, F3 = cat(F2,F1)='10'. similarly, F4 = cat(F3,F2...

6 years ago

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Design a minimum-cost cable network for a power grid
You are given the 2-D point locations ( _xi_ , _yi_ ) of *N* _components_ of a power grid. These _components_ include power sour...

6 years ago