Problem

Cryptography with A Square Matrix : Decoding

Previous Problem: <https://www.mathworks.com/matlabcentral/cody/problems/45279-cryptography-with-a-square-matrix-encoding Crypto...

2 months ago | 1

Problem

Cyrptography with A Square Matrix : Encoding

Matrix inverse operation can be used to encode or decode of a message. For example text = 'matlab & cody'. numeric e...

2 months ago | 0

Solved

Last non-zero digit

Given a number n, find the last non-zero digit of the factorial of that number. You need to take care of the large values of n....

2 months ago

Solved

Pell numbers

Find the nth pell number <https://en.wikipedia.org/wiki/Pell_number>

2 months ago

Solved

Alternate list of elements

Write a function that combines two lists by alternating the elements, e.g. ['a','b','c'], ['1','2','3'] → 'a1b2c3'.

2 months ago

Solved

Zero

given an integer a, find the smallest possible integer b(b>0) such that their bitwise logical AND is zero. * if a=11(1011) t...

2 months ago

Question

Problem running methods in .jar files

There is a .jar file (https://github.com/ahmetaa/zemberek-nlp) called "zemberek" which is a Natural Language Processing tools fo...

3 months ago | 1 answer | 0

Solved

Question 1

Implement a function named q1 with one input argument named n. This function should return the multiplication of all odd numbers...

3 months ago

Solved

How many Christmas presents under the tree?

For many families at Christmas, each family member gives 1 present to every other family member. The main exception is that chil...

3 months ago

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Count digits

Count total number of digits from 1 to n. * n=13 * output=17 since from [1-9] total 9 digits.[10-13] total 4*2=8 digits.

3 months ago

Solved

check whether a number is a pentatope number

<https://en.wikipedia.org/wiki/Pentatope_number>

3 months ago

Problem

Double Factorial

Return double factorial n(n-2)...(5)(3)(1), n>0, odd n!! = n(n-2)...(6)(4)(2), n>0, even 1 ...

5 months ago | 1

Solved

Create a "+" flag

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 months ago

Solved

Champernowne Constant

The <http://en.wikipedia.org/wiki/Champernowne_constant Champernowne constant> is a real number whose digits in decimal represen...

6 months ago

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P-smooth numbers

This Challenge is to find <https://en.wikipedia.org/wiki/Smooth_number P-smooth number> partial sets given P and a max series va...

6 months ago

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Implement a bubble sort technique and output the number of swaps required

A bubble sort technique compares adjacent items and swaps them if they are in the wrong order. This is done recursively until al...

6 months ago

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Decimation - Optimized for speed

This problem is similar to http://www.mathworks.com/matlabcentral/cody/problems/1092-decimation, only this time the score will b...

6 months ago

Solved

Triangular matrices in 3D array

Given a 3D numeric array _x_, return an array _y_ of the same size in which all entries to the right of the main diagonal are ze...

6 months ago

Solved

Pascal's pyramid

In Pascal's triangle each number is the sum of the two nearest numbers in the line above: 1 1 1 ...

6 months ago

Solved

Big Integer Sqrt

You will be given a big integer, you should return the square root of it. input: '16' output: '4' have fun!

6 months ago

Solved

How many Fibonacci numbers?

Find the number of unique Fibonacci numbers (don't count repeats) in a vector of positive integers. Example: x = [1 2 3 4...

6 months ago

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Fibonacci Decomposition

Every positive integer has a unique decomposition into nonconsecutive Fibonacci numbers f1+f2+ ... Given a positive integer n, r...

6 months ago

Solved

(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...

6 months ago

Solved

Calculate BMI

Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

6 months ago

Solved

Calculate Inner Product

Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

6 months ago

Solved

Convert from Fahrenheit to Celsius

Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

6 months ago

Solved

Calculate Amount of Cake Frosting

Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

6 months ago