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Matteo Valentinuzzi


Active since 2021

Energy engineer

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  • Strings I Master
  • MATLAB Central Treasure Hunt Finisher
  • Number Manipulation II Master
  • Draw Letters
  • Indexing II Master
  • Indexing I Master
  • Introduction to MATLAB Master
  • Cody5 Easy Master
  • CUP Challenge Master
  • Community Group Solver
  • ASEE Challenge Master
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Energy of an object
Calculate the total mechanical energy of an object. Total Energy= Potential energy + Kinetic energy P.E.=m*g*h K.E.=1/2...

4 days ago

Solved


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...

4 days 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;...

4 days ago

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Converts numbers into characters
Converts numbers into characters

4 days ago

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

4 days 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.

4 days 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

4 days ago

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to the 2 all elements
to the 2 all elements

4 days ago

Solved


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

4 days ago

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Double all elements in the array
Duplicate all elements in the array

4 days ago

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calculate the length of matrix
input 1 array, calculate the length

4 days ago

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Draw a '0' in a one matrix!

4 days ago

Solved


Rosenbrock's Banana Function and its derivatives
Write a function to return the value of <http://en.wikipedia.org/wiki/Rosenbrock_function Rosenbrock's two-dimensional banana fu...

11 days ago

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Total energy

11 days ago

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Potential energy calculation

11 days ago

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Kinetic energy calculation

11 days ago

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Laws of motion 4

11 days ago

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Laws of motion 3

11 days ago

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Laws of motion 2

11 days ago

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Laws of motion 1

11 days ago

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Laws of motion 5

11 days ago

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Laws of motion 6

11 days ago

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Minefield Sonar
*Background* In mine-hunting games (e.g. Microsoft Minesweeper), the user is provided with a covered grid that, upon a left c...

11 days ago

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Great Circle Distance
Find shortest between two points on a ball given their azimuthal and polar angles (in degrees) as well as the radius of the sphe...

11 days ago

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Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

11 days ago

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Guess the number I'm thinking of
In this game you are competing against two other people to guess the number that I'm thinking of. # I randomly choose an *i...

12 days ago

Solved


Find mistyped words in text (mixed-up letters)
Mistyped words are a regular occurrence in emails, texts, status updates, and the like. Many times, people send or post a second...

12 days ago

Solved


Calculate a modified Levenshtein distance between two strings
Inspired by the Cody problem found <http://www.mathworks.com/matlabcentral/cody/problems/93-calculate-the-levenshtein-distance-b...

12 days ago

Solved


Find the stride of the longest skip sequence
We define a _skip sequence_ as a regularly-spaced list of integers such as might be generated by MATLAB's <http://www.mathworks....

13 days ago

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Golomb's self-describing sequence (based on Euler 341)
The Golomb's self-describing sequence {G(n)} is the only nondecreasing sequence of natural numbers such that n appears exactly G...

13 days ago

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