Massimo

Politecnico di Torino

Last seen: oltre 4 anni fa | Attivo dal 2015

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Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<https://i.imgur.com/jlZDHhq.png>> ...

oltre 4 anni fa

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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

oltre 7 anni fa

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Sum my indices
Given inputs M and N (in that order), output an MxN matrix whose entries are equal to the sum of their indices. Example input...

oltre 7 anni fa

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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...

oltre 7 anni fa

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"mirror" matrix
Create n x 2n "mirror" matrix of this type: Examples For n = 2 m = [ 1 2 2 1 1 2 2 1 ] For n = 3 m = ...

quasi 8 anni fa

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Alternating sum
Given vector x, calculate the alternating sum y = x(1) - x(2) + x(3) - x(4) + ...

quasi 8 anni fa

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Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

quasi 8 anni fa

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

quasi 8 anni fa

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

quasi 8 anni fa

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

quasi 8 anni fa

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

quasi 8 anni fa

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

quasi 8 anni fa

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Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...

quasi 8 anni fa

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Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

quasi 8 anni fa

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Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

quasi 8 anni fa

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Cannon Ball
Given g (acceleration due to gravity) and desired altitude x, find the minimum ground velocity of a cannon ball to reach x.

oltre 10 anni fa

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Add two numbers
Given a and b, return the sum a+b in c.

oltre 10 anni fa

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Determine the mean of matrix
Determine the mean of matrix without using mean function Hint: use simple algorithm

oltre 10 anni fa

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Get the array of sum for three consecutive numbers in an array
Get the array of sum, for three consecutive numbers in an array. if Input 'x' does not have at-least 3 elements then 'y' shou...

oltre 10 anni fa

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Create an array (n,n) where only diagonal elements are '1' and others are '0'
Create an array (n,n) where only diagonal elements are '1' and others are '0' EX: n = 3; then Resultant array would be [ 1 0...

oltre 10 anni fa

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Determine if input is divisible by three.
Given a positive integer, n, determine if n is divisible by 3. If yes, the function should output true. If no, false.

oltre 10 anni fa

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Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.

oltre 10 anni fa

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Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

oltre 10 anni fa

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Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

oltre 10 anni fa

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

oltre 10 anni fa

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

oltre 10 anni fa

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

oltre 10 anni fa

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Square a Number
Given an input x, return y, which is equal to the square of x.

oltre 10 anni fa