Samuele Sandrini

Last seen: 8 months 前 | 自 2019 起处于活动状态

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http://schoolcommunity.altervista.org/

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Python

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The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

3 years 前

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Solving system of ODEs using Euler's method
Hi, i saw your code and the ODE's system, you have already done most of the problem. In fact, now you can bring yourself back to...

4 years 前 | 0

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Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

4 years 前

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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.

4 years 前

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Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

4 years 前

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

4 years 前

已解决

Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

4 years 前

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Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

4 years 前

已解决

Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

4 years 前

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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

4 years 前

已解决

Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

4 years 前

已解决

Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

4 years 前

已解决

Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

4 years 前

已解决

Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

4 years 前

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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]; ...

4 years 前

已解决

Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

4 years 前

已解决

Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

4 years 前

已解决

Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

4 years 前

已解决

Return area of square
Side of square=input=a Area=output=b

4 years 前

已解决

Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

4 years 前

已回答
Empty output with newtons method
Hi, the problem is in this line: x1 = x0 - f(x0)./diff(f(x0)); because f(x0) is a number and the function diff doesn't retur...

4 years 前 | 2

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Runge Kutta solving differential equations
Hi, i'm sorry but your differential equation is unreadable in that way. However i try to give you all element that you need; a...

4 years 前 | 0

已解决

Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

4 years 前

已解决

Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

4 years 前

已解决

Create a vector
Create a vector from 0 to n by intervals of 2.

4 years 前

已解决

Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

4 years 前

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

4 years 前

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Inner product of two vectors
Find the inner product of two vectors.

4 years 前

已解决

Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

4 years 前

已解决

Find max
Find the maximum value of a given vector or matrix.

4 years 前

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Samuele Sandrini

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