Risolto

Sum of series IV
What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?

3 mesi fa

Risolto

Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

3 mesi fa

Risolto

Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

3 mesi fa

Risolto

Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

3 mesi fa

Risolto

Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

3 mesi fa

Risolto

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...

3 mesi fa

Risolto

Total energy

3 mesi fa

Risolto

Potential energy calculation

3 mesi fa

Risolto

Kinetic energy calculation

3 mesi fa

Risolto

Laws of motion 2

3 mesi fa

Risolto

Laws of motion 1

3 mesi fa

Risolto

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.

3 mesi fa

Risolto

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.

3 mesi fa

Risolto

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...

3 mesi fa

Risolto

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...

3 mesi fa

Risolto

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

3 mesi fa

Risolto

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...

3 mesi fa

Risolto

Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to find the logical indices o...

3 mesi fa

Risolto

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

3 mesi fa

Risolto

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 = [1,2,3]; Returns 1.

3 mesi fa

Risolto

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...

3 mesi fa

Risolto

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 = ...

3 mesi fa

Risolto

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]; ...

3 mesi fa

Risolto

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 3 3 3 4...

3 mesi fa

Risolto

Laws of motion 3

3 mesi fa

Risolto

Find the maximum number of decimal places in a set of numbers
Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not count...

3 mesi fa

Risolto

Laws of motion 4
Given the initial velocity 'u', final velocity 'v' and acceleration 'a', find the distance travelled.

3 mesi fa

Risolto

Laws of motion 5
Calculate the force is u are given mass and acceleration.

3 mesi fa

Risolto

Laws of motion 6

3 mesi fa

Risolto

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 mesi fa