Risolto

Back to the Future III
Marty McFly and Doc Brown are "back" again. See the test suite to see what they are up to.

oltre un anno fa

Risolto

SatCom #10: Rate of Precesion of Orbit Plane (Nodal Precession)
Satellite and Space Engineering - Problem #10 This is part of a series of problems looking at topics in satellite and space com...

oltre un anno fa

Risolto

SatCom #9: Overall Link Performance
Satellite and Space Engineering - Problem #9 This is part of a series of problems looking at topics in satellite and space comm...

oltre un anno fa

Risolto

SatCom #8: Satellite Link Budget
Satellite and Space Engineering - Problem #8 This is part of a series of problems looking at topics in satellite and space comm...

oltre un anno fa

Risolto

tetration
About tetration.

oltre un anno fa

Risolto

Check if the input is an interprime

oltre un anno fa

Risolto

Check if the input is a balanced prime

oltre un anno fa

Risolto

Check if the input is a strong prime

oltre un anno fa

Risolto

Decipher the number 2 - 3 keys

oltre un anno fa

Risolto

decipher the number 1 - same key for all digits :)
You will be given a input number (eg) x=12345 you have to figure out the dechiper key and match it with given input and deciph...

oltre un anno fa

Risolto

Easy Sequences 12: 50th Prime
Write a function that outputs the th prime after a given number . For example, the th prime after is . NOTE: If itself is pr...

oltre un anno fa

Risolto

Easy Sequences 11: Factorial Digits without Trailing Zeros
Here is an easy one... It is not difficult to count the number of digits of the factorial of a given number. For example for 'n...

oltre un anno fa

Risolto

Easy Sequences 10: Sum of Cumsums of Fibonacci Sequence
The function F(n) is defined as the set of Fibonacci numbers from the first up to the n-th. S(n) is the result of applying to F,...

oltre un anno fa

Risolto

Easy Sequences 9: Faithful Pairs
A "faithful number" is a non-prime number that is one less or one more than some prime number but not both. For example, for num...

oltre un anno fa

Risolto

Is the number of 1s in a binary integer odd or even?
Your function should turn the input integers into binary form and count the number of 1s in the binary. If the number is odd, re...

oltre un anno fa

Risolto

Round up to π

oltre un anno fa

Risolto

Just square the input
Square the number

oltre un anno fa

Risolto

Easy Sequences 7: Easy as Composite Pi
The prime Pi function is defined as the number of prime numbers from 1 to a certain given limit. In MATLAB, it is easy to create...

oltre un anno fa

Risolto

Easy Sequences 6: Coefficient sums of derivatives
Consider the polynomial function and its first-order derivative . The sums of the coefficients of P and P', are and , respecti...

oltre un anno fa

Risolto

Easy Sequences 5: Project Euler Problem 1 - Again!
We are all familiar with Project Euler Problem 1. This time let's try it on bigger multiples and larger range. Find the sum of ...

oltre un anno fa

Risolto

Monte Carlo integration: area of a polygon
The area of a polygon (or any plane shape) can be evaluated by <https://www.mathworks.com/matlabcentral/cody/problems/179 Monte ...

oltre un anno fa

Risolto

Siren frequency and Doppler effect.
The Doppler effect is described on OpenStax University Physics at https://openstax.org/books/university-physics-volume-1/pages/1...

oltre un anno fa

Risolto

Rotate matrix by coloumns

oltre un anno fa

Risolto

Easy Sequences 4: Eliminate the Days of Confusion
If a date is written in purely numeric format some dates can be confusing, if we don't know the date format used. For example, "...

oltre un anno fa

Risolto

Easy Sequences 3: Prime 44-number Squares
The positive integers 62 and 238 are related. Their squares (3844 and 56,644) both end in '44'. In fact, 62 and 238 are the 3rd ...

oltre un anno fa

Risolto

List numbers that are not squares
The numbers 2, 3, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 17, etc. are not perfect squares. Write a function to list the th term in ...

oltre un anno fa

Risolto

A sequence of Ones
You are given number(s) with all digits - 1. Your answer will depend on the count of 1 in the given number, for example - x1...

oltre un anno fa

Risolto

Original coordinate of the min element of a subset of elements

oltre un anno fa

Risolto

Count unique orderings of vertices of a polygon
Cody Problem 2671 asks us to determine whether four points can be the corners of a rectangle. The points are not necessarily inp...

oltre un anno fa

Risolto

Caesar Cipher
Given a input word x and a shift n, encrypt the word with caesar cipher of shift n.

oltre un anno fa