Risolto

Find number of days
The input is two date in string format (dd-mm-yyyy) find out the number of days between these two dates. Example: input: ...

quasi 10 anni fa

Risolto

Reverse a matrix
Its simple. You have to reverse a given matrix.

quasi 10 anni fa

Risolto

Y=X
Given an input variable x, output a variable y that is equal in value to x. Example: Input x = 1 Output y is 1 Inp...

quasi 10 anni fa

Risolto

Binary Coder
Take an input number and print the binary value of this number.

quasi 10 anni fa

Risolto

Column norms of a matrix
Given a matrix M, return a vector y such that for each k y(k)=norm(M(:,k)) (y(k) is the Euclidean norm of the k-th col...

quasi 10 anni fa

Risolto

Is it an Armstrong number?
An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. Fo...

quasi 10 anni fa

Risolto

find radius of cone
if Slant height of Cone(I)& hight of Cone(H) given then find radius of the Cone(R) for example I=5,h=4 then the ans R=3;

quasi 10 anni fa

Risolto

Create incrementing array
Given a and b generate an output matrix as shown in following examples: a=2 b=5 output=[2 20 200 2000 20000] a=4 b...

quasi 10 anni fa

Risolto

Sum of first n terms of a harmonic progression
Given inputs a, d and n, return the sum of the first n terms of the harmonic progression a, a/(1+d), a/(1+2d), a/(1+3d),....

quasi 10 anni fa

Risolto

Max of a Vector
Write a function to return the max of a vector

quasi 10 anni fa

Risolto

Beginner's Problem - Squaring
Try out this test problem first. Given the variable x as your input, square it by two and put the result in y. Examples: ...

quasi 10 anni fa

Risolto

7 segment LED display
Given a whole number, output how many segments would be lit up to display it on a 7 segment LED display (http://en.wikipedia.org...

quasi 10 anni fa

Risolto

Derivative of polynomial
Compute the derivative of a given polynomial. The input is an <http://www.mathworks.com/help/matlab/math/representing-polynomial...

quasi 10 anni fa

Risolto

poll: would you like the regexp (?@cmd) functionality to be banned in Cody?
This problem is a poll (and a little bit of "white hat hacktivism" as well) regarding Cody users sentiment about the use of rege...

quasi 10 anni fa

Risolto

Remove the two elements next to NaN value
The aim is to *remove the two elements next to NaN values* inside a vector. For example: x = [6 10 5 8 9 NaN 23 9 7 3 21 ...

quasi 10 anni fa

Risolto

Sophie Germain prime
In number theory, a prime number p is a *Sophie Germain prime* if 2p + 1 is also prime. For example, 23 is a Sophie Germain prim...

quasi 10 anni fa

Risolto

Test if a Number is a Palindrome without using any String Operations
*Description* Given an integer _X_, determine if it is a palindrome number. That is, _X_ is equal to the _X_ with the digits ...

quasi 10 anni fa

Risolto

Better bullseye matrix
<http://www.mathworks.com/matlabcentral/cody/problems/18-bullseye-matrix Problem 18> asks to create a bullseye matrix like this:...

quasi 10 anni fa

Risolto

Find the "ordinary" or Euclidean distance between A and Z
A, B and Z define three points in the 3D _Euclidean_ space of the form: A = [x1;y1;0]; B = [x2;y2;0]; Z = [x2;y2;z]; Find th...

quasi 10 anni fa

Risolto

Solve the set of simultaneous linear equations
Given this pair of simultaneous linear equations: 2x + 3y = 23 3x + 4y = 32 Find the solution set (x,y)

quasi 10 anni fa

Risolto

Positive Infinity
Round the array a towards positive infinity

quasi 10 anni fa

Risolto

Mode
Find the mode of the vector Assumption: no vector is bimodal Example 1: input=[1 2 3 4 4]; output=4 Example 2: input=[7...

quasi 10 anni fa

Risolto

Basic arrays operations.
Apply element-by-element binary operation 'fun' to two arrays (A and B).

quasi 10 anni fa

Risolto

ASCii Code
Using Matlab get the ASCii for '?'

quasi 10 anni fa

Risolto

Add 7
Given an input variable x, output a variable y that is 7 greater than x. Example: Input x = 1 Output y is 8 Input ...

quasi 10 anni fa

Risolto

Do Fast Fourier Transformation
Example Fast Fourier Transformation from vector [2,1]) ans = 3 1

quasi 10 anni fa

Risolto

matlab indian players
answer is one of the indian matlab player(just for fun dont take serious)

quasi 10 anni fa

Risolto

matrix of natural number
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 resides seially as shown in the examples below. ...

quasi 10 anni fa

Risolto

random picture with random colours
write a function which creates a random(x,y) matrix with random RGB colours for example create_pic(5,5) gives us a 3d matrix. ...

quasi 10 anni fa

Risolto

Back to basics 24 - Symbolic variables
Covering some basic topics I haven't seen elsewhere on Cody. Given a string algebraic expression, return the symbolic variabl...

quasi 10 anni fa