A résolu

Wrapping the Tower of Pisa
The famous artist Christo Vladimirov Javacheff, who likes pizza, wants to wrap the well-known Italian tower in paper. It is a ci...

presque 12 ans il y a

A résolu

mathematics , probability problem
How many different result can we have, rolling k dice?

presque 12 ans il y a

Problème

mathematics , probability problem
How many different result can we have, rolling k dice?

presque 12 ans il y a | 3 | 62 solveurs

A résolu

arrangement of symbols
There are n different symbols in which m symbols are identical (m<n). How many different arrangement can we make with these symb...

presque 12 ans il y a

Problème

arrangement of symbols
There are n different symbols in which m symbols are identical (m<n). How many different arrangement can we make with these symb...

presque 12 ans il y a | 1 | 57 solveurs

A résolu

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...

presque 12 ans il y a

A résolu

Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise

presque 12 ans il y a

A résolu

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

presque 12 ans il y a

A résolu

Determine Whether an array is empty
Input a matrix x, output y is TRUE if x is empty, otherwise FALSE.

presque 12 ans il y a

A résolu

Compute a dot product of two vectors x and y
x and y are input vectors, d is a number and contains their dot product

presque 12 ans il y a

A résolu

Convert from Base 10 to base 5
Convert the input number from base 10 into base 5: for example: if a(in base 10)= 5 then a(in base 5)= 10

presque 12 ans il y a

Problème

Convert from Base 10 to base 5
Convert the input number from base 10 into base 5: for example: if a(in base 10)= 5 then a(in base 5)= 10

presque 12 ans il y a | 2 | 254 solveurs

A résolu

Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

presque 12 ans il y a

Problème

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: ...

presque 12 ans il y a | 0 | 190 solveurs

A résolu

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: ...

presque 12 ans il y a

A résolu

Rotate a Matrix by 90 degrees
Rotate a Matrix by 90 degrees Example: If the input is: X = 1 2 3 4 5 6 7 8 9 ...

presque 12 ans il y a

Problème

Rotate a Matrix by 90 degrees
Rotate a Matrix by 90 degrees Example: If the input is: X = 1 2 3 4 5 6 7 8 9 ...

presque 12 ans il y a | 4 | 924 solveurs

A résolu

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]

presque 12 ans il y a

A résolu

The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

presque 12 ans il y a

A résolu

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.

presque 12 ans il y a

A résolu

Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

presque 12 ans il y a

A résolu

Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

presque 12 ans il y a

A résolu

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...

presque 12 ans il y a

Problème

Replace Vector Elements
Replace all elements in a vector which are equal to or smaller than zero with 0.1. Example: A = [1 2 3 -1 0 2 -3 -80]; ...

presque 12 ans il y a | 1 | 470 solveurs

A résolu

Replace Vector Elements
Replace all elements in a vector which are equal to or smaller than zero with 0.1. Example: A = [1 2 3 -1 0 2 -3 -80]; ...

presque 12 ans il y a

A résolu

Back to basics 1 - Saving
Covering some basic topics I haven't seen elsewhere on Cody. Given an input variable 'x', save it to disk in a file named 'co...

presque 12 ans il y a

A résolu

Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

presque 12 ans il y a

A résolu

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

presque 12 ans il y a

A résolu

Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

presque 12 ans il y a

A résolu

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...

presque 12 ans il y a