Resuelto

Project Euler: Problem 9, Pythagorean numbers
A Pythagorean triplet is a set of three natural numbers, a b c, for which, a^2 + b^2 = c^2 For example, 3^2 + 4^2 =...

alrededor de 14 años hace

Resuelto

Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

alrededor de 14 años hace

Resuelto

Cannon Ball
Given g (acceleration due to gravity) and desired altitude x, find the minimum ground velocity of a cannon ball to reach x.

alrededor de 14 años hace

Resuelto

Back to basics 23 - Triangular matrix
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, return a matrix with all elements above a...

alrededor de 14 años hace

Resuelto

Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

alrededor de 14 años hace

Resuelto

Back to basics 22 - Rotate a matrix
Covering some basic topics I haven't seen elsewhere on Cody. Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; ...

alrededor de 14 años hace

Resuelto

Lose control
Remove all characters that are below space in ASCII value.

alrededor de 14 años hace

Resuelto

Person of interest?
given a person_of_interest, what is his_name?

alrededor de 14 años hace

Resuelto

Back to basics 19 - character types
Covering some basic topics I haven't seen elsewhere on Cody. Return the number of punctuation characters in the input variabl...

alrededor de 14 años hace

Resuelto

Back to basics 20 - singleton dimensions
Covering some basic topics I haven't seen elsewhere on Cody. Remove the singleton dimensions from the input variable (e.g. if...

alrededor de 14 años hace

Resuelto

Back to basics 16 - byte order
Covering some basic topics I haven't seen elsewhere on Cody. Switch the byte order of the input (i.e. if little-endian -> big...

alrededor de 14 años hace

Resuelto

Back to basics 15 - classes
Covering some basic topics I haven't seen elsewhere on Cody. Return the class of the input variable.

alrededor de 14 años hace

Resuelto

Back to basics 17 - white space
Covering some basic topics I haven't seen elsewhere on Cody. Remove the trailing white spaces from the input variable

alrededor de 14 años hace

Resuelto

Angle of triangle
For three unknown points a b c, given three sides ab bc ca, find three angles abc bca cab in radians. Your function should b...

alrededor de 14 años hace

Resuelto

exactly?
given two strings of numeric expressions such as '1-7/14' and '11/22+0.2^2', return 1 if they are numerically exactly equal othe...

alrededor de 14 años hace

Resuelto

peta to nano (x-ray)
for certain x-ray radiation, given frequency in petahertz, give wavelength in nanometer, must be accurate +/- 25%

alrededor de 14 años hace

Resuelto

commutative?
Given the handle to a binary function that takes two ordinary numbers, test if the function is commutative.

alrededor de 14 años hace

Resuelto

Leaking?
Graham's law states that the rate of effusion of a gas is inversely proportional to the square root of its molecular weight. A b...

alrededor de 14 años hace

Resuelto

Clock Hand Angle 1
Given a time in HH:MM:SS, find the smallest angle (in degrees) between the hour and minute hand

alrededor de 14 años hace

Resuelto

drowsy?
This dog() may be drowsy or function immediately when you call, return 1 or 0 accordingly within 2/10 second.

alrededor de 14 años hace

Resuelto

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...

alrededor de 14 años hace

Resuelto

Love triangles
Given a vector of lengths [a b c], determines whether a triangle with non-zero area (in two-dimensional Euclidean space, smarty!...

alrededor de 14 años hace

Resuelto

Clockwise or Counterclockwise
Given a list of 2-d points defining the vertices of a polygon, determine whether these points are sorted clockwise. The input...

alrededor de 14 años hace

Resuelto

The Goldbach Conjecture, Part 2
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

alrededor de 14 años hace

Resuelto

Specific toolboxes
Given a string that is the name of a MATLAB toolbox, return true if it is available on the Cody solvers evaluation system, false...

alrededor de 14 años hace

Resuelto

Number of toolboxes?
Return a number equal to the number of toolboxes available to the Cody solvers.

alrededor de 14 años hace

Resuelto

2 b | ~ 2 b
Given a string input, output true if there are 2 b's in it, false if otherwise Examples: 'Macbeth' -> false 'Publius Cor...

alrededor de 14 años hace

Resuelto

Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

alrededor de 14 años hace

Resuelto

Determine if a Given Number is a Triangle Number
*Description:* Determine if the elements of an input array are triangle numbers and return the result as an array with the sa...

alrededor de 14 años hace

Resuelto

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]

alrededor de 14 años hace