Resuelto


Equidistant numbers containing certain value in an interval
Given a lower and upper bound of an interval, distance between numbers, and one particular number from that interval, create an ...

casi 12 años hace

Resuelto


Set some matrix elements to zero
First get the maximum of each *row*, and afterwards set all the other elements to zero. For example, this matrix: 1 2 3 ...

casi 12 años hace

Resuelto


Calculate the height of an object dropped from the sky
Assume that an object is dropped from 1000 meters above the surface of the earth at time t=0. The object is dropped such that t...

casi 12 años hace

Resuelto


Find Rotated Substring
Given a string s1, find if a rotated version of s1 is present in a second string s2. For example, rotated version of some str...

casi 12 años hace

Resuelto


Multiples of a Number in a Given Range
Given an integer factor _f_ and a range defined by _xlow_ and _xhigh_ inclusive, return a vector of the multiples of _f_ that fa...

casi 12 años hace

Resuelto


Upper triangular matrix
Create a function to retrieve the upper triangular matrix of a matrix (without using tril). The matrix will always be square. ...

casi 12 años hace

Resuelto


Subtract two positive numbers
Given a and b as a string, return b-a without using string to number conversion functions. a and b must to be a same size and b ...

casi 12 años hace

Resuelto


Project Euler: Problem 4, Palindromic numbers
A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9009 = 91 ...

casi 12 años hace

Resuelto


Convert a Cell Array into an Array
Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'

casi 12 años hace

Resuelto


calculate RMS voltage
given peak to peak voltage, calculate rms voltage

casi 12 años hace

Resuelto


Test
Answer the question and the correct answer write in vector. Only one answer is correct. 1a Yes 1b No 1c No 1d No ...

casi 12 años hace

Resuelto


Convert Fahrenheit to Celsius
Calculate the Celsius temperature C given the Fahrenheit temperature F. Examples: Input F = 90 Output C is 32.22 I...

casi 12 años hace

Resuelto


Half-Swap
Given a vector with an even number of elements, rearrange it so that the elements in its first half are switched with those i...

casi 12 años hace

Resuelto


Decode a simplified barcode
Given a bar code from this <http://www.mathworks.com/matlabcentral/cody/problems/602-make-a-simplified-bar-code exercise>: Re...

casi 12 años hace

Resuelto


Magnet and Iron
(Inspired from <http://www.mathworks.com/matlabcentral/cody/problems/112 Problem 112: Remove the air bubbles>) Iron (atomic n...

casi 12 años hace

Resuelto


Obtain the Bitcoin address associated to a given private key
All the information you need is at <https://en.bitcoin.it/wiki/Address> and you may also find helpful <https://brainwal...

casi 12 años hace

Resuelto


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. So if input x is x = [1 2 3 5] then the output y should be 11.

casi 12 años hace

Resuelto


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...

casi 12 años hace

Resuelto


Bit Reversal
Given an unsigned integer _x_, convert it to binary with _n_ bits, reverse the order of the bits, and convert it back to an inte...

casi 12 años hace

Resuelto


Count decimal digits of a number
* Given an integer number you have to return the number of its digits. * For example 248 has 3 digits and 1589 has 4 digits ...

casi 12 años hace

Resuelto


create a circulant matrix
create a circulant matrix

casi 12 años hace

Resuelto


Back to basics - mean of corner elements of a matrix
Calculate the mean of corner elements of a matrix. e.g. a=[1 2 3; 4 5 6; 7 8 9;] Mean = (1+3+7+9)/4 = 5

casi 12 años hace

Resuelto


Rotate input square matrix 90 degrees CCW without rot90
Rotate input matrix (which will be square) 90 degrees counter-clockwise without using rot90,flipud,fliplr, or flipdim (or eval)....

casi 12 años hace

Resuelto


Perfect Square or not
find Given input x is perfect square or not,if yes then output y=1.else y=0

casi 12 años hace

Resuelto


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

casi 12 años hace

Resuelto


Determine if input is a perfect number
A <http://en.wikipedia.org/wiki/Perfect_number/ perfect number> occurs whent the sum of all divisors of a positive integer, exce...

casi 12 años hace

Resuelto


Binary
Given a positive, integer n, create a function that returns the respective binary number in the form of a vector. Example: ...

casi 12 años hace

Resuelto


subtract central cross
Given an n-by-n square matrix, where n is an odd number, return the matrix without the central row and the central column.

casi 12 años hace

Resuelto


newRMS
find root mean square of a signal x in less time than the test code and accurate to six places.

casi 12 años hace

Resuelto


Add a row of zeros on top of a matrix
Given a matrix, insert a row of zeros as the top row.

casi 12 años hace

Cargar más