A résolu


Reverse the elements of an array
Reverse the order of elements in an array: eg: input X = [ 1 2 3 ; 4 5 6 ; 7 8 9 ] o...

plus de 10 ans il y a

A résolu


Return 'on' or 'off'
When the input is true, return 'on', otherwise, return 'off'.

plus de 10 ans il y a

A résolu


only input
Return the output without writing any code into the function.

plus de 10 ans il y a

A résolu


Replace May with April
For instance, if the input is input_str = 'The flowers may bloom in April'; then the output is output_str = 'The flo...

plus de 10 ans il y a

A résolu


Make a 1 hot vector
Make a vector of length _N_ that consists of all zeros except at index _k_, where it has the value 1. Example: Input ...

plus de 10 ans il y a

A résolu


Who is the smartest MATLAB programmer?
Who is the smartest MATLAB programmer? Examples: Input x = 'Is it Obama?' Output = 'Me!' Input x = 'Who ?' Ou...

plus de 10 ans il y a

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]; ...

plus de 10 ans il y a

A résolu


give nth decimal place of pi
max 15th place after the decimal point is ok for now

plus de 10 ans il y a

A résolu


kmph to mps
convert kilometer per hour to meter per second

plus de 10 ans il y a

A résolu


sum of non-primes
The sum of the non-primes below 10 is 1+4+6+8+9+10=38 Find the sum of all the non-primes below the input, N.

plus de 10 ans il y a

A résolu


Return area of square
Side of square=input=a Area=output=b

plus de 10 ans il y a

A résolu


Sum the numbers on the main diagonal
Sum the numbers on the main diagonal of an n-by-n matrix. For input: A = [1 2 4 3 6 2 2 4 7]...

plus de 10 ans il y a

A résolu


Solving Quadratic Equations (Version 1)
Quadratic equations have the form: ax^2 + bx + c = 0. Example: x^2 + 3x + 2 = 0, where a = 1, b = 3, and c = 2. The equation has...

plus de 10 ans il y a

A résolu


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

plus de 10 ans il y a

A résolu


Wind Chill Computation
On a windy day, a temperature of 15 degrees may feel colder, perhaps 7 degrees. The formula below calculates the "wind chill," i...

plus de 10 ans il y a

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];

plus de 10 ans il y a

A résolu


Who knows the last digit of pi?
There is only one man who knows the last digit of pi, who is that man? Give the name of that man, who, by popular believe, can ...

plus de 10 ans il y a

A résolu


Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

plus de 10 ans il y a

A résolu


Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

plus de 10 ans il y a

A résolu


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; ...

plus de 10 ans il y a

A résolu


surface of a spherical planet
you just discovered its circumference, that is the input.

plus de 10 ans il y a

A résolu


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.

plus de 10 ans il y a

A résolu


Multielement indexing of a row array
The row array birthRateChina stores the China birth rate (per 1000 people) for years 2000 to 2012. Write a statement that create...

plus de 10 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...

plus de 10 ans il y a

A résolu


All capital?
Are all the letters in the input string capital letters? Examples: 'MNOP' -> 1 'MN0P' -> 0

plus de 10 ans il y a

Question


Arrange element according to its index
Hi All, Let's say we have arrays as follow: a=[3 4 5 6 7 9] b=[2 4 1 3 5 6] in this case b acts as index of a. I want to...

plus de 10 ans il y a | 1 réponse | 0

1

réponse

A résolu


Back to basics 8 - Matrix Diagonals
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector of numbers, output a square array with the...

plus de 10 ans il y a

A résolu


Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

plus de 10 ans il y a

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]

plus de 10 ans il y a

A résolu


Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

plus de 10 ans il y a

Charger plus