Resuelto

Square a Number
Given an input x, return y, which is equal to the square of x.

7 meses hace

Resuelto

Create an index-powered vector
Given a input vector x, return y as index-powered vector as shown below. Example x = [2 3 6 9] then y should be [...

7 meses hace

Resuelto

First N Perfect Squares
*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];

7 meses 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; ...

7 meses hace

Resuelto

Find Air Temperature from Cricket Stridulation Rate
Stridulation is the process that creates a cricket's “chirp” by rubbing their wings or legs. According to the Old Farmer's Alma...

7 meses hace

Resuelto

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...

7 meses hace

Resuelto

Area of a triangle
A triangle is given with base *'b'* ,vertical hight *'h'* . then find it's area.

7 meses hace

Resuelto

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 ...

7 meses hace

Resuelto

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

7 meses hace

Resuelto

multiply by three
Given the variable x as your input, multiply it by 3 and put the result equal to y. Examples: Input x = 2 Output y is ...

7 meses hace

Resuelto

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...

7 meses hace

Resuelto

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

7 meses 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...

7 meses 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.

7 meses hace

Resuelto

Divide by 4
Given the variable x as your input, divide it by four and put the result in y.

7 meses hace

Resuelto

Given a matrix, swap the 2nd & 3rd columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

7 meses hace

Resuelto

Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5

7 meses hace

Resuelto

Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

7 meses hace

Resuelto

Sum of diagonal of a square matrix
If x = [1 2 4; 3 4 5; 5 6 7] then y should be the sum of the diagonals of the matrix y = 1 + 4 + 7 = 12

7 meses hace

Resuelto

Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...

7 meses hace

Resuelto

Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];

7 meses hace

Resuelto

Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

7 meses hace

Resuelto

Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

7 meses hace

Resuelto

How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

7 meses hace

Resuelto

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".

7 meses hace

Resuelto

Simple equation: Annual salary
Given an hourly wage, compute an annual salary

7 meses hace

Resuelto

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

7 meses hace

Resuelto

Is my wife right?
Regardless of input, output the string 'yes'.

7 meses hace

Resuelto

Quote Doubler
Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

7 meses hace

Resuelto

Sum of series IX
What is the sum of the following sequence: Σ 1/k! for k=1...n for different n?

7 meses hace