解決済み

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

約3年前

解決済み

If you have matrix A, create matrix B using matrix A as an "element"
A = [1 2 3 4; 5 6 7 8] B = [1 2 3 4 1 2 3 4; 5 6 ...

約3年前

解決済み

Sum the elements in either diagonal of a square matrix
Sum the elements of a square matrix that lie on either the major diagonal or anti-diagonal. (Include all elements that are part ...

約3年前

解決済み

Determine the mean of matrix
Determine the mean of matrix without using mean function Hint: use simple algorithm

約3年前

解決済み

Square root of a number
Write a code that will output the square root of x.

約3年前

解決済み

Close MATLAB with keyboard
Close MATLAB with keyboard without using mouse

約3年前

解決済み

Replace every 3rd element in a vector with 4
x is a vector of undetermined length You are to replace every 3rd element with the number 4, example: x = [11 23 34 43 2 3...

約3年前

解決済み

Finding an element in a vector
x is a vector of unknown length your function should return the index of the first element in the vector that is greater than...

約3年前

解決済み

first element of matrix
find the first elements of a column matrix

約3年前

解決済み

Annual Salary
What is the annual salary of Mr. Cody if he works 40 hours a week and gets $x per hour and a yearly bonus of $2000? (Let, 50 wee...

約3年前

解決済み

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

約3年前

解決済み

Summation of array
Given an array, Find the sum of all of the elements in it Examples: Input x = [1 2 3 5; 4 5 6 7]; Output y is 33

約3年前

解決済み

Finding perimeter of a rectangle
A rectangle has a length of x centimeters and a width of w centimeters. Find the perimeter.

約3年前

解決済み

Circumscribed circles
Given the lengths of the 3 sides of a triangle, output the radius of the circumscribed circle. Example: [3 4 5] -> 2.5

約3年前

解決済み

find the surface area of a cube
given cube side length x, find the surface area of the cube, set it equal to y

約3年前

解決済み

Factorial Numbers
Factorial is multiplication of integers. So factorial of 6 is 720 = 1 * 2 * 3 * 4* 5 *6 Thus 6 factorial = factorial(720)....

約3年前

解決済み

Multiply by 3
Given the variable x as your input, multiply it by three and put the result in y.

約3年前

解決済み

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...

約3年前

解決済み

Test Problem; Create a 5x5 array containing all ones
This is a test for learning the process of creating a Cody problem. The goal of this test problem will be to create an array,...

約3年前

解決済み

sum of first 'n' terms
Given n=10, find the sum of first 'n' terms Example: If n=10, then x=1,2,3,4,5,6,7,8,9,10. The sum of these n=10 terms is 55...

約3年前

解決済み

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

約3年前

解決済み

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...

約3年前

解決済み

Complex number
For complex number c=a+bi, write code that will add a and b together.

約3年前

解決済み

Vectors counting by 2
Create a vector numbers from 7 to 15 in increments of 2

約3年前

解決済み

Find out value of sine given by degree.
Find out value of sine given by degree. If theta=30, it's value must be 0.5.

約3年前

解決済み

Convert degrees to radians
Given input in degrees, output to radians

約3年前

解決済み

metre to feet converter
The idea is to make a converter, which exchange meters to feets. We use a factor of 1m = 3.281*1f. so 3m are equals to 9.843 m...

約3年前

解決済み

Energy of an object
Calculate the total mechanical energy of an object. Total Energy= Potential energy + Kinetic energy P.E.=m*g*h K.E.=1/2...

約3年前

解決済み

Find the sum of n squares
What is the sum of the squares of the first n integers?

約3年前

解決済み

How many monitors are connected ?
How to obtain the numbers of monitors connected to your computer ?

約3年前