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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 ...

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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...

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Celsius to Kelvin
Convert Celsius degrees to Kelvin temperature.

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Close MATLAB with keyboard
Close MATLAB with keyboard without using mouse

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

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

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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 ...

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

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Horizontal matrix sort
Given a matrix x with n rows and m columns, return a matrix y with n rows and 2m columns, such that every row in x is sorted fro...

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Vertical matrix sort
Given a matrix x with n rows and m columns, return a matrix y with 2n rows and m columns, such that every column in x is sorted ...

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Create incrementing array
Given a and b generate an output matrix as shown in following examples: a=2 b=5 output=[2 20 200 2000 20000] a=4 b...

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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,...

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Area of a circle
Find the value for area of the circle if diameter is given

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Test if a number is numeric or not
Test if a number is numeric or not

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The sum of the numbers in the vector
eg. [1,2,3]---->SUM=6

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factorial of a number x
Factorial of a number x

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Area of rhombus
Calculate the rhombus area

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Sum of Two Numbers
Given two integer numbers x and y, calculate their sum and put it in z. Examples: Inputs x = 2, y = 4 Output z is 6 ...

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Number of Horns on a unicorn!
Calculate the number of horns on a *unicorn*! And I'm talking about a unicorn with not more than one horn on it!

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Find the minimum element of the matrix
Example: If x = [3 9; 5 2] then y = 2

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Create a Standard Size Vector
Given an input x, create a row vector y from 1 to x with 5 elements.

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

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Given a square and a circle, please decide whether the square covers more area.
You know the side of a square and the diameter of a circle, please decide whether the square covers more area.

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find the roots of a quadratic equation
for e.g x = [ 2 -1 -3] y = [1.5 -1]

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Create a Matrix of Zeros
Given an input x, create a square matrix y of zeros with x rows and x columns.

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Find the hypotenuse
Given a and b (the two sides of a right-triangle), find c, the hypotenuse.

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y equals x divided by 2
function y = x/2

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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...

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Back to basics 10 - Max Float
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive floating-point number MATLAB can han...

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Test of Quiz
Answer the questions and write in vector. Only one answer is correct. The founder of fuzzy logic is 1a) D. Golberg 1b)...

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