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Matlab Basics II - Count rows in a matrix
Write a function that returns that number of rows in a vector or matrix x example: x = [1; 2; 3] output = 3

6ヶ月前

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Remove the Zero
Given an array n, remove all zeros

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

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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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Roots
Find out the roots of a given polynomial equation.Given are the coefficients of the equation.

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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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convert matrix to single column
given any matrix, convert it to single column

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What is Sum Of all elements of Matrix
Given the matrix x, return the sum of all elements of matrix. Example: Input x = [ 1 2 0 0 0 0 6 9 3 3 ] ...

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

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Divisible by 5
Pursuant to the <http://www.mathworks.com/matlabcentral/cody/problems/42404-divisible-by-2 first problem> in this series, this o...

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Is it a number?
Determine if input is numeric. If it is,output is 1; if it is not, output is 0.

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

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Equal to their cube
Tell me three real numbers that are equal to their cubes?

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Array of Ones
Create a 100 X 100 array of ones.

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Find the area of a triangle
Given a triangle with a base b and height h, return the triangle area.

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Unit Matrix
Given n, you should return an n-by-n unit matrix. Example: If input is n=2 then A = [ 1 0 0 1 ] If input is n=4 th...

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Square the input
Given a scalar or vector x, return the square of each element. Example x = [7 2] answer = [49 4]

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Find out sum of all elements of given Matrix
Find out sum of all elements of given Matrix A=[1 2 3;4 5 6 ;7 8 9]; Answer must be: 45 *If you like this problem, pl...

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find the maximum element of the matrix
for e.g x = [1 2; 3 4] y = 4

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

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Reverse a matrix
Its simple. You have to reverse a given matrix.

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Column norms of a matrix
Given a matrix M, return a vector y such that for each k y(k)=norm(M(:,k)) (y(k) is the Euclidean norm of the k-th col...

6ヶ月前

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Volume and area of a sphere
Input(r) - radius Output([v,s]) - volume and area

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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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Do you like your boss?
Do you like your boss? Answer can be any string! For example: Boss = 'Do you like your boss?'; Output = 'yes' or ...

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Find the dimensions of a matrix
Just find the number of columns of the given matrix. Example x = [1 2 3 4 5 6] y = 2

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

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Area of a circle
Given the radius x, y would be the area of a circle. Pi = 3.1416

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Sum of the Matrix Elements
Add up all the elements in a NxM matrix where N signifies the number of the rows and M signifies the number of the columns. E...

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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]...

6ヶ月前