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Draw 'F'
Draw a x-by-x matrix 'F' using 1 and 0. (x is odd and bigger than 4) Example: x=5 ans= [1 1 1 1 1 1 0 0 0 0 ...

meer dan 3 jaar ago

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Draw 'H'
Draw a x-by-x matrix 'H' using 1 and 0. (x is odd and bigger than 2) Example: x=5 ans= [1 0 0 0 1 1 0 0 0 1 ...

meer dan 3 jaar ago

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Draw a 'N'!
Given n as input, generate a n-by-n matrix 'N' using 0 and 1 . Example: n=5 ans= [1 0 0 0 1 1 1 0 0 1 1 0 ...

meer dan 3 jaar ago

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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

meer dan 3 jaar ago

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Celsius to Kelvin
Convert Celsius degrees to Kelvin temperature.

meer dan 3 jaar ago

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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...

meer dan 3 jaar ago

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

meer dan 3 jaar ago

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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

meer dan 3 jaar ago

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Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

meer dan 3 jaar ago

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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 ...

meer dan 3 jaar ago

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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

meer dan 3 jaar ago

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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 ...

meer dan 3 jaar ago

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Given the variable x as your input, multiply it by four, then divide it by two. Then put the result in y.
If x = 5, y = 4*5/2 = 10

meer dan 3 jaar ago

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Determine the square root
Determine the square root of the value the user has entered, n.

meer dan 3 jaar ago

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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...

meer dan 3 jaar ago

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Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

meer dan 3 jaar ago

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Change matrix to vector2
From x = 4 3 5 1 5 1 To y = 4 3 5 1 ...

meer dan 3 jaar ago

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Change matrix to vector
Vector is a matrix whose size is 1 x n or n x 1. Change matrix to vector. x = 4 3 5 1 ...

meer dan 3 jaar ago

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Find remainder when x is divided by 3
Find remainder when x is divided by 3

meer dan 3 jaar ago

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

meer dan 3 jaar ago

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Area of a Square
Given the length x of the side of a regular square, find the area of the square, A.

meer dan 3 jaar ago

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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...

meer dan 3 jaar ago

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

meer dan 3 jaar ago

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Write a code that will follow the equation y = x * (x + x) * x.
If x = 5, y = 5 * (5+5) * 5 = 250

meer dan 3 jaar ago

Answered
Why Do I keep getting NaNs in my code???
NaN stands for Not a Number. If your variable/matrix/input does not have the specific number/range that should meet the argument...

meer dan 3 jaar ago | 0

Answered
MATLAB Cody locked solutions to a solved problem
Yes, you cannot view the solutions which are shorter than your solution in size. You can only view the solutions which are of s...

meer dan 3 jaar ago | 0

Question

My problems are vanished
I created some problems last night and created a group too. All those are now missing. Also my ranking progress, activites, bad...

meer dan 3 jaar ago | 1 answer | 0

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

meer dan 3 jaar ago

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Min of a Matrix
Return the minimum value in the given matrix.

meer dan 3 jaar ago

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Matlab Basics II - squares
Write a function that takes matrix A, and squares each element in the matrix example: A = [1 2 3] output = [1 4 9]

meer dan 3 jaar ago