Solved

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 ...

4 years ago

Solved

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 ...

4 years ago

Solved

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 ...

4 years ago

Solved

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...

4 years ago

Solved

Celsius to Kelvin
Convert Celsius degrees to Kelvin temperature.

4 years ago

Solved

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...

4 years ago

Solved

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

4 years ago

Solved

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.

4 years ago

Solved

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...

4 years ago

Solved

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 ...

4 years ago

Solved

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

4 years ago

Solved

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 ...

4 years ago

Solved

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

4 years ago

Solved

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

4 years 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...

4 years 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.

4 years ago

Solved

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

4 years 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 ...

4 years ago

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

4 years ago

Solved

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

4 years 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.

4 years 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...

4 years ago

Solved

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

4 years ago

Solved

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

4 years 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...

4 years 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...

4 years ago | 0

Discussion

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...

4 years 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...

4 years ago | 1 answer | 0

1

answer

Solved

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

4 years ago

Solved

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

4 years ago