Create a row vector of length n, filled with 4's. For example, if n = 3,
output = [4 4 4]
Search for the function 'ones' in MATLAB help.
Example: y = ones (1,5) = [1 1 1 1 1]
please fix the description
Filled with "5" not "4".
Determine Whether an array is empty
Check that number is whole number
If you have matrix A, create matrix B using matrix A as an "element"
Square root of a number
Given the variable x as your input, multiply it by four, then divide it by two. Then put the result in y.
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