upper

Converting characters to upper case

Usage

upper(A)

• A is an array of any data type.
• It converts characters in A to upper case.
• A remains unchanged if it is not a character array.
• It returns an empty matrix if A is empty.

Example

Input

U = upper('AmazinG 😱')
L = lower(U)

Output

U = 
AMAZING 😱

L = 
amazing 😱