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LOWER Convert strings to lower case

Section: String Functions

# Usage

The `lower` function converts a string to lower case with the syntax

       y = lower(x)

where `x` is a string, in which case all of the upper case characters in `x` (defined as the range `'A'-'Z'`) are converted to lower case. Alternately, you can call `lower` with a cell array of strings

       y = lower(c)

in which case each string in the cell array is converted to lower case.

# Example

A simple example:

    --> lower('this Is Strange CAPitalizaTion')

    ans =
    this is strange capitalization

and a more complex example with a cell array of strings

    --> lower({'This','Is','Strange','CAPitalizaTion'})

    ans =
     [this] [is] [strange] [capitalization]