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Data Operations
Methods that operate on data values, such as arithmetic operators, always return an
object of the built-in type (not of the subclass type). For example, multiplying DocUint8
objects returns a uint8 object:
a = img1.*1.8;
showImage(a);
Undefined function 'showImage' for input arguments of type 'uint8'.
To perform operations of this type, implement a subclass method to override the inherited
method. The times method implements array (element-by-element) multiplication.
Add this method to the DocUint8 class:
Subclasses of Built-In Types Without Properties