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Section: Type Conversion Functions
The cast function allows you to typecast a variable from one type to another. The syntax for its use is 
y = cast(x,toclass)
 where toclass is the name of the class to cast x to. Note that the typecast must make sense, and that toclass must be one of the builtin types. The current list of supported types is 
'cell' for cell-arrays  'struct' for structure-arrays  'logical' for logical arrays  'uint8' for unsigned 8-bit integers  'int8' for signed 8-bit integers  'uint16' for unsigned 16-bit integers  'int16' for signed 16-bit integers  'uint32' for unsigned 32-bit integers  'int32' for signed 32-bit integers  'uint64' for unsigned 64-bit integers  'int64' for signed 64-bit integers  'float' for 32-bit floating point numbers  'single' is a synonym for 'float'  'double' for 64-bit floating point numbers  'char' for string arrays  Here is an example of a typecast from a float to an 8-bit integer
--> cast(pi,'uint8') ans = 3
and here we cast an array of arbitrary integers to a logical array
--> cast([1 0 3 0],'logical') ans = 1 0 1 0