UINT32 Convert to Unsigned 32-bit Integer

Section: Type Cast Functions

Usage

Converts the argument to an unsigned 32-bit Integer. The syntax for its use is
   y = uint32(x)

where x is an n-dimensional numerical array. Conversion follows the general C rules (e.g., if x is outside the normal range for an unsigned 32-bit integer of [0,4294967295], the least significant 32 bits of x are used after conversion to an integer). Note that both NaN and Inf both map to 0.

Example

The following piece of code demonstrates several uses of uint32.
--> uint32(200)
ans = 
  <uint32>  - size: [1 1]
 200  

In the next example, an integer outside the range of the type is passed in. The result is the 32 least significant bits of the argument.

--> uint32(40e9)
ans = 
  <uint32>  - size: [1 1]
 1345294336  

In the next example, a negative integer is passed in. The result is the 32 least significant bits of the argument, \emph{after} taking the 2's complement.

--> uint32(-100)
ans = 
  <uint32>  - size: [1 1]
 4294967196  

In the next example, a positive double precision argument is passed in. The result is the unsigned integer that is closest to the argument.

--> uint32(pi)
ans = 
  <uint32>  - size: [1 1]
 3  

In the next example, a complex argument is passed in. The result is the unsigned integer that is closest to the real part of the argument.

--> uint32(5+2*i)
ans = 
  <uint32>  - size: [1 1]
 5  

In the next example, a string argument is passed in. The string argument is converted into an integer array corresponding to the ASCII values of each character.

--> uint32('helo')
ans = 
  <uint32>  - size: [1 4]
 
Columns 1 to 4
 104  101  108  111  

In the last example, a cell-array is passed in. For cell-arrays and structure arrays, the result is an error.

--> uint32({4})
Error: Cannot convert cell-arrays to any other type.