## FLOAT Convert to 32-bit Floating Point

Section: Type Conversion Functions

### Usage

Converts the argument to a 32-bit floating point number. The syntax for its use is

       y = float(x)

where `x` is an `n`-dimensional numerical array. Conversion follows the general C rules. Note that both `NaN` and `Inf` are both preserved under type conversion.

### Example

The following piece of code demonstrates several uses of `float`. First, we convert from an integer (the argument is an integer because no decimal is present):

    --> float(200)

    ans =

     200

In the next example, a double precision argument is passed in (the presence of a decimal without the `f` suffix implies double precision).

    --> float(400.0)

    ans =

     400

In the next example, a dcomplex argument is passed in. The result is the real part of the argument, and in this context, `float` is equivalent to the function `real`.

    --> float(3.0+4.0*i)

    ans =

     3

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.

    --> float('helo')

    ans =

     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.

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