writedat (
        fname,
        matrix,
        header="",
        formatstring="%g",
        )

Dumps a one- or two-dimensional NumPy array into a file

One-dimensional arrays are dumped as a column

Arguments:

fname

Output file name

matrix

NumPy array to dump (one- or two-dimensional)

Optional arguments:

header

Header lines for the file. Remember to provide the appropiate first character on each line if you want them to be considered as comment.

formatstring

A python format string to specify the format in which the array will be written. A single blank space will be added between each record. Defaults to "%g"