### Power spectrum

`spectrum [-f# -w# -o` outfile`-l# -x# -c# -V# -h]` file(s)

> `-f` sampling rate (e.g. in Hz, default 1.)
> `-w` frequency resolution (e.g. in Hz, default 1/N)
> `-l` number of values to be read (all)
> `-x` number of values to be skipped (0)
> `-c` column to be read (1 or file,#)
> `-o` output file name, just `-o` means file`_sp`
> `-V` verbosity level (0 = only fatal errors)
> `-h` show this message

Computes a power spectrum by binning adjacent frequencies according to the option `-w`. Output file file_sp (frequency, spectrum).

See also mem_spec

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