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fit f(x) 'file' via uses the Marquardt-Levenberg method to fit data.
(This is only slightly different from the
gnufit patch available for 3.5.)
2. Greatly expanded
using command. See
set timefmt allows for the use of dates as input and output for time
series plots. See
Time/Date data and
4. Multiline labels and font selection in some drivers.
5. Minor (unlabeled) tics. See
key options for moving the key box in the page (and even outside of the
plot), putting a title on it and a box around it, and more. See
7. Multiplots on a single logical page with
postscript driver with super/subscripts and font changes.
(This was a separate driver (
enhpost) that was available as a patch for
9. Second axes: use the top and right axes independently of the bottom and
left, both for plotting and labels. See
10. Special datafile names
11. Additional coordinate systems for labels and arrows. See
set size can try to plot with a specified aspect ratio.
set missing now treats missing data correctly.
load with arguments.
15. More flexible
range commands with
set encoding for multi-lingual encoding.
x11 driver with persistent and multiple windows.
18. New plotting styles:
financebars and more.
19. New tic label formats, including
"%l %L" which uses the mantissa and
exponents to a given base for labels. See
20. New drivers, including
cgm for inclusion into MS-Office applications
gif for serving plots to the WEB.
21. Smoothing and spline-fitting options for
set margin and
set origin give much better control over where a
graph appears on the page.
set border now controls each border individually.
24. The new commands
reread allow command loops.
25. Point styles and sizes, line types and widths can be specified on the
plot command. Line types and widths can also be specified for grids,
borders, tics and arrows. See
plot with. Furthermore these types may be
combined and stored for further use. See
26. Text (labels, tic labels, and the time stamp) can be written vertically by those terminals capable of doing so.
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