update 2003/9/15
- not so Frequently Asked Questions -
English |
Japanese
Introduction to gnuplot
Basic Use - from start to the end
Use for a Numerical Calculation - Plots of Calculated Results
Use for Experimental Data - Plots of Experimental Data
Life with gnuplot
Plotting styles
General Information
Where can I get the current version of gnuplot ?
Where can I get FAQ of gnuplot ?
What can I do if I find some mistakes in this document ?
Do I have an archive of this web-site ?
Notes on the gnuplot version
(J)
About this site
About Legend
How do I erase a legend ?
How do I change a location of a legend ?
How do I get rid of error bars in a legend ?
Location of the text is sometimes strange when Postscript symbols are used in it.
Adjust the line-skip
Make a frame-box
About Tics
How do I change an appearance of tics on each axis ?
I want to use an exponent instead of a decimal like 0.001 in a log-scale plot.
How do I change the format of the numbers ?
How do I erase numbers ?
I want to make intermediate values in the logarithmic tics.
About Label
I want to use super/subscripts in a text.
I want to use Greek letters in a text.
How do I adjust an interval between X,Y axes and their labels ?
How do I specify positions and coordinates of labels ?
I want to draw arrows in my figure.
About 2-Dimensional Plot
I want to make a fixed-size plot.
I want to use both sides of Y-axes.
I want to erase axes.
I want to draw a square or fixed aspect ratio figure.
I want to draw a zero axis.
I want to get rid of small bars which appear at the top of error bars.
I want to make letters larger.
I want to connect all points with some smooth curves.
I want to erase points those are on border.
I want to draw several figures on one drawing.
I want to draw a grid at minor tics.
I want to draw two axes in the different scale
I want to make grid at an arbitrary position.
A small figure in a figure
A simple bar-chart
Align two figures those show the same data in a different way.
Place two figures in a different scale.
Compare two similar data with each other by absolute values and ratio.
About 3-dimensional Plot
Why the origin of Z-axis is not on the XY-plane ?
I want to make a surface mesh finer.
How do I change a view point ?
How do I change contours ?
I want to draw only contours on the 2-dimensional plot.
How do I draw a 3-dim. grid graph from 3-Dim scattered data ?
About Polar Coordinate
to plot data in the 2-dimensional polar coordinate.
to draw lines from data-points to the origin.
to draw grids.
About Parametric Functions
use of parameters
to draw a virtical line
to draw a circle, polygons
Plotting Numerical Data in a Data File
What is the format which gnuplot can recognize ?
2-dimensional data
3-dimensional data
matrix
How do I plot several data sets in a single file ?
I want to modify values in my data file when plotting.
I want to put some plotting commands in a data file.
I want to eliminate some data points.
How do I plot a part of data in a file ?
How do I use UNIX commands inside gnuplot ?
sort
paste
sed
awk
After Plotting
I want to put a figure in my TeX document.
I want to merge several figures into one figure.
How do I convert a figure into image formats like PNG ?
How do I change colors in a PostScript figure ?
I want to get rid of a right-side margin in a square figure.
Miscellaneous Stuff
Ternary operator (A ? B : C)
Loop
Least-Squares Fitting with non-linear functions (I)
Least-Squares Fitting with non-linear functions (II)
What is the dumb terminal ?
How do I make a figure with many kinds of lines ?
Special Functions
Spherical Harmonics
Parametric
Spherical harmonics
Various angular momenta and magnetic quantum numbers
Fractal
Recursive definition
Mandelbrot set
Self-Squared fractal
Gallery (Examples)
Set Commands
An example of use of gnuplot for technical paper submission
A simple "access analyzer" for WWW with gnuplot
Comparison of some major terminals
The items with the sign
(J)
above are in Japanese.
Comments are welcome
kawano@lanl.gov