**3**

votes

**3**answers

9k views

### Specifically marking a point in gnuplot

suppose I want to plot a graph and I want to show on the graph some important points. How do I do this in gnuplot? For example, in the graph of y = x2, I want to show (2,4) and (4,16).

**0**

votes

**0**answers

773 views

### Plotting multiple xy pairs in Gnuplot from file

I have a data series that I'm trying to plot in Gnuplot of the format:
x1, y1, x2, y2 ... xn, yn
Where every two adjacent columns represent an xy pair. I'm looking for a way to plot each of these ...

**1**

vote

**1**answer

15 views

### Gnuplot: a different way to write the same function in 1d and 2d

I am confused about following type of function
f(x) = b/x**nb * exp(y_(y)/k)
f(x,y) = (b/(x**nb))*exp(y/k)
Here y seems to be the same in the two expression.
I would like to understand the ...

**0**

votes

**0**answers

8 views

### Logs of Gnuplot for startupt?

I have now many times uninstalled and installed different gnuplots.
However, now, the gnuplot with qt crashes in the startup if I simply run
gnuplot -e "plot 'data.dat'"
The crash occurs such ...

**0**

votes

**0**answers

67 views

### Missing commands in gnuplot history

I came upon a very annoying bug in gnuplot. I often plot data files by e.g.
p "my_datafile.dat"
I use this command quite frequently. So I will have a lot of entries with this very command in my ...

**1**

vote

**0**answers

42 views

### Automatically open a file when gnuplot starts on Windows

I would like to assign gnuplot to .gnuplot files (gnuplot scripts) on Windows 8.1, in such a way that the gnuplot environment starts with the script file loaded.
For this I would need to pass the ...

**0**

votes

**0**answers

24 views

### I cannot get gnuplot to output lines to a PNG file

I am trying to create a simple image that shows plotted points with lines connecting them. I know this is very simple, but I don’t get connecting points, I just get tiny dots. I have a very simple ...

**3**

votes

**1**answer

57 views

### How to use mathematical functions not built-in in gnuplot

I've always considered gnuplot as very useful, and even more since I use tikz in LATEX documents. Unfortunately, the number of core implemented functions in gnuplot is quite small, I often need ...

**0**

votes

**0**answers

40 views

### How can I edit the delay of the first frame of an animated gif

I've assembled a gif using gnuplot, however I want the first frame to be still for a few seconds before the graphic starts animating. How can I edit the delay of the first frame of the gif?

**1**

vote

**1**answer

1k views

### Cannot install gnuplot with aquaterm support (OS X Yosemite)

I'm having issues trying to get aqua term support in gnuplot.
I've installed aquaterm, rebooted the system, then installed gnuplot using homebrew.
When I start gnuplot, it sets terminal to 'unknown' ...

**1**

vote

**2**answers

3k views

### How to connect points with curves in gnuplot

I have some data that I want to connect them with smooth curves. I do not want lines. I am attaching some points below. Instead of lines, I want to have a curve. Can anyone tell me how to do this in ...

**3**

votes

**1**answer

10k views

### How do I divide one column in gnuplot?

I have gnuplot data file.
I would like to plot it, but divide every value in the x-axis by n.
Can I do this from within gnuplot, or do I have to rewrite the data file?

**-1**

votes

**1**answer

755 views

### Gnuplot output cropped when changing aspect ratio regardless of terminal type

Gnuplot doesn't usually provide me with such problems, but when I set the aspect ratio manually, or with 'set size square' the top part of the plot is cut/cropped off. Doesn't matter if term is aqua, ...

**3**

votes

**1**answer

490 views

### Looking for a graph program for time series

I want to find software (Windows or Linux) that can create time based graphs with the following wishes. Can you suggest which programs come closest to my wishes?
Whishlist:
The x-axis has to ...

**0**

votes

**1**answer

84 views

### Plot an area defined by a parameter range of

If I have something like this:
y = sin(x+z)
How can I plot the values of y, as a function of x and all the possible values of z in [-0.1, +0.1]?
That is, I want the area defined by those limits. ...

**1**

vote

**0**answers

187 views

### Plotting timedata in gnuplot

I have a log file (auth.log) where non-relevant lines has been removed.
I wish to aggregate lines per hour/day into the plot, meaning that each line that is within the same hour or day is aggregated ...

**1**

vote

**1**answer

394 views

### Plot .gnu file with gnuplot

I have a file with .gnu extension.It contains gnuplot commands. I want to show up the graph, using gnuplot. So, which command is right for this.

**0**

votes

**0**answers

47 views

### Scale patterns in Gnuplot (without resizing the whole output)

I want to create a plot with the eps terminal using patterns to fill the area between some curves, for example using these commands:
set terminal eps size 4, 4
set output "plot.eps"
plot x**2 with ...

**0**

votes

**1**answer

134 views

### Data comparison and plotting in gnuplot

The data that I have is in this format in the text file :
#REY2_0 REY1_0 alpha1 alpha2 omega
100 200 (-0.1,0) (1,0) (0.94379237,-0.052310783)
The list of values is quite long. ...

**3**

votes

**2**answers

633 views

### How to plot data for several signals, one above the other?

Following this question.
How can I command gnuplot to draw this plot:
(from the bottommost example on this page).
I guess I need to do something similar to what is being done here. But what
...

**1**

vote

**2**answers

170 views

### Change the default shell of gnuplot

My question is: How can I change the default shell of gnuplot? I want to change it in order to send stdout to bash.
This should be pretty easy, but I'm giving up. Here's why.
I'm running gnuplot ...

**0**

votes

**0**answers

139 views

### merge two functions to plot 3D graphic on Excel or gnuplot

I study the emission of particles from a component. I get a nice curve of the variation of particles concentration C(t) on time(t) using Excel.
I have also a curve of the variation of particles ...

**0**

votes

**1**answer

201 views

### gnuplot plot points connected by line, nearest point instead

I have a number of points out of a countour plot of a circle. Unfortunately the points are ordered by coordinate position. If I plot the data with "lines" as style data, gnuplot draws lines through my ...

**6**

votes

**1**answer

346 views

### Plotting Pairs of Ordered Pairs in Gnuplot

If I have a data file with 4 columns:
x1, y1, x2, y2,
How can plot a line connecting (x1, y1) to (x2, y2) for each element (row)?
I assume it is pretty easy, but I have been playing around for an ...

**2**

votes

**1**answer

3k views

### create a smooth surface using x,y,z data gnuplot

I have a file which contains x,y,z data. Actually, the data is:
x = latitude
y = longitude
z= Depth
I want to create a smooth surface but I have no idea how to do it. Could anybody give me some ...

**0**

votes

**2**answers

1k views

### How to set axis same in length in gnuplot

I am making a map with gnuplot. But, I find that the length of X axis is not equal with the Y axis. For example, the length of X from 0 to 10 is 20 pixels while 15 pixels in Y axis from 1 to 10. Can I ...

**0**

votes

**1**answer

153 views

### Any way to get AquaTerm to tile automatically from Gnuplot?

I know how to set the window size for Aquaterm from Gnuplot, but is there a way to get AquaTerm to tile multiple windows automatically, when writing commands in Gnuplot?
(BTW, just a simple YES or NO ...

**0**

votes

**1**answer

237 views

### Unable to plot png in gnuplot

i need to plot png files in gnuplot 4.6.3 and/or 4.6.4.I am unable to do so as set term does not list "png" as an option.
system information is
Linux masterx-Studio-1535 3.5.0-27-generic #46-Ubuntu ...

**0**

votes

**1**answer

631 views

### gnuplot not working on ubuntu

My initial problem is that i am unable to find png as list of terminals in set term. So using the link http://askubuntu.com/questions/393882/png-terminal-in-gnuplot, I installed the gd library.And ...

**0**

votes

**1**answer

144 views

### How to “clear” the plot when using streamed feedgnuplot?

I want to display a set of moving points.
I try using feedgnuplot for this:
$ feedgnuplot --domain --stream trigger
1 2
2 3
3 4
replot
After that it shows 3 points. Now I want to update their ...

**0**

votes

**1**answer

121 views

### How to add lines to a gnuplot with image?

I'm having trouble trying to add lines to an image plot. Here's an example illustrating the problem
plot 'xyz.dat' using image
set arrow 0,0 to 1,1 nohead
replot
Yet no lines appear. Is it even ...

**3**

votes

**1**answer

340 views

### How can I graph memory usage by user?

Basically, I want to graph the memory usage with each username as title, as time passes by. I would set that script as a cron job, to create a graph that shows memory usage of certain usernames.
How ...

**1**

vote

**1**answer

720 views

### GNUPLOT on Lion using Homebrew

After upgrading to OSX 10.7.4 I had to reinstall GNUPLOT which is always a hassle. I decided that I would try Homebrew instead of Fink or MacPorts.
Ofcourse, before installing Homebrew one needs the ...

**2**

votes

**2**answers

378 views

### Plot custom log data on GNU/Linux

I'm logging some data relative to clients NFS usage over a network. Now I want to plot it on a lines diagram, and I'm overwhelmed by the possibilities I'm finding out there. No one seems to be easy to ...

**3**

votes

**1**answer

321 views

### How do I use gnuplot to create a 3d phase-space plot?

Have a look at this webpage - enclosed but not encrypted
For a three-dimensional phase-space plot, the sequence a, b, c, d, e,
f, etc. can be used as space coordinates (a-b, b-c, c-d), (b-c, ...

**1**

vote

**1**answer

267 views

### bad interpreter shell script

Hi I'm trying to write a shell script for plotting with gnuplot however I keep running into the error: bash: ./plot.sh: usr/bin/gnuplot: bad interpreter: No such file or directory
I have checked the ...

**0**

votes

**1**answer

77 views

### gnuplot used defined function - is there comprehensive documentation?

I am trying to write a cumulative function (my version of gnuplot does NOT have smooth cumul option!)
But the documentation for user-defined functions is very limited. For example what does this do? ...

**14**

votes

**2**answers

9k views

### In gnuplot, how to plot with lines but skip missing data points?

I've got a value associated to each day, as such:
120530 70.1
120531 69.0
120601 69.2
120602 69.5
# and so on for 200 lines
When plotting this data in gnuplot with lines, the data ...

**1**

vote

**1**answer

2k views

### Specifically define colors of bars in histogram

See updated question below!:
(1 Old stuff)
I have the following code:
clear
reset
unset key
# Make the x axis labels easier to read.
set xtics rotate out
# Select histogram data
set style data ...

**4**

votes

**1**answer

564 views

### Looking up gnuplot abbreviations

I'm new to gnuplot. I am reading the manual but am having a hard time finding explanations for some of the abbreviations people use in their scripts. For example, I am working with an script that ...

**2**

votes

**2**answers

155 views

### gnuplot - operating on a two digit column

I'm trying to operate on a column prior to its plotting. This is the line I'm having issues with:
plot campo1 u 1:($22*0.05)
where campo1 is the path to the file. The problem is that gnuplot ...

**4**

votes

**2**answers

663 views

### How can I split the wedges of a pie chart to show extra information per wedge in consecutive rings?

I'm plotting disk partitioning and available space.
I have a pie chart showing the partitioning: e.g. 30% /, 70% /home.
In the second ring I want to show that 90% / is full, 10% of / is empty. 10% ...

**0**

votes

**0**answers

448 views

### Trouble with Aquaterm on Mac OSX 10.7.4

I was working on a project in Octave with GNUPlot, and had no trouble with Aquaterm until i recently installed some software updates. Aquaterm has suddenly stopped working altogether and i can't ...

**0**

votes

**0**answers

985 views

### Wrap title in Gnuplot

I's all in the subject.
I use a (long) line from the data file as title, and Gnuplot doesn't wrap it.
Any hints appreciated.

**2**

votes

**1**answer

792 views

### How to make gnuplots fullscreen?

How can I make gnuplot plot its plots in full-screen instead of a small window?

**0**

votes

**1**answer

901 views

### gnuplot on Mac OS X lion

I've installed gnuplot using Mac Ports on a machine running Mac OS X 10.7. The installation exited without any errors or even warnings, however when I try to run it the following shows up:
dyld: ...

**0**

votes

**1**answer

1k views

### Labeling values in a GNUplot heatmap

I am trying to generate a heat map using gnu plot.
set title "Heat Map"
plot '-' matrix with image
10 20 30 40 50 60 70 80 90 100
20 30 40 50 60 70 80 90 100 0
30 40 50 60 70 ...

**0**

votes

**1**answer

1k views

### Making 1D histogram out of 2D data using gnuplot?

I have data of the form:
x1 y1
x2 y2
...
where each cuople x, y represents a point in the 2D plane.
I need a histogram of the point spread in the y-direction (eg. bin all points with similar ...

**0**

votes

**1**answer

537 views

### How do I divide two datasets in gnuplot?

I am using gnuplot and I have two seperate data files and I would like to divide every values of the x-axis from dataset 1 with every value of x-axis with dataset 2. The same with y-axis..How can I do ...

**3**

votes

**2**answers

4k views

### Software GNUPlot not launching from GNU Octave

I'm trying to launch GNUPlot from Octave, but when I do I get the following error:
octave-3.4.0:3> plot(x,y)
dyld: Library not loaded: /usr/X11/lib/libfreetype.6.dylib
Referenced from: ...