Category "gnuplot"

Plotting bar charts in gnuplot with nan values

I would like to plot a bar chart with bars side by side as shown here. The format of my data is the same as shown in the examples. Each column contains the valu

For and if in gnuplot

I have a little problem, I need to join the for loop with the if condition to graph different functions quickly, here I leave the prototype code reset set termi

Gnuplot heatmap interpolation with svg

I am trying to plot a heatmap using gnuplot (5.2.8) with the SVG terminal. Gnuplot interpolates the colors between the center points of the cells. When I use th

Gnuplot: Use of "graph 0" and "graph 1" when drawing rectangles

I'd be happy about some enlightenment on the use of "graph 0" and "graph 1": Goal is to draw rectangles into a graph, but while painting the whole background wo

semi-log scale linear regression [Gnuplot]

I have an experimental data set that I linearize on a semi-log scale and of which I want to run a linear regression. The problem is that when I set a line as a

gnuplot, problem with margins in spiderplot

I am trying to create a spider plot using data from several files. Everything is in order (axes, values etc) with the exception of the margins and plot title po

Reading a data file with multiple blocks as one coherent data file

Suppose I have a data file that consists of multiple blocks like the following: 0 0 1 1 2 2 3 3 4 4 5 5 Now let us plot this file: plot "data.dat" w lines

Connect points from different files with gnuplot

I have a variable number of files with a single row and 2 columns. I already plot the data in one window using plot for [i=1:7] './data'.i.'.txt' using 1:2 wit

Gnuplot: store last data point as variable

I was wondering if there is an easy way, using Gnuplot, to get the last point in a data file say data.txt and store the values in a variable. From this questio

How do I improve my fit of the double slit diffraction in gnuplot?

I wrote this code to fit the intensity equation of a double slit diffraction over my measured data. The problem is that the fit graph isnt proportional to the p

Plotting file rows as a function of first row in sequence with gnuplot

I am trying to animate the time evolution of the probability density of a wave-function of a system (1D), and already created a file with the amplitude of each

plot spheres in gnuplot from file

I have a file with 4 columns (radius,x,y,z) that contains on each line the coordinates of a sphere and its radius. Could you please help me to plot these sphere

3D histogram with gnuplot or octave

I would like to draw a 3D histogram (with gnuplot or octave) in order to represent my data. lets say that I have a data file in the following form: 2 3 4 8

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