WXMAXIMA PLOT LABEL

It is similar to the gnuplot format except that the commands are sent to gnuplot through a pipe, while the data are saved into the file maxout. All other options should also be lists, starting with a keyword and followed by one or more values. Used in plot3d to set the effective range of values of z that will be shown in the plot. The first item is the name of an option, and the remainder comprises the value or values assigned to the option. This format is not available in Windows platforms. Updates the gnuplot window.

The option -persist tells gnuplot to exit after the commands in the file have been executed, without closing the window that displays the plot. Each of the styles can be enclosed inside a list with some additional parameters. The default value is “set size 1. When only one number is given, it will be used as the increment from an initial value that will be chosen automatically. The default name for that graphic file is maxplot. If there are more plots than the number of labels given, they will be repeated. In some cases the, the assigned value is a list, which may comprise several items.

A parametric plot is defined by a list starting with the keyword parametricfollowed by two expressions or function names and a range for the parameter. The first item is the name of an option, and the remainder comprises the value or values assigned to the option.

It can be either true or false. Elements of this list state the default options for plotting. See the gnuplot documentation for more information.

This is an old option that has been replaced by legend described above. The second and third numbers can be omitted.

Multiple commands should be separated with a semi-colon. If the function grows too fast, it might be necessary to limit the values in the vertical axis using the y option:.

Sometimes it is necessary to define a function to plot the expression. There are two transformations defined by default: Modify the grid and x values. This variable is used to parse the argument that will be passed to the gnuplot program when the plot format is gnuplot.

Maxima Manual: Plotting

Maxima uses an external plotting package to make the plots see the section on Plotting formats. The gnuplot command to set the terminal type for the PostScript terminal. If a Maxima plotting command fails to show anything, that file can be inspected to look for possible sources of problems. They will make the horizontal and vertical axes be scaled logarithmically.

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Notice the single quote in the definition of the function, to prevent plot3d from failing when it realizes that the matrix will require integer indices. Draws a curve connecting the points in ptlist. Each of the styles can be enclosed inside a list with some additional parameters.

By default it has the value truewhich means that the two axis, x and y, wsmaxima be displayed. For instance, typing logx as an option is equivalent to writing [logx, true]. If that option is used, the plot will show that exact vertical range, independently of the values reached by the plot. The possible objects that can be used are: The gnuplot command to set the terminal type for the PDF terminal.

It closes the current output stream pstreamand sets it to nil. To show some examples of discrete plots, we will start by entering the coordinates of 5 points, in the two different ways that can be used:. The function to be plotted may be specified as the name polt a Maxima or Lisp function or operator, a Maxima lambda expression, or a general Maxima expression. Mgnuplot offers a rudimentary GUI for gnuplot, but has fewer overall features than the plain gnuplot interface.

That location can be wxmaximw by assigning to that variable a string that represents a valid directory where Maxima can create new files. Wwxmaxima style can be either lines for line segments, points for isolated plog, linespoints for segments and points, or dots for small isolated dots.

If that option is used, the plot will show that exact vertical range, independently of the values reached wxmaxina the plot. Discrete expressions may also be used instead or ordinary or parametric expressions: If Maxima is being run from xmaxima itself, this format will make the plot functions send the data and commands through the same socket used for the communication between Maxima and Xmaxima.

You can add any options accepted by plot3d ; for instance, the option legend with a value of false, to remove the legend. Makes the vertical axes pllot be scaled logarithmically.

If given the value falseno legends will be shown.

Legend Position in Maxima Plots

If you want to create a Postscript file, you can use the option psfile instead, which will also work in Openmath, and does the same thing with just one option. The three variables var1var2var3 are three dummy variable names, which represent the 3 variables given by the plot3d command first the two independent variables and then the function that depends on those two variables. This option sets the value for the azimuth, in degrees. Refer to the gnuplot documentation for more details.

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The last number indicates the increase corresponding to the maximum value of z.

Gnuplot can generate output in many other graphical formats such as png, jpeg, svg etc. The option style can be used to make one of the expressions to be represented as a set of isolated points, or as points and line segments.

8. Plotting

A value of 1 for the index will return the keyword itself; a value of 2 turn returns the first parameter following wxmaxma keyword, and so on. This will plot the first and third, fifth, etc expression with magenta line segments of width 2, and the second and fourth, sixth, etc expression with orange plus signs of size 1 orange circles in the case of Openmath.

Each pixel in the grid is given a color corresponding to the number of iterations it takes the sequence that starts at that point to move out of the convergence circle of radius 2 centered at the origin. The first three numbers, which must be between 0 and 1, define the ppot, saturation and value of wxmaxoma basic color to be assigned to the minimum value of z.

Its default value is “gnuplot”. If palette is given the value falsethe surfaces will not be shaded but represented with a mesh of curves only.

Maxima – Examples of the Maxima Gnuplot interface

In plot3dit defines the colors used for the mesh lines of the surfaces, when no palette is being used. There are several plot options specific to gnuplot.

It does not need any aditional parameters. This program is part of the additional package dynamicsbut that package does not have to be loaded; the first time julia is used, it will be loaded automatically.

The options that accept among their possible values true or false, can also be set to true by simply writing their names. This format should only be used to plot to the screen; for plotting to files it is better to use the gnuplot format.

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