Calling Sequence
complexplot3d([expr1, expr2], x=a..b, y=c..d)
complexplot3d([f1, f2], a.. b, c.. d)
complexplot3d(expr3, z=a + b*I..c + d*I)
complexplot3d(f2, a + b*I..c + d*I)
Parameters
expr1, expr2
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algebraic; expressions in parameters x and y
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f1, f2
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procedures; functions to be plotted
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expr3
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algebraic; expression in parameter z
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a, b, c, d
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realcons; endpoints of parameter ranges
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Description
- The four different calling sequences to the complexplot3d function above all define plots in three-dimensional space for expressions or procedures mapping
- For 2-D complex plots, see plots/complexplot.
- For plotting functions from to , complexplot3d plots the first component while coloring the graphic using the second component.
- For plotting functions from to , complexplot3d plots the magnitude of the function while coloring the resulting surface using the argument of the function.
- The first two calling sequences plot expressions and procedures, respectively, from to . In the second case f1 and f2 take two arguments and return a real value. The form of the range specifications determine whether an expression or a procedure is to be plotted. The last two calling sequences plot expressions and procedures, respectively, from to .
- The range components a, b, c, and d must evaluate to real constants. Note that operator notation is used in the second and fourth calls, that is, the procedure name is given without parameters specified, and the ranges must be given simply in the form a..b, rather than as an equation.
- The complex plots colored by argument have a color bar displayed by default. It can be suppressed by adding colorbar=false to the arguments.
- Any additional arguments are interpreted as options as described in the plot3d/option help page. For example, the option where m and n are positive integers specifies that the plot is to be constructed on an m by n grid instead of on the default 25 by 25 grid.
Examples
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Plot a complex procedure:
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(1) |
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Plot an expression from to , where the plot is of the first component colored by the second component:
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Repeat the previous example using operator form.
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(2) |
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Plot an image created from Newton's iteration:
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(3) |
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Plot , where and , in cylindrical coordinates, with r ranging from 0 to 10 and theta from 0 to .
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g := proc(z) local w; w := Re(z)*exp(Im(z)*I); w/(exp(w)-1) end proc: |
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Other colorings are supported with the colorscheme option
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The command to create the plot from the Plotting Guide is
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Compatibility
- The plots[complexplot3d] command was updated in Maple 2024.
- The colorbar option was introduced in Maple 2024.
- For more information on Maple 2024 changes, see Updates in Maple 2024.
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See Also
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plot3d/option
plots/complexplot
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