mk_graph Manual

Edition : 2009.02.12

@overfullrule=0pt

1 Function Manual

1.1 Outline

1.2 Notation

1.3 Functions

1.3.1 mtg.plot3d

mtg.plot3d(formula)

:: Draw a graph of formula

mtg.plot3d(formula | options)

:: Draw a graph of formula. Optional arguments are described below.

return

List

formula

Expression or quote data. It should be a function in x, y.

optinal arguments

domain

List. [[xmin,xmax],[ymin,ymax]]

mesh

Natural number. Division number to mesh the region.

fit

When it is 1, (max+min)/2 is moved to the orgin in z.

• Details have not been written. See examples.

[1210] import("mt_graph.rr");
[1211] mtg.test2();

[1210] import("mt_graph.rr");
[1211] mtg.plot3d(x^2-y^2);

[1210] import("mt_graph.rr");
[1211] mtg.plot3d(x^2-y^2 | domain=[[-1,1],[1,1]]);

[1210] import("mt_graph.rr");
[1211] def myfunc(X,Y) { if (X*Y < 0) return 0; else 1;}
[1212] mtg.plot3d(quote(myfunc(x,y)*x*y));

1.3.2 mtp.parametric_plot3d

mtp.parametric_plot3d(formula)

:: Draw a graph of formula

mtp.parametric_plot3d(formula | options)

:: Draw a graph of formula. Optinal arguments are described below.

return

List

formula

Expression or quote data. It should be a function in s, t.

optinal arguments

domain

List. [[xmin,xmax],[ymin,ymax]]

mesh

Natural number. Division number to mesh the region.

fitting

If it is set to 0, then automatic fitting to the z-direction is not done.

• Details have not been written. See examples.

[1210] import("mt_graph.rr");
[1211] mtp.test5();   /*  Klein bottle (8 figure) */

[1210] import("mt_graph.rr");
[1211] mtp.parametric_plot3d([s,t,s^2-t^2]);

[1210] import("mt_graph.rr");
[1211] def myfunc(X,Y) { if (X*Y < 0) return 0; else 1;}
[1212] mtp.parametric_plot3d([s,t,quote(myfunc(s,t)*s*t) | fitting=0);

Index

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