plotf_surfcontour (MathScript RT Module Function)

LabVIEW 2012 MathScript RT Module Help

Edition Date: June 2012

Part Number: 373123C-01

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Owning Class: plots

Requires: MathScript RT Module



plotf_surfcontour(f, r)

plotf_surfcontour(f, a)

plotf_surfcontour(f, r, a)

plotf_surfcontour(f, 'circ')

plotf_surfcontour(f, r, 'circ')

plotf_surfcontour(f, a, 'circ')

plotf_surfcontour(f, r, a, 'circ')

Legacy Name: ezsurfc


Plots a function of two variables as a 3D surface in conjunction with contour lines. You can write the function in explicit or parameterized notation. plotf_surfcontour plots f over the specified region.



Name Description
f Specifies the function you want to plot. f is a string or three strings separated by commas. Each string represents a valid expression. If f is a single expression of two variables x and y, plotf_surfcontour plots z = f(x, y). If f is a set of three strings that share the same two variables, LabVIEW displays a parameterized surface.
r Specifies the region of the plot. r is a four-element real vector or a two-element real vector. If r is a four-element vector, the r values represent [xmin, xmax, ymin, ymax]. If r is a two-element vector, the r values represent the square [xmin, xmax, xmin, xmax]. The default is [-2*pi, 2*pi, -2*pi, 2*pi].
a Specifies the grid size. a is a positive integer. LabVIEW uses a grid of a-by-a points. The default is 60.
'circ' Changes the specified region of the plot from a rectangle to a disc. The center of the disc coincides with the center of the underlying region specified by r.


The following table lists the support characteristics of this function.

Supported in the LabVIEW Run-Time Engine No (always ignored)
Supported on RT targets No


f = 'sin(x)*cos(y)';

f = 'a^4+b^2-1';
r = [-2, 2, -3, 1];
plotf_surfcontour(f, r)

plotf_surfcontour('s', 't', 's+t', 20, 'circ')

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