plotf_meshcontour (MathScript RT Module Function)

LabVIEW 2012 MathScript RT模块帮助

版本日期:June 2012



Owning Class: plots

Requires: MathScript RT Module



plotf_meshcontour(f, r)

plotf_meshcontour(f, a)

plotf_meshcontour(f, r, a)

plotf_meshcontour(f, 'circ')

plotf_meshcontour(f, r, 'circ')

plotf_meshcontour(f, a, 'circ')

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

Legacy Name: ezmeshc


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



Name Description
f Specifies the function or functions 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_meshcontour 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_meshcontour(f, r)

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

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