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plot3d: Plot 3-d surface plot
DESCRIPTION:
This function is used in examples 11,21.
SYNOPSIS:
plot3d(x, y, z, nx, ny, opt, side)
ARGUMENTS:
x (const PLFLT *, input) : Pointer to set of x coordinate values at
which the function is evaluated.
y (const PLFLT *, input) : Pointer to set of y coordinate values at
which the function is evaluated.
z (const PLFLT * const *, input) : Pointer to a vectored
two-dimensional array with set of function values.
nx (PLINT, input) : Number of x values at which function is
evaluated.
ny (PLINT, input) : Number of y values at which function is
evaluated.
opt (PLINT, input) : Determines the way in which the surface is
represented: opt=DRAW_LINEX: Lines are drawn showing z as a
function of x for each value of y[j].
opt=DRAW_LINEY: Lines are drawn showing z as a function of y
for each value of x[i].
opt=DRAW_LINEXY: Network of lines is drawn connecting points
at which function is defined.
side (PLBOOL, input) : Flag to indicate whether or not ``sides''
should be draw on the figure. If side is true sides are drawn,
otherwise no sides are drawn.
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