Scilab 5.4.0

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# genfac3d

Compute facets of a 3D surface

### Calling Sequence

[xx,yy,zz]=genfac3d(x,y,z,[mask])

### Arguments

- xx,yy,zz
matrices of size (4,n-1xm-1).

`xx(:,i)`

,`yy(:,i)`

and`zz(:,i)`

are respectively the x-axis, y-axis and z-axis coordinates of the 4 points of the ith four sided facet.- x
x-axis coordinates vector of size m.

- y
y-axis coordinates vector of size n.

- z
matrix of size (m,n).

`z(i,j)`

is the value of the surface at the point (x(i),y(j)).- mask
boolean optional matrix with same size as

`z`

used to select the entries of`z`

to be represented by facets.

### Description

`genfac3d`

computes a four sided facets representation of a 3D surface
`z=f(x,y)`

defined by `x`

, `y`

and `z`

.

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