Matrix inverse

Matrix functions matr(ix)_inv(erse)

syntax

• matr_inv(point_att)

definition

The matr_inv(point_att) function calculates the invertible matrix of the point_att argument with the same resulting domain unit as of the point_att argument.

The value type of the resulting attribute is the same as the value type of the point_att argument.

applies to

• attribute point_att with float32 or float64 value type

conditions

1. The value type of point_att and of the resulting attribute need to match.
2. The domain unit of point_att and the resulting attribute must match and be a Point value type of the group CanBeDomainUnit.

since version

7.184

example

attribute<float32> invertible (GridDomain) := matr_inv(src);

src

1	2
3	4

GridDomain, nr of rows = 2, nr of cols = 2

invertible

-2	1
1.5	-0.5

GridDomain, nr of rows = 2, nr of cols = 2