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LinearFractionalTransform

LinearFractionalTransform[m]
gives a TransformationFunction that represents a linear fractional transformation defined by the homogeneous matrix m.
LinearFractionalTransform[{a, b, c, d}]
represents a linear fractional transformation that maps r to (a.r+b)/(c.r+d).
  • For ordinary linear fractional transforms in n dimensions, m is an (n+1)×(n+1) matrix.
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