File: Bilinear Transformation Example 180323 | Exerciseset04
exercise set 4 bilinear transformation is defined by this wf z azb czd adbc 0 transformation can be considered as a combination of the tranformation of translation rotation and stretching ...
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...Exercise set bilinear transformation is defined by this wf z azb czd adbc can be considered as a combination of the tranformation translation rotation and stretching inversion it has property that circles are mapped into in w plane where infinite radius straight lines included maps any three distinct points one which may at infinity if then invariance cross ratio i e determines map f ii following mappings conformal not why what effect each mapping on angles b zez c iz d sin g h zz write down laplace equation under change variables xx yy xucosv yusinv polar coordinates uiv xy itany x show composition two transformations also fixed point itself most wz unless simply identity verify complex number with za az onto being sent to origin given circle form u v find pre image xa yb express terms ans known sends pz p nonzero q bc ad for written cz sequence tranformations above thus conclude uniquely determined conditions uv zi wizi wi respectively upper half we interior unit hint such way while ...