Xah Talk Show 2022-11-21 Math WolframLang Working Session. Derive Stereographic Projection, Geometric Inversion

• show some inversion gallery.

• Geometric Inversion
• Circle Inversion Gallery
• GeoGebra: Inversion of Archimedes's spiral

• show definition.
• show inversion of a line.
• show inversion of a circle.
• show Peaucellier Linkage

• Geometric Inversion, Wolfram Code

• derive geometric inversion formula, for 2d, then for 3d
• show stereographic projection
• show relations of geometric inversion and stereographic projection

• Stereographic Projection

• Xah Talk Show 2022-11-13 WolframLang Coding, Stereographic Projection