- #1

whattttt

- 18

- 0

(r,phi)---->(x,y)=

(2tan(r/2)cos(phi),

2tan(r/2)sin(phi))

Which metric do we have to impose on R^2 in order that the mapping preserves distance. Any help would be greatly appreciated. Thank you very much

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- Thread starter whattttt
- Start date

- #1

whattttt

- 18

- 0

(r,phi)---->(x,y)=

(2tan(r/2)cos(phi),

2tan(r/2)sin(phi))

Which metric do we have to impose on R^2 in order that the mapping preserves distance. Any help would be greatly appreciated. Thank you very much

- #2

tiny-tim

Science Advisor

Homework Helper

- 25,838

- 255

hi whattttt!

(have a phi: φ )

tell us what you think, and we'll comment

(have a phi: φ )

tell us what you think, and we'll comment

- #3

whattttt

- 18

- 0

Nice

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