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Bug in solve?

edit

• solve
• log

asked 2025-11-03 18:04:49 +0100

tolga
597 ●2 ●12 ●28

Using SageCell,

var('a,r,y')
solve(a*log(r)+r==y,r)

yields

[r == -a*log(r) + y]

including r in the solution. Is this a bug for equations involving logarithms?

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Comments

1

I think it's just a sign that it can't find a solution. There are similar examples in the documentation given by solve?, like trying to solve sin(x) == x.

John Palmieri ( 2025-11-03 19:12:02 +0100 )edit

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