I'd like to draw some lines where one of points should be defined like:
($ (A)! \X3 !(B) $)
\X3 is something from (0,1). But it's not working. Yeah, I could just place the right number, but I'd like use this construction (or quite similar) on several places of this figure and I'd like to make several figures with different
Any possible way how to set variable into
$ $ in TikZ?