Map range: Difference between revisions
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Much more impressive, though, is that Frink is a powerful Computer Algebra System (CAS) and can symbolically invert the function so you can map t back to s:
https://frinklang.org/fsp/solve2.fsp?equations=t+%3D+b1+%2B+%28s-a1%29%28b2-b1%29%2F%28a2-a1%29&solveFor=s&f=on&ev=on&sel_a1=S&val_a1=&sel_a2=S&val_a2=&sel_b1=S&val_b1=&sel_b2=S&val_b2=&sel_t=S&val_t=1000+kg&resultAs=
The resulting inverse function is:
<lang frink>inverseMapRange[t, a1, a2, b1, b2] := a1 + a1 b1 (-1 b1 + b2)^-1 + -1 a2 b1 (-1 b1 + b2)^-1 + -1 a1 (-1 b1 + b2)^-1 t + a2 (-1 b1 + b2)^-1 t</lang>
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