## Lover’s Math

### Saturday 6. October, 2007

If you happen to own a graphical calculator or plotter software, try what following functions look like:

f(x)=sqrt(1-(sqrt(x^2)-1)^2)

g(x)=-3sqrt(1-sqrt(sqrt(x^2)/2))

Or these

f(x)=2/3*((x^2+sqrt(x^2)-6)/(x^2+sqrt(x^2)+2)-sqrt(36-x^2))

g(x)=2/3*((x^2+sqrt(x^2)-6)/(x^2+sqrt(x^2)+2)+sqrt(36-x^2))

Note: the sqrt(x^2) is the same thing as |x|, but as most calculators don’t have |x|-function, I replaced it with sqrt(x^2) which is also always positive.

(I guess WordPress doesn’t have tools for mathematical expressions?)

Edit: Add missing ) to the last g(x)

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Wednesday 29. October, 2008 at 22:42

sure it does:

Saturday 19. April, 2014 at 23:43

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