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#implicitfunctions — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #implicitfunctions, aggregated by home.social.

  1. #Rotating a #Point about the origin, through some #Angle θ is something that is taught in school #maths class, usually in #CartesianCoordinates, by multiplying the #Coordinates by a the rotation #Transformation #Matrix. What’s not generally taught is that you can apply the same transformation to any #Function y=f(x). All you need to do is replace
    x by xcosθ + ysinθ
    and y by -xsinθ+ysinθ.

    #MyWork #CCBYSA #Maxima #Mathematics #Geometry #FreeSoftware #ImplicitFunctions