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why does turningpoint return undefined?
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Hi, please see the attached example.
I tried to get the turning points in the function, but the command returns "undefined".
I of course can go via f'' , zero crossings and marking those points manually on f, but it seems such a hassle.
I have tried several functions from the school book and it always returns undefined, so I must be doing something wrong, but what?
Files:
vendepunkt.ggb
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InflectionPoint( <Polynomial> ) Yields all inflection points of the polynomial as points on the function graph.
try root(f'')
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