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Amir Ahmadi
09/13/08 00:22am

I have successfully programmed a plot of a quadratic function which you can manipulate; however, I wish for the plot to also display the vertex as the variables are manipulated. My idea was to use the '&&' operator so my print function would be dependent on the Manipulate, but this has been unsuccessful. Please provide any advice. Thanks in advance to any help.

My last attempt:
a*x^2 + b*x + c, {x, -10, 10}], {a, -5, 5}, {b, -5, 5}, {c, -5, 5}&& print[-b/(2 a)]]

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Subject (listing for 'Displaying the vertex')
Author Date Posted
Displaying the vertex Amir Ahmadi 09/13/08 00:22am
Re: Displaying the vertex Peter Pein 09/14/08 12:04pm
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