Demonstration 2: The Difference Quotient in Three-space
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This demo illustrates what happens to the difference quotient ( V(t,h) ) as h tends to 0 . You can select the value of h. In green are the velocity vectors, and in red are the vectors V(t,h)=(X(t+h)-X(t))/h. You can choose the number of vectors that appear by modifying the resolution of the interval s.