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Matlab 7 for Engineers

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Elizabeth
Elizabeth 2011-11-20
I need help solving this:
Plot the estimate of the derivative dy/dx from the following data. do this by using forward, backward and central differences. compare the results.
x 0 1 2 3 4 5 6 7 8 9 10 y 0 2 5 7 9 12 15 18 22 20 17

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回答（2 个）

Kostas
Kostas 2011-11-20
Jan
Jan 2011-11-20
Look at Matlab's gradient function: It uses forward and backward differences at the edges and the central difference at the interior points.

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