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Derivative: Central Difference Approximation

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Compile this mex file for central difference approximation of the derivative of a function.

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Compile this mex file for central difference approximation of the derivative of a function.

>> mex dqdt.c

usage:
dydx = dqdt(y,x)

x corresponds to columns of y. y can have any number of columns.

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MATLAB Release
MATLAB 7.0.4 (R14SP2)
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