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UDF for non sinusoidal or varying amplitude motion with respect to time

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Old   March 29, 2010, 22:57
Unhappy UDF for non sinusoidal or varying amplitude motion with respect to time
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hi all
I want to write UDF for non sinusoidal oscillation or(say time varying amplitude, sinusoidal motion ) but, not able to write it. can any one help me??
oscillation is sinusoidal and time varing like, for sine curve the upper half of cycle (+ve y-axis side) amplitude is different from lower half(-ve y-axis) of the cycle.plz help me .
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Old   November 13, 2010, 17:58
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Rahul Suresh
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did u get the solution to this?
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