Step Function / Heavenside help

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SUMMARY

The discussion centers on the correct formulation of the Heaviside function, specifically for the piecewise function g(t) defined as g(t) = t for t ≤ 8π and g(t) = 8π for t > 8π. The correct representation of the Heaviside function is g(t) = t + (8π - t) * U(t - 8π), where U(t) denotes the unit step function. It is crucial to note that the Heaviside function is defined to be 1/2 at t = 0, and the "<=" sign is unnecessary in the piecewise definition.

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gbacsf
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Is this the proper way to write the Heavenside function for the following conditions:

g(t) = t if t <= 8pi
8pi if t > 8pi

Heavenside: g(t) = t + (8pi - t)*U(t-8pi)
 
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gbacsf said:
Is this the proper way to write the Heavenside function for the following conditions:

It's "Heaviside" actually. The correct spelling will come in particularly handy if you try to do these problems on Maple.

g(t) = t if t <= 8pi
8pi if t > 8pi

Heavenside: g(t) = t + (8pi - t)*U(t-8pi)

Almost. You don't need the "<=" sign above. The unit step function is actually defined to be 1/2 at t=0.

http://mathworld.wolfram.com/HeavisideStepFunction.html
 

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