step function

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step function

n
(Electrical Engineering) an electrical waveform that rises or falls instantly from one level to another
References in periodicals archive ?
Neither the signed distance function nor the piecewise constant function is used, the level set function is initialized to a constant function and this method eliminates the need for initial contours and re-initialization.
For simplicity, the piecewise constant function [theta]([eta]) defined on [GAMMA] by (1.
The baseline hazard function from the latter model is approximated by the piecewise constant function of the former, with improved precision when smaller intervals are used.
Consider the case where the moment of inertia I(x) is a given piecewise constant function of the coordinate x.
is a time-limited piecewise constant function that can be generated rather precisely by electric current switches.
n] and if b represents the binary form of I, a piecewise constant function q with constant values [c.
1999), the input was parameterized as a piecewise constant function with eight sections.
The coefficient w = w(x) is a positive and piecewise constant function.
For simplicity, we state and prove these results for the model example of P = div(A[NABLA]u), A a piecewise constant function, which will be used for numerical tests.
f] is the piecewise constant function that takes the mean value of f on each T [member of] [T.
Assume a conform triangulation and a piecewise constant function space as given in Example 2.
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