# step function

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## step function

[′step ‚fəŋk·shən]
(mathematics)
A function ƒ defined on an interval [a,b ] so that [a,b ] can be partitioned into a finite number of subintervals on each of which ƒ is a constant. Also known as simple function.
More generally, a real function with finite range.
References in periodicals archive ?
Residual variance were considered homogenous (hom) or heterogeneous (het) were modeled by step function with 7 (20 to 35, 36 to 50, 51 to 70, 71 to 85, 86 to 99, 100 to 120, and 121 to 140 months of age) and 10 (20 to 32, 33 to 44, 45 to 56, 57 to 69, 70 to 81, 82 to 93, 94 to 105, 106 to 117, 118 to 129, and 130 to 140 months of age) classes in total parities.
1) The approximated step functions are used to represent the relationship between contact constraints and displacement variables.
The exterior liquid pressure can be a step function pressure, where starting pressure has to be less than [P.
We start with the Fourier transform pair of unit step function and compute the time domain expression of rectangular band limited pulse using time shift and linearity properties of Fourier transform.
To compound this, the load growth, step functions in loads due to IT capacity demands or technology refreshes, and load profiles due to software applications used may vary greatly from one data center to another.
Since the optimal bidding strategy is a step function, this implies that more bid levels will be observed since sorting introduces additional steps in the bidding strategy.
We need step functions as input applied to the shear-wave transducer to simulate the dynamic behavior.
Either no mechanism is available for the analysis of fixed cost step functions and investments, or these items remain unexplained by the article.
Note: The dependent variable and both pulse and step functions are differenced, as indicated by [DELTA].
000050 seconds) to 63% of full scale and 25 microseconds in step functions.
These boundary values are step functions that violate the wave equation and are the probable cause of the fact, shown in Appendix B, that the Rayleigh-Sommerfeld integrals also do not obey the wave equation in the immediate proximity of the aperture plane.
nominal attenuation step functions and a wide choice of frequency and attenuation ranges (DC to 1, 2, 3, 18 and 26 GHz and up to 127 dB).

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