# Trigonometric TimeSeries
This command is used to construct a TimeSeries object in which the load factor is some trigonemtric function of the time in the domain <math> \lambda = f(t) = \begin{cases} \text{cFactor} * sin (\frac{2.0 \Pi (t-tStart)}{\text{period}} + \text{shift}), &\text{tStart} <= t <= \text{tEnd}\\ \text{0.0}, &\text{otherwise}\\ \end{cases}
</math>
```tcl timeSeries Trig $tag $tStart $tEnd $period <-factor $cFactor> <-shift $shift> ```
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unique tag among TimeSeries objects. |
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starting time of non-zero load factor |
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ending time of non-zero load factor |
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characteristic period of sine wave |
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phase shift in radians (optional, default=0.0) |
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the load factor amplification factor (optional, default=1.0) |
Code Developed by: fmk