
Appendix A. CRBasic Programming Instructions
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of the array. The results will be a running aerage of a spatial average on the
various source array's elements.
Randomize
Initializestherandom‐numbergenerator.
Syntax
Randomize(source)
RND
Generatesarandomnumber.
Syntax
RND(source)
A.6.10.1 Histograms
Histogram
Processesinputdataaseitherastandardhistogram(frequencydistribution)ora
weighted‐valuehistogram.
Syntax
Histogram(BinSelect, DataType, DisableVar, Bins, Form, WtVal,
LoLim, UpLim)
Histogram4D
Processesinputdataaseitherastandardhistogram(frequencydistribution)ora
weighted‐valuehistogramofuptofourdimensions.
Syntax
Histogram4D(BinSelect, Source, DataType, DisableVar, Bins1,
Bins2, Bins3, Bins4, Form, WtVal, LoLim1, UpLim1, LoLim2,
UpLim2, LoLim3, UpLim3, LoLim4, UpLim4)
LevelCrossing
Processesdataintoaone‐ortwo‐dimensionalhistogramusingalevel‐crossing
countingalgorithm.
Syntax
LevelCrossing(Source, DataType, DisableVar, NumLevels,
2ndDim, CrossingArray, 2ndArray, Hysteresis, Option)
RainFlow
ProcessesdatawiththeRainflowcountingalgorithm,essentialtoestimating
cumulativedamagefatiguetocomponentsundergoingstress/straincycles(see
DowningS.D.,SocieD.F.(1982)SimpleRainflowCountingAlgorithms.
InternationalJournalofFatigueVolume4,Issue1).
Syntax
RainFlow(Source, DataType, DisableVar, MeanBins, AmpBins,
Lowlimit, Highlimit, MinAmp, Form)
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