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This section presents the function types that can be entered in the Synthesis Workbook's spreadsheet module and in Analysis Workbooks in Weibull++ and ALTA by using the Function Wizard. The functions are grouped into the following categories:
Data source functions return values that are based on the analysis in a specified data source.
Syntax: RELIABILITY(Data_Src,Age,[Add Time],[Confidence Level])
Example: =RELIABILITY("Folio1!Data1",1000,200,0.95) uses the analysis in Folio1!Data1 to return the 95% one-sided confidence bound on the conditional reliability for a mission of 200 hours, given that the item has already operated for 1,000 hours.
Mathematical functions do not require a data source. They perform a variety of mathematical and statistical operations (e.g., sine, pi or averages).
Syntax: AVERAGE(Number1,Number2,...)
Example 1: =AVERAGE(10,7,9,27,2) sums the numbers, then divides by 5 to return 11.
Example 2: =AVERAGE(A1:A6) returns the average of the values in cells A1 through A6.
The mathematical functions are available in Analysis Workbooks and General Spreadsheets. For the new spreadsheet module in Synthesis Workbooks, you can now insert those functions directly from the Formulas tab in the ribbon. For details, see Insert Function.
Available for both Weibull++ and ALTA:
| ATYPE | D_COUNT | FMATRIX | UDF |
| DISTR | LKVALUE | USERCOMPANY | |
| DTYPE | NFCOUNT | USERNAME | |
| DATARANK | FCOUNT | PARAMNAME |
Available only for Weibull++:
Available only for ALTA:
| ACCELERATIONFACTOR | CONDPROBFAIL_S | PARAMETER_S | SCALEPARAMETER |
| ACT_ENERGY | CONDRELIABILITY_S | PDF_S | TIMEATPF_S |
| AMEAN_S | FAILURERATE_S | PROBFAIL_S | TIMEATR_S |
| ASTDEV_S | MODEL | RELIABILITY_S |
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