Keithley 4200A-SCS Reference Manual

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Keithley 4200A-SCS Reference Manual Manual pdf 533 page image

Section 6: Clarius Model 4200A-SCS Parameter Analyzer Reference Manual6-264 4200A-901-01 Rev. C / February 2017TANFIT Formulator functionFinds a linear equation of the form Y = a + bX from two columns (vectors), VX and VY.UsageTANFIT(VX, VY, POS)VX The name of any column (vector) listed under ColumnsVY The name of any column (vector) listed under ColumnsPOS The row number (index) where the tangent is to be foundDetailsFinds a linear equation of the form Y = a + bX from two columns (vectors), VX and VY. Thisequation corresponds to a tangent of the curve that is created by plotting the values in VY against thevalues in VX. The value at which the tangent is found is specified by the argument POS.Using the linear equation, returns a new column (vector) containing Y values calculated from all Xvalues in column VX.If a VX or VY value at POS is an invalid number (that is, the value is #REF), the function will not returna valid result.ExampleVTFIT = TANFIT(GATEV, DRAINI, MAXPOS(GM))Also seeTANFITSLP (on page 6-265)TANFITXINT (on page 6-266)TANFITYINT (on page 6-267)