Tanfitslp Formulator Function - Keithley 4200A-SCS Reference Manual

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Model 4200A-SCS Parameter Analyzer Reference Manual

TANFITSLP Formulator function

Finds a linear equation of the form Y = a + bX from two columns (vectors), VX and VY.

TANFITSLP(VX, VY, POS)

Finds a linear equation of the form Y = a + bX from two columns (vectors), VX and VY. This

equation corresponds to a tangent of the curve that is created by plotting the values in VY against the

values in VX. The value at which the tangent is found is specified by the argument POS.

Returns the slope of the linear equation (value of b in Y = a + bX).

If a VX or VY value at POS is an invalid number (that is, the value is #REF), the function will not return

a valid result.

VTSLOPE = TANFITSLP(GATEV, DRAINI, MAXPOS(GM))

(on page 6-264)

4200A-901-01 Rev. C / February 2017

The name of any column (vector) listed under Columns

The row number (index) where the tangent is to be found

(on page 6-266)

(on page 6-267)

Section 6: Clarius