Interactive SourceMeter® Instrument Reference Manual Section 6:
2450-901-01 Rev. B/September 2013 6-9
Details
This attribute specifies the offset (b) for an mx + b operation.
The mx+b math operation lets you manipulate normal display readings (x) mathematically according to the
following calculation:
y = mx + b
Where:
• y is the displayed result
• m is a user-defined constant for the scale factor
• x is the measurement reading (if you are using a relative offset, this is the measurement with relative
offset applied)
• b is the user-defined constant for the offset factor
If you send this command without the <function> parameter, it will set the scale factor for all
functions.
Example
:CALC:VOLT:MATH:MMF 0.80
:CALC:VOLT:MATH:MBF 50
:CALC:VOLT:MATH:STATE ON
Set the math function for voltage measurements
to mx+b.
Set the scale factor for voltage measurements to
0.80.
Set the offset factor to 50.
Enable the math function.
Also see
Calculations that you can apply to measurements (on page 3-6)
:CALCulate[1]:<function>:MATH:FORMat (on page 6-7)
:CALCulate[1]:<function>:MATH:MMFactor (on page 6-10)
:CALCulate[1]:<function>:MATH:STATe (on page 6-12)
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