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Agilent B2900 SCPI Command Reference, Edition 2 4- 19

Subsystem Commands

:CALCulate:MATH[:EXPRession]:DELete:ALL

VOLTCOEF Calculates voltage coefficient using the following formula.

VOLTCOEF = (RES[c][1]-RES[c][0]) / (RES[c][1] * (VOLT[c][1]-VOLT[c][0]))

* 100 %

where, RES[c][0] and RES[c][1] are resistance measurement data at the first and

second measurement points, respectively, and VOLT[c][0] and VOLT[c][1] are

voltage measurement data at the first and second measurement points, respectively.

The voltage coefficient is known as the ratio of the fractional change for a resistor

whose resistance varies with voltage.

:CALCulate:MATH[:EXPRession]:DELete:ALL

Deletes all user-defined math expressions. This command cannot delete predefined

math expressions.

Syntax :CALCulate[c]:MATH[:EXPRession]:DELete:ALL

Example :CALC2:MATH:EXPR:DEL:ALL

:CALCulate:MATH[:EXPRession]:DELete[:SELected]

Deletes an user-defined math expression. This command cannot delete a predefined

math expression.

Syntax :CALCulate[c]:MATH[:EXPRession]:DELete[:SELected] name

Parameter name Name of the math expression to delete. Up to 32 ASCII

characters. Parameter data type is SPD.

Example :CALC2:MATH:EXPR:DEL:SEL “TempExpression1”

:CALCulate:MATH[:EXPRession]:NAME

Selects a math expression used for calculation. A predefined math expression or an

user-defined math expression can be specified by the name parameter.

See “Predefined math expressions” on page 4-18 for the definition of predefined

math expressions.

A new user-defined math expression can be added by executing this command with

a new name, and executing the

:CALCulate:MATH[:EXPRession][:DEFine]

command with a new definition.

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Agilent Technologies B2902 Manuale di Servizio Pagina 141