The measure type {DC|AC|TRAN|SP} depends on the data that is to be evaluated, either originating from a dc analysis, an ac analysis, or a transient simulation. The type SP to analyze a spectrum from the spec or fft commands is only available when executed in a meas command, see 17.5.42.

result will be a vector containing the result of the measurement. trig_variable, targ_variable, and out_variable are vectors stemming from the simulation, e.g. a voltage vector v(out).

VAL**=**val expects a real number val. It may be as well a parameter delimited by '' or {} expanding to a real number.

TD**=td and AT=**time expect a time value if measure type is tran. For ac and sp AT will be a frequency value, TD is ignored. For dc analysis AT is a voltage (or current), TD is ignored as well.

CROSS**=#** requires an integer number #. CROSS**=**LAST is possible as well. The same is expected by RISE and FALL.

Frequency and time values may start at 0 and extend to positive real numbers. Voltage (or current) inputs for the independent (scale) axis in a dc analysis may start or end at arbitrary real valued numbers.

Please note that not all of the .measure commands have been implemented.