===== Measurements =====

"Point" here refers to time, frequency, or whatever is the independent "x" value.

|[[gnucap:manual:measure:at]]     |The value of a wave at a point, or its derivative.  |
|[[gnucap:manual:measure:mean|average]]\\ [[gnucap:manual:measure:mean]]              |Average or mean value.  |
|[[gnucap:manual:measure:cross]]  |Find crossings.  |
|[[gnucap:manual:measure:mean|integrate]]\\ [[gnucap:manual:measure:mean|area]]  |The area under the curve.  |
|[[gnucap:manual:measure:minmax|max]]    |Maximum value, or its point.  |
|[[gnucap:manual:measure:minmax|min]]    |Minimum value, or its point.  |
|[[gnucap:manual:measure:mean|rms]]    |The RMS value.  |
|[[gnucap:manual:measure:slope|slewrate]]\\ [[gnucap:manual:measure:slope]]\\ [[gnucap:manual:measure:slope|ddt]]  |Slew rate or slope.  |