App-2
IM DL850E-01EN
Integ2XY
(1) When Each Y Data Point Corresponds to a Single X Data Point
(1)
(3)
Start point
Stop point
S
0
Area S = S
0
X-axis (Y = 0)
X-axis (Y = 0)
Area S = –S
0
Stop point
Start point
S
0
(2)
(4)
Stop point
Start point
S
0
Area S = S
0
– S
1
X-axis (Y = 0)
X-axis (Y = 0)
Area S = S
0
Start point
Stop point
S
0
(2) When the Waveform Extends into the Negative Side
X-axis (Y = 0)
S
0
S
1
Start point
Stop point
(3) When Multiple Y Data Corresponds to One Point of X Data
X-axis (Y = 0)
S
0
Start point
Stop point
Area S = S
0
X-axis (Y = 0)
S
0
Stop point
Start point
Area S = S
0
+ 2 × S
1
+ S
2
S
1
S
2
Area S = –S
0
Appendix