Physics · Control Systems
Which of the following equations holds true for a node X2 in a signal flow graph where incoming branches are from X1 with gain A21 and from X3 with gain A23?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1X2 = A21X1 + A22X2
- 2X4 = A41X2 + A43X3
- 3X3 = A31X1 + A23X2 + A33X3
- 4X2 = A21X1 + A23X3✓
Correct answer
X2 = A21X1 + A23X3
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