Ordinate of a point or vector in the plane

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26.12.3 Ordinate of a point or vector in the plane

See Section 27.10.2 for ordinates in 3D geometry.

The ordinate command finds the ordinate (y coordinate) of a point.

ordinate takes P, a point.
ordinate(P) returns the ordinate of P.

Examples

ordinate(point(1+2*i))

2

ordinate(point(i)-point(1+2*i))

−1

ordinate(1+2*i)

2

ordinate([1,2])

2

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