Determine the effect of the following transformations

a) Rotation through pi/2, followed by projection on the Y axis, followed by reflection in the lines y=x.

b) Projection on the X axis followed by reflection in the line y=x.

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- Feb 12th 2011, 06:57 PMseitDetermine the effect of the following transformations
Determine the effect of the following transformations

a) Rotation through pi/2, followed by projection on the Y axis, followed by reflection in the lines y=x.

b) Projection on the X axis followed by reflection in the line y=x. - Feb 13th 2011, 12:33 AMFernandoRevilla
It is easy to find the matrix of the rotation and the reflection :

So,

that is, is the reflection in the axis.

Try b) .

Fernando Revilla