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- Decide whether each map is linear.T(x, y) = (2x - 3y,\ y - x,\ 4x)T(x, y) = (x + y,\ xy)T(x, y, z) = (x - 2z,\ 3)T(x, y, z) = (z,\ x + y + z)T(x, y) = (3x,\ \max(x, y))
- A linear transformation $T:
- Let k be a real number.
- e1 e2 T(e1) T(e2) O The figure shows the unit square and its image under a linear transformation T of the plane.
- Omar runs the lights for a school play.
- Let a = (1, -2, 3) and b = (2, 1), and define $T:
- Let $T:
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The free lesson teaches it with worked examples and practice problems.
Linear transformation: the lesson ›More Chapter 3 worksheets: Matrix algebra and linear transformations
- 3.1Matrix multiplication
- 3.2Linear transformation
- 3.3Finding the matrix of a transformation
- 3.4Composing transformations as a matrix product
- 3.5The transpose and symmetric matrices
- 3.6Finding an inverse by row reducing A next to I
- 3.7Kernel
- 3.8Image
- 3.9Rank and nullity
- 3.10Coordinates in a basis and change of basis