Show that the transformation T: R²→R² that reflects points through the horizontal x₁-axis and then reflects points through the line x2 =x₁ is merely a rotation about the origin. What is the angle of rotation? If T: R"→R™ is a linear transformation, then there exists a unique matrix A such that the following equation is true. T(x) = Ax for all x in R" In fact, A is the mxn matrix whose jth column is the vector where is the jth column of the identity matrix in R", as shown in the following equation. A=
Show that the transformation T: R²→R² that reflects points through the horizontal x₁-axis and then reflects points through the line x2 =x₁ is merely a rotation about the origin. What is the angle of rotation? If T: R"→R™ is a linear transformation, then there exists a unique matrix A such that the following equation is true. T(x) = Ax for all x in R" In fact, A is the mxn matrix whose jth column is the vector where is the jth column of the identity matrix in R", as shown in the following equation. A=
Chapter1: Taking Risks And Making Profits Within The Dynamic Business Environment
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Transcribed Image Text:Show that the transformation T: R²→R² that reflects points through the horizontal x₁-axis and then reflects points through the line x2 =x₁ is merely a rotation about
the origin. What is the angle of rotation?
If T: R"→R™ is a linear transformation, then there exists a unique matrix A such that the following equation is true.
T(x) = Ax for all x in R"
In fact, A is the mxn matrix whose jth column is the vector
where
is the jth column of the identity matrix in R", as shown in the following equation.
A=
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