[ M ] In Exercises 37-40, let T be the linear transformation whose standard matrix is given. In Exercises 37 and 38, decide if T is a one-to-one mapping. In Exercises 39 and 40, decide if T maps ℝ 3 onto ℝ 5 . Justify your answers. 40. [ 9 13 5 6 − 1 14 15 − 7 − 6 4 − 8 − 9 12 − 5 − 9 − 5 − 6 − 8 9 8 13 14 15 2 11 ]
[ M ] In Exercises 37-40, let T be the linear transformation whose standard matrix is given. In Exercises 37 and 38, decide if T is a one-to-one mapping. In Exercises 39 and 40, decide if T maps ℝ 3 onto ℝ 5 . Justify your answers. 40. [ 9 13 5 6 − 1 14 15 − 7 − 6 4 − 8 − 9 12 − 5 − 9 − 5 − 6 − 8 9 8 13 14 15 2 11 ]
Solution Summary: The author explains the three basic elementary row operations, which are shown below.
[M] In Exercises 37-40, let T be the linear transformation whose standard matrix is given. In Exercises 37 and 38, decide if T is a one-to-one mapping. In Exercises 39 and 40, decide if T maps ℝ3 onto ℝ5. Justify your answers.
Assume that T is a linear transformation. T: Projects vectors in its domain onto the line y = 2/3 x.
Find the standard matrix of T.
Enter your matrix as 4-tuple (a11, 12, 921, 922)
Use only fractions in simplest form and integers. NO DECIMALS
"a11
11
"),a12=
,a21=
,a22=
Assume that T is a linear transformation. Find the standard matrix of T.
T: R² R² first reflects points through the vertical x₂-axis and then reflects points through the horizontal x, -axis.
A-0
(Type an integer or simplified fraction for each matrix element)
Chapter 1 Solutions
Thomas' Calculus and Linear Algebra and Its Applications Package for the Georgia Institute of Technology, 1/e
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