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4. Let l be the line through the origin which has a directed) angle of inclination...
Let L be a straight line through the origin and denote by Show that: the angle...
Let L be a straight line through the origin and denote by Show that: the angle from positive r-axis to L. (a) The matrix representing projection to the line L is given by P = ſcos cos O sin sin cos 6] sin0 (b) The matrix representing reflection about the line L is cos 20 sin 20 sin 201 - cos 20
21. Show that if l is any line through the origin in R3 and x is...
21. Show that if l is any line through the origin in R3 and x is any vector with its initial point at the origin, then the reflection of x through the line & (acting as a mirror) is equal to 2(proj,x) - x, where r is any nonzero vector parallel to the line (see Figure 1.21). Reflection of x FIGURE 1.21
4. (22 points) Let To : R2 R2 be the linear transformation that rotates each point in IR2 about the origin through an angle of θ (with counterclockwise corresponding to a positive angle), and let T,p...
4. (22 points) Let To : R2 R2 be the linear transformation that rotates each point in IR2 about the origin through an angle of θ (with counterclockwise corresponding to a positive angle), and let T,p : R2 → R2 be defined similarly for the angle φ. (a) (8 points) Find the standard matrices for the linear transformations To and To. That is, let A be the matrix associated with Tip, and let B be the matrix associated with To....
Let l denote the line through the origin with direction vector (1,1,1). Let r(t) = (t...
Let l denote the line through the origin with direction vector (1,1,1). Let r(t) = (t +1,4, 2t) be a parametrized curve. Compute the point r(to) on the curve which is closest to l, and state the distance from r(to) to l.
Let L in R 3 be the line through the origin spanned by the vector v...
Let L in R 3 be the line through the origin spanned by the
vector v = 1 1 3 . Find the linear equations that define L,
i.e., find a system of linear equations whose solutions are the
points in L. (7) Give an example of a linear transformation from T
: R 2 → R 3 with the following two properties: (a) T is not
one-to-one, and (b) range(T) = ...
4. Let S be a plane in R3 passing through the origin, so that S is...
4. Let S be a plane in R3 passing through the origin, so that S is a two- dimensional subspace of R3. Say that a linear transformation T: R3 R3 is a reflection about Sif T(U) = v for any vector v in S and T(n) = -n whenever n is perpendicular to S. Let T be the linear transformation given by T(x) = Ar, 1 1 А -2 2 2 21 -2 2 3 T is a reflection about...
(c) [1 point] Let R : E3 → E3 be the rotation in E3 with axis...
(c) [1 point] Let R : E3 → E3 be the rotation in E3 with axis in the direction of the vector ã=(-1,2, -2) and angle 0 = . If pe E3 denotes the point (0,0,1) then ... R(p) = (d) [1 point] Let R: E2 → Eº be a reflection through a line l that fixes the origin and sends (1,1) to some point on the line y = x. Can you determine the line l? If so, give...
5. (3) Let X = Serie x = ()m - (*) indo 3 x 3 mais...
5. (3) Let X = Serie x = ()m - (*) indo 3 x 3 mais Find a 3 x 3 matrix A such that the projection PAX = e vector X ER projected onto the line I that is parallel to a and passes through the origin. Pex - Ax 6. (4) The line l in Ris given by the equation x + 3y = 0. (a) What is the angle e between the positive x-axis and the line...
Let L in R 3 be the line through the origin spanned by the vector v...
Let L in R 3 be the line through the origin
spanned by the vector v = 1 1 3 . Find the linear equations
that define L, i.e., find a system of linear equations whose
solutions are the points in L.
lil (6) Let L in R3 be the line through the origin spanned by the vector v= 1. Find the linear equations that define L, i.e., find a system of linear equations whose solutions are...
a) Let L be the line through (2,-1,1) and (3,2,2). Parameterize L. Find the point Q...
a) Let L be the line through (2,-1,1) and (3,2,2). Parameterize L. Find the point Q where L intersects the xy-plane. b) Find the angle that the line through (0,-1,1) and (√3,1,4) makes with a normal vector to the xy-plane. c) Find the distance from the point (3,1,-2) to the plane x-2y+z=4. d) Find a Cartesian equation for the plane containing (1,1,2), (2,1,1) and (1,2,1)
Let L be a straight line through the origin and denote by Show that: the angle from positive r-axis to L. (a) The matrix representing projection to the line L is given by P = ſcos cos O sin sin cos 6] sin0 (b) The matrix representing reflection about the line L is cos 20 sin 20 sin 201 - cos 20
21. Show that if l is any line through the origin in R3 and x is any vector with its initial point at the origin, then the reflection of x through the line & (acting as a mirror) is equal to 2(proj,x) - x, where r is any nonzero vector parallel to the line (see Figure 1.21). Reflection of x FIGURE 1.21
4. (22 points) Let To : R2 R2 be the linear transformation that rotates each point in IR2 about the origin through an angle of θ (with counterclockwise corresponding to a positive angle), and let T,p : R2 → R2 be defined similarly for the angle φ. (a) (8 points) Find the standard matrices for the linear transformations To and To. That is, let A be the matrix associated with Tip, and let B be the matrix associated with To....
Let l denote the line through the origin with direction vector (1,1,1). Let r(t) = (t +1,4, 2t) be a parametrized curve. Compute the point r(to) on the curve which is closest to l, and state the distance from r(to) to l.
Let L in R 3 be the line through the origin spanned by the
vector v = 1 1 3 . Find the linear equations that define L,
i.e., find a system of linear equations whose solutions are the
points in L. (7) Give an example of a linear transformation from T
: R 2 → R 3 with the following two properties: (a) T is not
one-to-one, and (b) range(T) = ...
4. Let S be a plane in R3 passing through the origin, so that S is a two- dimensional subspace of R3. Say that a linear transformation T: R3 R3 is a reflection about Sif T(U) = v for any vector v in S and T(n) = -n whenever n is perpendicular to S. Let T be the linear transformation given by T(x) = Ar, 1 1 А -2 2 2 21 -2 2 3 T is a reflection about...
(c) [1 point] Let R : E3 → E3 be the rotation in E3 with axis in the direction of the vector ã=(-1,2, -2) and angle 0 = . If pe E3 denotes the point (0,0,1) then ... R(p) = (d) [1 point] Let R: E2 → Eº be a reflection through a line l that fixes the origin and sends (1,1) to some point on the line y = x. Can you determine the line l? If so, give...
5. (3) Let X = Serie x = ()m - (*) indo 3 x 3 mais Find a 3 x 3 matrix A such that the projection PAX = e vector X ER projected onto the line I that is parallel to a and passes through the origin. Pex - Ax 6. (4) The line l in Ris given by the equation x + 3y = 0. (a) What is the angle e between the positive x-axis and the line...
Let L in R 3 be the line through the origin
spanned by the vector v = 1 1 3 . Find the linear equations
that define L, i.e., find a system of linear equations whose
solutions are the points in L.
lil (6) Let L in R3 be the line through the origin spanned by the vector v= 1. Find the linear equations that define L, i.e., find a system of linear equations whose solutions are...
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