讲解:、Processing、SQL、Matlab

Assignment5 (a) (5 points) Find a basis fu1;u2;u3g for IR3, such that P is the change of coordinates matrix fromfu1;u2;u3g to the fv1;v2;v3g. Hint: What do the columns of Prepresent?(b) (5 points) Find a basis w1;w2;w3 for IR3, such that P is the change of coordinates matrix fromfv1;v2;v3g to fw1;w2;w3g.2. Let = fb1;b2g and C = fc1;c2g be bases for IR2. In the following subparts nd the change ofcoordinates matrix from to C. Also nd the change of coordinates matrix from C to .(a) (3 points) b1 =3. (5 points) In IP2 nd the change of coordinate matrix from the basis =f1 2t+t2;3 5t+4t2;2t+3t2gto the standard basis C =f1;t;t2g. Then nd the coordinate vector for 1 + 2t.4. (5 points) Determine whether w is in the column space of A, the null space of A or both, where:5. Determine whether the sets of polynomials form. a basis for IP3. Justify your conclusions:(a) (3 points) 3 + 7t;5 +t 2t3;t 2t2;1 + 16t 6t2 + 2t3(b) (3 points) 5 3t+ 4t2 + 2t3;9 +t+ 8t2 6t3;6 2t+ 5t2;t3All matrices are in capital letters and bold. All vectors are in lower case and bold. All scalars are lower case and notbolded.yif you are not familiar with gsubmit, come to my o ce hours and I am happy to show you how it works. No emailsubmissions will be accepted16. (5 points) Let S be a nite set in a vector space V with the property that every x in V has a uniq数据结构实验作业代做、Processing代做、SQL实验作业调试、代做留学生Matlab课程设计uerepresentation as a linear combination of elements of S. Show that S is a basis of V.7. (5 points) Let = fb1;:::;bng be a basis for the vector space V. Explain why the coordinates of coordinate vectors b1;:::;bn are the columns e1;:::;en of the nxn identity matrix. Note that e1;:::;enare the standard basis.8. (5 points) Compute determinant of B4, where B =9. Let A and B be a 3 x 3 matrices with detA = 3 and detB = 4. Use properties of determinant andnd the following:(a) (2 points) det AB(b) (2 points) det 5A(c) (2 points) det BT(d) (2 points) det A 1(e) (2 points) det A310. Find the determinant of the following when you know that: det(b) (3 points)11. Use cofactor expansion to nd the determinant of the following matrices. Make sure to clearly tell uswhich row/column you have chosen for the expansion.(a) (3 points)12. Suppose memory or size restrictions prevent your matrix program from working with matrices havingmore than 32 rows and 32 columns and suppose some project involves 50x50 matrices A and B.(a) (5 points) Solve Ax = b for some vector b in IR50, assuming that A can be partitioned into a 2x2block matrix Aij, with A11 an invertible 20 x 20 matrix, A22 an invertible 30 x 30 matrix, andA12 a zero matrix. Hint: Describe appropriate smaller systems to solve, without using any matrixinverse.转自:http://ass.3daixie.com/2018052158549187.html

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