Mathematics, 03.12.2019 06:31 Enewton4454
Compute det(aat) and det(a™a) for several randomly generated non-square matrices a e rmxn. you may use the following code several times on the command line in matlab. m = 4; n = 3; a = rand(m, n); detmbym = det(a * a'), detnbyn = det(a' + a) note here the command rand(m, n) generates a random mxn matrix with entries between 0 and 1, and the command det(a) calculates the determinant of a, and a' is the command that finds the transpose of a, at.
a. what happens when m is bigger than n?
b. what happens when n is bigger than m?
c. make a conjecture drawing a connection between invertible matrices and aat & at a where a e rmxn.
d. calculate the row reduce echelon form of aat and at a to support your conjecture. you may use the following commands. m= 4; n = 3; a = rand(m, n); rref_mbym =rref(a * a'), rref_nbyn = rref (a' + a) how is the size of the column space and the null space related to size of m and n?
Answers: 2
Mathematics, 21.06.2019 21:50, jak000067oyyfia
Which rule describes the composition of transformations that maps ajkl to aj"k"l"? ro. 900 o to, -2(x, y) to, -20 ro, 900(x, y) ro, 9000 t-2. o(x, y) t-2, 00 ro, 900(x, y)
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Mathematics, 21.06.2019 22:40, btaylor1179
Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.
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Mathematics, 21.06.2019 23:00, brittneyrenae7338
What is the value of x in the equation7x+2y=48 when y=3
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Compute det(aat) and det(a™a) for several randomly generated non-square matrices a e rmxn. you may u...
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