Problem 1E: Two mn matrices A=aij and B=bij are equal if ________ for all i and j. Problem 2E Problem 3E Problem 4E Problem 5E Problem 6E Problem 7E Problem 8E Problem 9E Problem 10E Problem 11E: In Exerciser 9-16, find the values of all variables. 9. 2 3 = x u 10. y 2 x = 4 3 11. 2 x y 3 = 2 1... Problem 12E: In Exerciser 9-16, find the values of all variables. 9. 2 3 = x u 10. y 2 x = 4 3 11. 2 x y 3 = 2 1... Problem 13E Problem 14E Problem 15E: In Exerciser 9-16, find the values of all variables.
Problem 16E Problem 17E: In exercise 17-24, find each of the following if possible. a. A+B b. A-B c. -3A d. 3A-2B e. (A+B)2... Problem 18E Problem 19E Problem 20E Problem 21E Problem 22E Problem 23E Problem 24E Problem 25E: In Exercise 25-32, solve each matrix equation for X, where A=231124,B=210234... Problem 26E: In Exercise 25-32, solve each matrix equation for X, where A=231124,B=210234... Problem 27E: In Exercise 25-32, solve each matrix equation for X, where A=231124,B=210234... Problem 28E: In Exercise 25-32, solve each matrix equation for X, where A=231124,B=210234... Problem 29E: In Exercise 25-32, solve each matrix equation for X, where A=231124,B=210234... Problem 30E Problem 31E Problem 32E: In Exercise 25-32, solve each matrix equation for X, where A=231124,B=210234... Problem 33E: In Exercise 33-42, find each product if possible. a. AB b. BA 33.A= 1 2 3 4 ,B= 2 1 3 5 34.A= 3 2 1... Problem 34E: In Exercise 33-42, find each product if possible. a. AB b. BA 33.A= 1 2 3 4 ,B= 2 1 3 5 34.A= 3 2 1... Problem 35E: In Exercise 33-42, find each product if possible. a. AB b. BA 33.A= 1 2 3 4 ,B= 2 1 3 5 34.A= 3 2 1... Problem 36E: In Exercise 33-42, find each product if possible. a. AB b. BA 33.A= 1 2 3 4 ,B= 2 1 3 5 34.A= 3 2 1... Problem 37E: In Exercise 33-42, find each product if possible. a. AB b. BA 33.A= 1 2 3 4 ,B= 2 1 3 5 34.A= 3 2 1... Problem 38E: In Exercise 33-42, find each product if possible. AB b. BA 33.A= 1 2 3 4 ,B= 2 1 3 5 34.A= 3 2 1 5 0... Problem 39E: In Exercise 33-42, find each product if possible. AB b. BA 33.A= 1 2 3 4 ,B= 2 1 3 5 34.A= 3 2 1 5 0... Problem 40E: In Exercise 33-42, find each product if possible. AB b. BA 33.A= 1 2 3 4 ,B= 2 1 3 5 34.A= 3 2 1 5 0... Problem 41E: In Exercise 33-42, find each product if possible. AB b. BA 33.A= 1 2 3 4 ,B= 2 1 3 5 34.A= 3 2 1 5 0... Problem 42E: In Exercise 33-42, find each product if possible. AB b. BA 33.A= 1 2 3 4 ,B= 2 1 3 5 34.A= 3 2 1 5 0... Problem 43E Problem 44E Problem 45E Problem 46E Problem 47E Problem 48E Problem 49E Problem 50E: 50 Cost matrix. Repeat Exercise 49 if the order from location A is tripled and the order from... Problem 51E Problem 52E Problem 53E Problem 54E Problem 55E Problem 56E Problem 57E Problem 58E Problem 59E Problem 60E Problem 61E Problem 62E Problem 63E Problem 64E Problem 65E Problem 66E Problem 67E Problem 68E: Let A=235145134 and B=135135135 Verify that AB = O. This example shows that AB = O does not imply... Problem 69E: Select appropriate 2 ( 2 matrices A and B to show that, in general, A+B2A2+2AB+B2. Problem 70E Problem 71E Problem 72E Problem 73E Problem 74E Problem 75E: Find x and y if 4213102121234211=xy Problem 76E Problem 77E Problem 78E Problem 79E Problem 80E Problem 81E Problem 82E Problem 83E Problem 84E Problem 85E Problem 86E Problem 87E Problem 88E Problem 89E Problem 90E Problem 91E Problem 92E Problem 93E Problem 94E Problem 95E Problem 96E Problem 97E Problem 98E: In exercise 95-98, solve each system.... format_list_bulleted