Unformatted text preview: . If it uses the legally permitted maximum of one unit of additives it obtains the amounts 3 0 5 . Assuming that the refinery can treat or not treat any amounts of crude oil it likes, can the company produce the following quantities of the three grades? (a) 11 4 9 (b) 10 3 12 3. Find the row vector x such that A x c T d where A 1 2 1 3 , A 1 3 2 1 1 , c T 2 2 , d 3 1 The matrix A 1 has the properties that A 1 A AA 1 A 1 T A T A T A 1 T 1 0 0 1...
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 Spring '06
 Heaps
 Englishlanguage films, crude oil, Input/output

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