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Let A be a 3 ( 4 matrix, let v1 and v2 be vectors in, and let w = v1 + v2. Suppose v1 = Au1 and v2 …
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4 weeks ago
Let A be a 3 ( 4 matrix, let v1 and v2 be vectors in, and let w = v1 + v2. Suppose v1 = Au1 and v2 …
![Let x∈R and letP=[(1 1 1 0 2 2 0 0 3)],Q=[(2\&x\&x@0\&4\&0@x\&x\&6)]\\](http://i.ytimg.com/vi/Z399jgfOWag/mqdefault.jpg "Let x∈R and letP=[(1 1 1 0 2 2 0 0 3)],Q=[(2\&x\&x@0\&4\&0@x\&x\&6)]\\")
![Prove that |[1 +a^2 -b^2, 2ab, -2b],[2ab, 1-a^2 +b^2, 2a],[2b, -2a, 1-a^2 -b^2]| = (1 + a^2 + b^2)^3](http://i.ytimg.com/vi/B7UwIYXEcX8/mqdefault.jpg "Prove that |[1 +a^2 -b^2, 2ab, -2b],[2ab, 1-a^2 +b^2, 2a],[2b, -2a, 1-a^2 -b^2]| = (1 + a^2 + b^2)^3")
![Prove that |[a - b - c, 2a, 2a],[2b, b - c - a, 2b],[2c, 2c, c - a - b]| = (a + b +c)^3](http://i.ytimg.com/vi/F6Kll3fQIB0/mqdefault.jpg "Prove that |[a - b - c, 2a, 2a],[2b, b - c - a, 2b],[2c, 2c, c - a - b]| = (a + b +c)^3")
![[Advanced Learning Algorithms] 14.Matrix multiplication](http://i.ytimg.com/vi/5Qh841Qh4tM/mqdefault.jpg "[Advanced Learning Algorithms] 14.Matrix multiplication")
