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owl linalg
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| let x = Mat.uniform 4 4;; | |
| let x = Mat.symmetric x;; | |
| let v, w = Linalg.D.eig x;; | |
| let w = Dense.Matrix.Z.re w;; | |
| let v = Dense.Matrix.Z.re v;; | |
| let v0 = Mat.col v 0;; | |
| let a = Mat.(x *@ v0);; | |
| let b = Mat.(v0 *$ w.{0,0});; | |
| Mat.(a =~ b);; | |
| let x = Mat.uniform 4 4;; | |
| let v, w = Linalg.D.eig x;; | |
| let k = 1;; | |
| let vk = Dense.Matrix.Z.col v k;; | |
| let x = Dense.Matrix.Z.complex x (Mat.zeros 4 4);; | |
| let a = Dense.Matrix.Z.(x *@ vk);; | |
| let b = Dense.Matrix.Z.(vk *$ w.{0,k});; | |
| Mat.(a =~ b);; | |
| let x = Mat.uniform 2000 2000;; | |
| let f () = Linalg.D.eig x;; | |
| Utils.time f;; |
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