()
| 65 | } |
| 66 | |
| 67 | func (A *Matrix) copy() *Matrix { |
| 68 | B := new(Matrix) |
| 69 | B.rows = A.rows |
| 70 | B.cols = A.cols |
| 71 | B.step = A.step |
| 72 | |
| 73 | B.Elements = make([]float64, A.cols*A.rows) |
| 74 | |
| 75 | for i := 0; i < A.rows; i++ { |
| 76 | for j := 0; j < A.cols; j++ { |
| 77 | B.Elements[i*A.step+j] = A.GetElm(i, j) |
| 78 | } |
| 79 | } |
| 80 | return B |
| 81 | } |
| 82 | |
| 83 | func (A *Matrix) trace() float64 { |
| 84 | var tr float64 = 0 |