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| | 让我们来看一个<math>4 \times 5</math>矩阵的例子: | | 让我们来看一个<math>4 \times 5</math>矩阵的例子: |
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| − | '''<font color="#ff8000"></font>'''
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| | <math> | | <math> |
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| | \mathbf{U} = \begin{bmatrix} | | \mathbf{U} = \begin{bmatrix} |
| | \color {Green}0&\color {Blue}-1&\color {Cyan}0&\color {Emerald}0 \\ | | \color {Green}0&\color {Blue}-1&\color {Cyan}0&\color {Emerald}0 \\ |
| − | -1 & 0 & 0 & 0 \\ | + | color {Green}-1&\color {Blue}0&\color {Cyan}0&\color {Emerald}0 \\ |
| − | 0 & 0 & 0 & -1 \\ | + | color {Green}0&\color {Blue}0&\color {Cyan}0&\color {Emerald}-1 \\ |
| − | 0 & 0 & -1 & 0 | + | color {Green}0&\color {Blue}0&\color {Cyan}-1&\color {Emerald}0 |
| | \end{bmatrix} | | \end{bmatrix} |
| | </math> | | </math> |
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| | <math> | | <math> |
| | \mathbf{\Sigma} = \begin{bmatrix} | | \mathbf{\Sigma} = \begin{bmatrix} |
| − | 3 & 0 & 0 & 0 & 0 \\ | + | 3&0&0&0&\color {Gray{\mathit {0}}} \\ |
| − | 0 & \sqrt{5} & 0 & 0 & 0 \\ | + | 0&{\sqrt {5}}&0&0&\color {Gray}{\mathit {0}} \\ |
| − | 0 & 0 & 2 & 0 & 0 \\ | + | 0&0&2&0&\color {Gray}{\mathit {0}} \\ |
| − | 0 & 0 & 0 & 0 & 0 | + | 0&0&0&\color {Red}\mathbf {0} &\color {Gray}{\mathit {0}} |
| | \end{bmatrix} | | \end{bmatrix} |
| | </math> | | </math> |
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| | <math> | | <math> |
| | \mathbf{V}^* = \begin{bmatrix} | | \mathbf{V}^* = \begin{bmatrix} |
| − | 0 & 0 & -1 & 0 & 0 \\ | + | color {Violet}0&\color {Violet}0&\color {Violet}-1&\color {Violet}0&\color {Violet}0 \\ |
| − | -\sqrt{0.2} & 0 & 0 & 0 & -\sqrt{0.8} \\ | + | color {Plum}-{\sqrt {0.2}}&\color {Plum}0&\color {Plum}0&\color {Plum}0&\color {Plum}-{\sqrt {0.8}} \\ |
| − | 0 & -1 & 0 & 0 & 0 \\ | + | color {Magenta}0&\color {Magenta}-1&\color {Magenta}0&\color {Magenta}0&\color {Magenta}0 \\ |
| − | 0 & 0 & 0 & 1 & 0 \\ | + | color {Orchid}0&\color {Orchid}0&\color {Orchid}0&\color {Orchid}1&\color {Orchid}0 \\ |
| − | -\sqrt{0.8} & 0 & 0 & 0 & \sqrt{0.2} | + | color {Purple}-{\sqrt {0.8}}&\color {Purple}0&\color {Purple}0&\color {Purple}0&\color {Purple}{\sqrt {0.2}} |
| | \end{bmatrix} | | \end{bmatrix} |
| | </math> | | </math> |