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 Differential Equations
Differential Equations 是動態分析的其中一員。它是 Continuous，即是每一個 Interval 的闊度極細極細，細得幾乎沒有距離，
因此可以用 dy/dt 表示。
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First-Order Linear Differential Equations
| 名稱 | 樣式 | 注釋 |
| Constant Coefficient & Constant Term |
Homogeneous Case
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  or  |
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Nonhomogeneous Case
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 or 
 or 
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| Variable Coefficient & Variable Term |
Hmogeneous Case
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Nonhmogeneous Case
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Second-Order Linear Differential Equations
| 名稱 | 樣式 | 注釋 |
| Constant Coefficient & Constant Term
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yp﹕
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yc﹕
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1 ) Distinct Real Roots： 
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2 ) Repeated Real Roots： 
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3 ) Complex Roots： 
 ，  
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| Stability |
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1 ) Distinct Real Roots： 
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2 ) Repeated Real Roots： 
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3 ) Complex Roots： 
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