周期的波動を整流する
正弦波を整流する．
| In[1]:= |  X |
| Out[1]= |  |
もとの正弦波とともに，整流された波をプロットする．
| In[2]:= |  X |
| Out[2]= |  |
楕円波を整流する．この場合，数値メソッドを使って事象の時間が得られる．
| In[3]:= |  X |
| Out[3]= |  |
| In[4]:= |  X |
| Out[4]= |  |
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