ÒÑÖªÒ»¸öÒÔ 2 ΪÖÜÆÚµÄÖÜÆÚº¯Êý f. ÄãµÄÈÎÎñÊÇÕÒ³öÕâ¸öº¯ÊýµÄ Fourier ¼¶ÊýÕ¹¿ª µÄµÚÒ»ÏîϵÊý.
Äã¿ÉÒÔ×÷¶à´Î³¢ÊÔ. ÿ´Î³¢ÊÔ¶¼¿ÉÒÔ¿´µ½ÄãµÄ``Õ¹¿ªÊ½'' g ÒÔ¼°º¯Êý f µÄÇúÏß. È»ºóÄã¿ÉÒÔÐÞ¸ÄÄãµÄ»Ø´ð, ʹµÃÁ½ÌõÇúÏß¾¡¿ÉÄܽӽü. ÓàÏî f-g µÄÇúÏßÒ²±»»³ö, ʹÄãÄÜ¿´µ½Îó²î.
¾¯¸æ : ¶ÔͬÑùµÄ½×, ÐÎÈç ancos(nx)+bnsin(nx) µÄÕ¹¿ªÊ½±ÈÕñ·ù¼ÓÏàλµÄÐÎʽÀ§Äѵöà.
Ñ¡ÔñÄÑ¶È : ³õѧÕß (1 ½×) ÄÑ (2 ½×) ºÜÄÑ (3 ½×)
±¾Á·Ï°µÄÔ¤±¸ÖªÊ¶ : Èý½Ç, ¼¶Êý, Fourier ¼¶Êý. The most recent version
Çë×¢Òâ: WIMS µÄÍøÒ³Êǽ»»¥Ê½µÄ: ËüÃDz»ÊÇͨ³£µÄ HTML Îļþ. Ö»ÄÜÔÚÏß½»»¥µØ ʹÓÃ. ÄúÓÃ×Ô¶¯»¯³ÌÐòÊÕ¼¯µÄÍøÒ³ÊÇÎÞÓõÄ.