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Tianwen21

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pengyehui

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x=0:15;
y=exp(-x.^2)
Y=fft(y,16);
2Â¥2011-03-18 15:14:59
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Tianwen21

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ÒýÓûØÌû:
Originally posted by pengyehui at 2011-03-18 15:14:59:
x=0:15;
y=exp(-x.^2)
Y=fft(y,16);

лл£¡ÎÒÏëÎʵÄÊÇÈçºÎÓÃfft()º¯Êý¼ÆËãy(x)=exp(-x^2)µÄ¸µÀïÒ¶±ä»»µÄÊýÖµ½â(ÔÚ¸ºÎÞÇîµ½ÕýÎÞÇîÉÏ»ý·Ö£©£¿
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3Â¥2011-03-18 19:06:16
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pengyehui

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matlabÖÐ
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4Â¥2011-03-18 19:21:18
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Tianwen21

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ÒýÓûØÌû:
Originally posted by Tianwen21 at 2011-03-18 19:06:16:
лл£¡ÎÒÏëÎʵÄÊÇÈçºÎÓÃfft()º¯Êý¼ÆËãy(x)=exp(-x^2)µÄ¸µÀïÒ¶±ä»»µÄÊýÖµ½â(ÔÚ¸ºÎÞÇîµ½ÕýÎÞÇîÉÏ»ý·Ö£©£¿
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5Â¥2011-03-18 20:14:14
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hmmwjs

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