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ʹÓõÄÈíÌåÊÇMathematica 5.2 ¡£ ֮ǰÓÐÒ»µãµãʹÓÃCµÄ¾Àú£¬µ±È»Ò²²»ÊǺÜÊìϤÁË£¡±È½Ïϲ»¶·ûºÅ¼ÆËãϵͳ£¬ËùÒÔÑ¡ÔñÁËMathematicaÈí¼þ£¡ ÎÒÏëÕâô²Ù×÷£¬¶¨ÒåÒ»¸öһάÊý×飬µ±È»ÔÚmathematicaÖÐÊǽÐ×öÁбíµÄ£¬±ÈÈ磬Õâ¸öһάµÄÊý×éÓÐÊ®¸öÔªËØ£¬ÎÒÐèÒªµÄÊÇ£¬¶¨ÒåÍêÖ®ºó£¬ÐèÒª´ÓÒ»¸öÎĵµÖжÁÈëÊý¾Ý¡£ Êý¾ÝµÄ¸ñʽÈçÏ£º 618.12 466.06 447.29 439.61 414.74 404.89 397.65 391.82 381.30 358.47 ¼´£¬Ã¿ÐÐÒ»¸ö£¬Ó¦¸Ã˵£¬¶¼ÊÇʵÐÍÊý¾Ý¡£¼Ù¶¨Êý¾ÝÎĵµÎª£ºdata.txt(ÊÇLinuxϵͳϵÄÎĵµ¸ñʽ£© ÔÚMathematicaÖÐÈçºÎ¶ÁÈ¡Õâ¸öÍⲿÎĵµdata.txtÖеÄÊý¾Ý£¬¸³Öµµ½ÎÒ¶¨ÒåµÄһλÊý×飿 Ï£Íû´óÏÀÖ¸½Ì£¡ [ Last edited by woshilsh on 2008-12-7 at 22:19 ] |
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woshilsh
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2Â¥2008-12-05 15:33:08
coldwind042
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kuhailangyu(½ð±Ò+1,VIP+0):thanks~~!
kuhailangyu(½ð±Ò+1,VIP+0):thanks~~!
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Ïà¹ØÃüÁ filename ÏÔʾÎļþÄÚÈÝ < Expr>>>filename ´ò¿ªÎļþ´ÓÎļþĩд Read (Built-in Mathematica Symbol) Read[stream] reads one expression from an input stream, and returns the expression. Read[stream, type] reads one object of the specified type. Read[stream, {type_1, type_2, ... OpenRead (Built-in Mathematica Symbol) OpenRead["file"] opens a file to read data from, and returns an InputStream object. Êý¾ÝÎļþ£ºD:\data.txt 618.12 466.06 447.29 439.61 414.74 404.89 397.65 391.82 381.30 358.47 ³ÌÐò´úÂ룺 Clear[str,n,x,i]; str = OpenRead["D:\data.txt"]; n=10; x=Range[n]; Do[x[]=Read[str, Number],{i,1,n}] x ÔËÐнá¹û£º {618.12, 466.06, 447.29, 439.61, 414.74, 404.89, 397.65, 391.82, \ 381.3, 358.47} |
3Â¥2008-12-05 17:18:10
abbott
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ÏÖÔÚÎÒ˳ÀûµÄ¶ÁÈëÊý¾Ý£¬µÃµ½µÄÏëÒªµÄ¼ÆËã½á¹û£¡ ĿǰÕýÔÚ×ÁÄ¥»æÍ¼Ö¸ÁîºÍÊý¾ÝµÄÊä³ö£¡ ÎÒ¼ÆËãµÃµ½µÄÊý¾ÝÊÇÕâÑùµÄ½á¹ûµÄ£º {0.00045224, 0.000525196, 0.000607412, 0.000699634, 0.0008026, 0.000917037, \ 0.00104365, 0.0011831, 0.00133602,£¨ÖмäÊ¡ÂԺࣩܶ 0.00150299, 0.00168453, 0.0018811, \ 0.00209309, 0.00232084, 0.00256464, 0.00282469, 0.00310119, 0.00339428, \ 0.00370412, 0.00403086, 0.00437469,} ÎÒÏë°ÑÕâ¸öÊý¾Ýת»¯³ÉÕâÑùµÄ¸ñʽ£º È«²¿ÓÒ¶ÔÆë£¬Ò»ÐÐÒ»¸öÊý¾Ý£¬ÈçͬÉÏÃæµÄÊäÈëÊý¾ÝµÄ¸ñʽһÑù£¡ ¶øÇÒÎÒÏ£ÍûÕâÀïµÄ¿ÆÑ§¼ÆÊý·¨£¬ÔÚOrigin ºÍ ExcelÈí¼ûÖÐÒ²¿ÉÒÔʶ±ð£¡ ÆÚ´ý´óÏÀµÄ°ïÖú£¡ |

4Â¥2008-12-06 20:43:01
mshwangg
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coldwind042(½ð±Ò+2,VIP+0):À÷º¦£¡Ð»Ð»
coldwind042(½ð±Ò+2,VIP+0):À÷º¦£¡Ð»Ð»
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SetDirectory["D:\\"]; A={0.00045224, 0.000525196, 0.000607412, 0.000699634, 0.0008026, 0.000917037, \ 0.00104365, 0.0011831, 0.00133602,£¨ÖмäÊ¡ÂԺࣩܶ 0.00150299, 0.00168453, 0.0018811, \ 0.00209309, 0.00232084, 0.00256464, 0.00282469, 0.00310119, 0.00339428, \ 0.00370412, 0.00403086, 0.00437469,}£» N=Length[A]; strm=OpenAppend["1.dat",FormatType->OutputForm]; Do[Write[strm,FortranForm[Part[A,i]]],{i,1,N}]; Close[strm]; |
5Â¥2008-12-29 16:41:51
led1985
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6Â¥2009-01-14 08:41:50














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