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[ÇóÖú] matlabÖÐdydtµÄ±àдҪÇó

ÎÒ±àµÄÒ»¶Î³ÌÐòµÄÒ»²¿·Ö£¬yeildÊÇÒ»¸öÐÐÏòÁ¿£¬ËûÀÏÊÇ˵??? Error: File: F:\ivpodefun.m Line: 20 Column: 14Missing MATLAB operator.

Line: 20 Column: 14¾ÍÊÇÏÂÃæ¼Ó´ÖµÄµØ·½
for i=3:1:39
    for j=1:1:38
    if i>j+1
        sum=sum+1;
    dyeild(i)dt=dyeild(i)dt-k(sum)*yeild(i);
    dyeild(j)dt=dyeild(j)dt+k(sum)*yeild(i);
    dyeild(39+i-j)dt=dyeild(39+i-j)dt+k(sum)*yeild(i);
    else
    end
    end
end
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newtonnapo

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ÒýÓûØÌû:
Originally posted by lds588 at 2011-06-08 21:13:59:
dyeildÓëyeidÊÇÁ½¸ö²»Í¬µÄÊý×飬ÇëÎÊÄãµÄdyeildÊÇ·ñ¶¨Ò壿

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function dyeilddt=ivpodefun(t,yeild)
format long
sum=0;
feed=cell(1,2);
feed(1,1)={[1 1 0 0;2 1 0 0;3 1 0 0;4 1 0 0;5 1 0 0;6 1 0 0;7 1 0 0;8 1 0 0;9 1 0 0;10 1 0 0;
    11 1 0 0;12 1 0 0;13 1 0 0;14 1 0 0;15 1 0 0;16 1 0 0;17 1 0 0;18 1 0 0;19 1 0 0;20 1 0 0;
    21 1 0 0;22 1 0 0;23 1 0 0;24 1 0 0;25 1 0 0;26 1 0 0;27 1 0 0;28 1 0 0;29 1 0 0;30 1 0 0;
    31 1 0 0;32 1 0 0;33 1 0 0;34 1 0 0;35 1 0 0;36 1 0 0;37 1 0 0;38 1 0 0;39 1 0 0]};
feed(1,2)={[2 0 0 0;3 0 0 0;4 0 0 0;5 0 0 0;6 0 0 0;7 0 0 0;8 0 0 0;9 0 0 0;10 0 0 0;
    11 0 0 0;12 0 0 0;13 0 0 0;14 0 0 0;15 0 0 0;16 0 0 0;17 0 0 0;18 0 0 0;19 0 0 0;20 0 0 0;
    21 0 0 0;22 0 0 0;23 0 0 0;24 0 0 0;25 0 0 0;26 0 0 0;27 0 0 0;28 0 0 0;29 0 0 0;30 0 0 0;
    31 0 0 0;32 0 0 0;33 0 0 0;34 0 0 0;35 0 0 0;36 0 0 0;37 0 0 0;38 0 0 0;39 0 0 0]};
yeild=xlsread('F:\crack\1','Sheet1','F6:F82');
k=xlsread('F:\crack\1','Sheet1','A2:A667');
dyeilddt=zeros(77,1);
for i=3:1:39
    for j=1:1:38
    if i>j+1
        sum=sum+1;
    dyeild(i)dt=dyeild(i)dt-k(sum)*yeild(i);
    dyeild(j)dt=dyeild(j)dt+k(sum)*yeild(i);
    dyeild(39+i-j)dt=dyeild(39+i-j)dt+k(sum)*yeild(i);
    else
    end
    end
end
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5Â¥2011-06-09 13:40:16
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newtonnapo

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2Â¥2011-06-08 15:58:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lds588

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³ôË®¹µ(½ð±Ò+1): лл²ÎÓë~~ 2011-06-08 22:25:41
ÒýÓûØÌû:
Originally posted by newtonnapo at 2011-06-08 15:57:11:
ÎÒ±àµÄÒ»¶Î³ÌÐòµÄÒ»²¿·Ö£¬yeildÊÇÒ»¸öÐÐÏòÁ¿£¬ËûÀÏÊÇ˵??? Error: File: F:\ivpodefun.m Line: 20 Column: 14Missing MATLAB operator.

Line: 20 Column: 14¾ÍÊÇÏÂÃæ¼Ó´ÖµÄµØ·½
for i=3:1:39
    f ...

dyeildÓëyeidÊÇÁ½¸ö²»Í¬µÄÊý×飬ÇëÎÊÄãµÄdyeildÊÇ·ñ¶¨Ò壿
[url=http://weibo.com/u/2577306830?s=6uyXnP][img]http://service.t.sina.com.cn/widget/qmd/2577306830/fa2fdb00/1.png[/img][/url]
3Â¥2011-06-08 21:13:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

newtonnapo

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