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wzycrfpxz

гæ (³õÈëÎÄ̳)

[ÇóÖú] matlab ÎÊÌâÇóÖú£¬Ò»¶Î³ÌÐò³ö´í£¬Çó¾À´í

function dx=lunar(t,x,u)
syms t x u;
u0=45760.00;
if ((x(6)/x(5))*cos(atan(x(7)/x(6)))+(x(7)/x(5))*sin(atan(x(7)/x(6)))-(3.283e-4)*x(10))+1>0
    u=u0;

else   u=0.00;
dx=[(u/x(5))*cos(atan(x(7)/x(6)));
    (u/x(5))*sin(atan(x(7)/x(6)));
    x(1);
    x(2);
    (-3.281e-4)*u;
    0;
    -x(9);
    0;
    0;
    (u/x(5)^2)*cos(atan(x(7)/x(6)))*x(6)+(u/x(5)^2)*sin(atan(x(7)/x(6)))*x(7)];

end

??? Error using ==> mupadmex
Error in MuPAD command: Index exceeds matrix dimensions.

Error in ==> sym.sym>sym.subsref at 1366
            B = mupadmex('mllib::subsref',A.s,inds{:});

Error in ==> lunar at 4
if ((x(6)/x(5))*cos(atan(x(7)/x(6)))+(x(7)/x(5))*sin(atan(x(7)/x(6)))-(3.283e-4)*x(10))+1>0
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csgt0

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

²ÊÉ«¹Òͼ

ÍüÁËxÊÇ10¸ö£¬ÓÃx=ones(1,10);
Õâ¸öxÊÇÊäÈëÖµ£¬µÃÄãÖªµÀÊýÖµÊǶàÉÙÊäÈë¡£
showmethemoney
5Â¥2012-08-23 10:23:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 8 ¸ö»Ø´ð

csgt0

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

²ÊÉ«¹Òͼ

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
wzycrfpxz: ½ð±Ò+1, ¡ïÓаïÖú 2012-08-23 11:23:26
°Ñsyms t x u;Õâ¾äɾµô
showmethemoney
2Â¥2012-08-23 10:02:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

wzycrfpxz

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by csgt0 at 2012-08-23 10:02:49
°Ñsyms t x u;Õâ¾äɾµô

??? Input argument "x" is undefined.

Error in ==> lunar at 4
if ((x(6)/x(5))*cos(atan(x(7)/x(6)))+(x(7)/x(5))*sin(atan(x(7)/x(6)))-(3.283e-4)*x(10))+1>0
ɾµôÒÔºó³öÏÖÕâ¸öÎÊÌâ
3Â¥2012-08-23 10:06:51
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

csgt0

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

²ÊÉ«¹Òͼ

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÄãÔõôµ÷Óú¯ÊýµÄ£¿ÄãÕâÊÇÒ»¸öº¯Êý£¬µÃÓñðµÄÊý¾Ýµ÷Ó㬱ÈÈçÄãÔÚÃüÁî´°¿ÚÊäÈëÒÔÏÂÊÔÊÔ£º
x=ones(1,7);
t=1;
u=2;
dx=lunar(t,x,u);
ÕâÑù¾Í¿ÉÒÔÔËÐÐÁË¡£µ«ÊÇÄãµÄtºÍuºÃÏñ¸ù±¾ÓëÍâÃæÃ»ÓйØÏµ£¬ÒòΪÔÙÀïÃæ¼ÆËãÁË
ËùÒÔÄã¿ÉÒԸijÉ
dx=lunar(x)
showmethemoney
4Â¥2012-08-23 10:22:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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