| ²é¿´: 1426 | »Ø¸´: 0 | ||
figozfhгæ (³õÈëÎÄ̳)
|
[ÇóÖú]
matlab½âʱ¼ä×îÓÅ¿ØÖÆÊ¹ÓÃbvp4c½â¹þÃܶٷ½³Ì×éʱ³öÏÖ´íÎó
|
|
ÓÉÓÚÄ©¶Ëʱ¿Ìδ֪£¬ÎÒ½«Ê±¼ä±ä»»³ÉÄ©¶Ë¹Ì¶¨Ê±¿ÌµÄÎÊÌâʱ¼äÇø¼ä£¨0£¬T£©±ä»»³É£¨0,1£©£¬ÏàÓ¦µÄ״̬·½³Ì³ËÒÔT ´úÂëÈçÏ£º T=22;%²Â²â×îÓÅʱ¼ä x=linspace(0,1,10); solinit=bvpinit(x,[0 0 0 0 0 -1/4] ,T); sol=bvp4c(@ode,@bc,solinit); %״̬·½³Ì function dydt=ode(t,y,T); b=400; v0=3; a=4; dydt=[T*y(3)*y(4)/sqrt(y(4)^2+y(5)^2) T*4/b^2*y(1)*(b-y(1))*v0+T*y(3)*y(5)/sqrt(y(4)^2+y(5)^2) T*sign(y(6))*-1*a; T*-1*4*y(5)/b^2*v0*(-2*y(1)+b) 0 T*-1*sqrt(y(4)^2+y(5)^2)] %±ß½çÌõ¼þ function res=bc(ya,yb,T); res=[ ya(1) ya(2) ya(3) yb(1)-400 yb(2) yb(3)]; %%%%%%%%%%%%%% ÔËÐкó·¢ÏÖ´íÎóΪ£ºError using bvparguments (line 112) Error in calling BVP4C(ODEFUN,BCFUN,SOLINIT): The boundary condition function BCFUN should return a column vector of length 7. ´óÖÂÒâ˼ÊÇ˵ÐèÒª·µ»Ø7¸ö±ß½çÌõ¼þ£¬ÈçºÎ½â¾ö¡£ |
» ²ÂÄãϲ»¶
²ÄÁÏѧ˶297ÒѹýËÄÁù¼¶Çóµ÷¼ÁÍÆ¼ö
ÒѾÓÐ8È˻ظ´
±¾ÈË¿¼085602 »¯Ñ§¹¤³Ì ר˶
ÒѾÓÐ21È˻ظ´
265Çóµ÷¼Á
ÒѾÓÐ12È˻ظ´
Çóµ÷¼Á
ÒѾÓÐ5È˻ظ´
Ò»Ö¾Ô¸ÖÐÄÏ»¯Ñ§337Çóµ÷¼Á
ÒѾÓÐ6È˻ظ´
350Çóµ÷¼Á
ÒѾÓÐ3È˻ظ´
295¸´ÊÔµ÷¼Á
ÒѾÓÐ8È˻ظ´
0817 »¯Ñ§¹¤³Ì 299·ÖÇóµ÷¼Á ÓпÆÑоÀú ÓжþÇøÎÄÕÂ
ÒѾÓÐ22È˻ظ´
287Çóµ÷¼Á
ÒѾÓÐ7È˻ظ´
329Çóµ÷¼Á
ÒѾÓÐ7È˻ظ´













»Ø¸´´ËÂ¥