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[求助]
Attempted to access (10.5185); index must be a positive integer or logical. 已有1人參與
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如題,是我運(yùn)行matlab時(shí)出現(xiàn)的錯(cuò)誤,我并沒(méi)有用矩陣,只是進(jìn)行的簡(jiǎn)單運(yùn)算。10.5185是x11的值。 程序如下: a1=2; m1=1;m2=1;m3=1;m4=1; b=1.2; A_fy=0.392; beta0_23=0.2858; beta1_23=1.667; beta0_14=0.01958; beta1_14=1.113; beta0_13=0.0765; beta1_13=0.2664; Cfy_23=-0.00130; Cfy_14=0.00497; Cfy_13=0.00127; pusy_134=0.0014; theta_34=0.02; I=0.5*(m1+4*m2+m3+4*m4); x12=6*1*2*A_fy*I^0.5; x11=6*1*1*A_fy*I^0.5; x22=6*2*2*A_fy*I^0.5; x34=6*(-1)*(-2)*A_fy*I^0.5; x33=6*(-1)*(-1)*A_fy*I^0.5; x44=6*(-2)*(-2)*A_fy*I^0.5; Z=2*m2+m1; f_r=-A_fy*(I^0.5/(1+b*I^0.5)+2*log(1+b*I^0.5)/b); g1=2*(a1*I^0.5)^(-2)*(1-(1+a1*I^0.5)*exp(-a1*I^0.5)); dg1=-2*(a1*I^0.5)^(-2)*(1-(1+a1*I^0.5+0.5*(a1*I^0.5)^2)*exp(-a1*I^0.5)); B_23=2*beta0_23+beta1_23*g1; B_14=2*beta0_14+beta1_14*g1; B_13=2*beta0_13+beta1_13*g1; C_23=Cfy_23/(2*2^0.5); C_14=Cfy_14/(2*2^0.5); C_13=Cfy_13/(2*2^0.5); dB_23=beta1_23*dg1/I; dB_14=beta1_14*dg1/I; dB_13=beta1_13*dg1/I; y1=m3*(B_23+Z*C_23+theta_34); y2=m1*(B_14+Z*C_14); y3=m2*m3*(4*dB_23+2*C_23); y4=m1*m3*(4*dB_13+2*C_13); y5=m1*m4*(4*dB_14+0.5*(4*C_14+pusy_134)); J(x12)=x12*(4+4.581*x12^(-0.7237)*exp(-0.012*x12^0.528))^(-1); J(x11)=x11*(4+4.581*x11^(-0.7237)*exp(-0.012*x11^0.528))^(-1); J(x22)=x22*(4+4.581*x22^(-0.7237)*exp(-0.012*x22^0.528))^(-1); J(x34)=x34*(4+4.581*x34^(-0.7237)*exp(-0.012*x34^0.528))^(-1); J(x33)=x33*(4+4.581*x33^(-0.7237)*exp(-0.012*x33^0.528))^(-1); J(x44)=x44*(4+4.581*x44^(-0.7237)*exp(-0.012*x44^0.528))^(-1); Etheta_12=(2/(4*I))*(J(x12)-J(x11)/2-J(x22)/2); Etheta_34=(2/(4*I))*(J(x34)-J(x33)/2-J(x44)/2); dJ(x12)=(4+4.581*x12^(-0.7237)*exp(-0.012*x12^0.528))^(-1)+(4+4.581*x12^(-0.7237)*exp(-0.012*x12^0.528))^(-2)*(4.581*x12*exp(-0.012*x12^0.528)*(0.7237*x12^(-4.581-1)+0.012*0.528*x12^(0.528-1)*x12^(-0.7237))); dJ(x11)=(4+4.581*x11^(-0.7237)*exp(-0.012*x11^0.528))^(-1)+(4+4.581*x11^(-0.7237)*exp(-0.012*x11^0.528))^(-2)*(4.581*x11*exp(-0.012*x11^0.528)*(0.7237*x11^(-4.581-1)+0.012*0.528*x11^(0.528-1)*x11^(-0.7237))); dJ(x22)=(4+4.581*x22^(-0.7237)*exp(-0.012*x22^0.528))^(-1)+(4+4.581*x22^(-0.7237)*exp(-0.012*x22^0.528))^(-2)*(4.581*x22*exp(-0.012*x22^0.528)*(0.7237*x22^(-4.581-1)+0.012*0.528*x22^(0.528-1)*x22^(-0.7237))); dJ(x34)=(4+4.581*x34^(-0.7237)*exp(-0.012*x34^0.528))^(-1)+(4+4.581*x34^(-0.7237)*exp(-0.012*x34^0.528))^(-2)*(4.581*x12*exp(-0.012*x34^0.528)*(0.7237*x34^(-4.581-1)+0.012*0.528*x34^(0.528-1)*x34^(-0.7237))); dJ(x33)=(4+4.581*x33^(-0.7237)*exp(-0.012*x33^0.528))^(-1)+(4+4.581*x33^(-0.7237)*exp(-0.012*x33^0.528))^(-2)*(4.581*x12*exp(-0.012*x33^0.528)*(0.7237*x33^(-4.581-1)+0.012*0.528*x33^(0.528-1)*x33^(-0.7237))); dJ(x44)=(4+4.581*x44^(-0.7237)*exp(-0.012*x44^0.528))^(-1)+(4+4.581*x44^(-0.7237)*exp(-0.012*x44^0.528))^(-2)*(4.581*x12*exp(-0.012*x44^0.528)*(0.7237*x44^(-4.581-1)+0.012*0.528*x44^(0.528-1)*x44^(-0.7237))); dtheta_12=-(theta_12/I)+(2/(8*I^2))*(x12*dJ(x12)-x11*dJ(x11)/2-x22*dJ(x22)/2); dtheta_34=-(theta_34/I)+(2/(8*I^2))*(x34*dJ(x34)-x33*dJ(x33)/2-x44*dJ(x44)/2); y=4*f_r+y1+y2+y3+y4+y5+4*m2*m1*dtheta_12+4*m3*m4*dtheta_34; |
銀蟲(chóng) (小有名氣)
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已改好,樓主試試看 a1=2; m1=1;m2=1;m3=1;m4=1; b=1.2; A_fy=0.392; beta0_23=0.2858; beta1_23=1.667; beta0_14=0.01958; beta1_14=1.113; beta0_13=0.0765; beta1_13=0.2664; Cfy_23=-0.00130; Cfy_14=0.00497; Cfy_13=0.00127; pusy_134=0.0014; theta_34=0.02; I=0.5*(m1+4*m2+m3+4*m4); x12=6*1*2*A_fy*I^0.5; x11=6*1*1*A_fy*I^0.5; x22=6*2*2*A_fy*I^0.5; x34=6*(-1)*(-2)*A_fy*I^0.5; x33=6*(-1)*(-1)*A_fy*I^0.5; x44=6*(-2)*(-2)*A_fy*I^0.5; Z=2*m2+m1; f_r=-A_fy*(I^0.5/(1+b*I^0.5)+2*log(1+b*I^0.5)/b); g1=2*(a1*I^0.5)^(-2)*(1-(1+a1*I^0.5)*exp(-a1*I^0.5)); dg1=-2*(a1*I^0.5)^(-2)*(1-(1+a1*I^0.5+0.5*(a1*I^0.5)^2)*exp(-a1*I^0.5)); B_23=2*beta0_23+beta1_23*g1; B_14=2*beta0_14+beta1_14*g1; B_13=2*beta0_13+beta1_13*g1; C_23=Cfy_23/(2*2^0.5); C_14=Cfy_14/(2*2^0.5); C_13=Cfy_13/(2*2^0.5); dB_23=beta1_23*dg1/I; dB_14=beta1_14*dg1/I; dB_13=beta1_13*dg1/I; y1=m3*(B_23+Z*C_23+theta_34); y2=m1*(B_14+Z*C_14); y3=m2*m3*(4*dB_23+2*C_23); y4=m1*m3*(4*dB_13+2*C_13); y5=m1*m4*(4*dB_14+0.5*(4*C_14+pusy_134)); J(1,2)=x12*(4+4.581*x12^(-0.7237)*exp(-0.012*x12^0.528))^(-1); J(1,1)=x11*(4+4.581*x11^(-0.7237)*exp(-0.012*x11^0.528))^(-1); J(2,2)=x22*(4+4.581*x22^(-0.7237)*exp(-0.012*x22^0.528))^(-1); J(3,4)=x34*(4+4.581*x34^(-0.7237)*exp(-0.012*x34^0.528))^(-1); J(3,3)=x33*(4+4.581*x33^(-0.7237)*exp(-0.012*x33^0.528))^(-1); J(4,4)=x44*(4+4.581*x44^(-0.7237)*exp(-0.012*x44^0.528))^(-1); Etheta_12=(2/(4*I))*(J(1,2)-J(1,1)/2-J(2,2)/2); Etheta_34=(2/(4*I))*(J(3,4)-J(3,3)/2-J(4,4)/2); dJ(1,2)=(4+4.581*x12^(-0.7237)*exp(-0.012*x12^0.528))^(-1)+(4+4.581*x12^(-0.7237)*exp(-0.012*x12^0.528))^(-2)*(4.581*x12*exp(-0.012*x12^0.528)*(0.7237*x12^(-4.581-1)+0.012*0.528*x12^(0.528-1)*x12^(-0.7237))); dJ(1,1)=(4+4.581*x11^(-0.7237)*exp(-0.012*x11^0.528))^(-1)+(4+4.581*x11^(-0.7237)*exp(-0.012*x11^0.528))^(-2)*(4.581*x11*exp(-0.012*x11^0.528)*(0.7237*x11^(-4.581-1)+0.012*0.528*x11^(0.528-1)*x11^(-0.7237))); dJ(2,2)=(4+4.581*x22^(-0.7237)*exp(-0.012*x22^0.528))^(-1)+(4+4.581*x22^(-0.7237)*exp(-0.012*x22^0.528))^(-2)*(4.581*x22*exp(-0.012*x22^0.528)*(0.7237*x22^(-4.581-1)+0.012*0.528*x22^(0.528-1)*x22^(-0.7237))); dJ(3,4)=(4+4.581*x34^(-0.7237)*exp(-0.012*x34^0.528))^(-1)+(4+4.581*x34^(-0.7237)*exp(-0.012*x34^0.528))^(-2)*(4.581*x12*exp(-0.012*x34^0.528)*(0.7237*x34^(-4.581-1)+0.012*0.528*x34^(0.528-1)*x34^(-0.7237))); dJ(3,3)=(4+4.581*x33^(-0.7237)*exp(-0.012*x33^0.528))^(-1)+(4+4.581*x33^(-0.7237)*exp(-0.012*x33^0.528))^(-2)*(4.581*x12*exp(-0.012*x33^0.528)*(0.7237*x33^(-4.581-1)+0.012*0.528*x33^(0.528-1)*x33^(-0.7237))); dJ(4,4)=(4+4.581*x44^(-0.7237)*exp(-0.012*x44^0.528))^(-1)+(4+4.581*x44^(-0.7237)*exp(-0.012*x44^0.528))^(-2)*(4.581*x12*exp(-0.012*x44^0.528)*(0.7237*x44^(-4.581-1)+0.012*0.528*x44^(0.528-1)*x44^(-0.7237))); dtheta_12=-(Etheta_12/I)+(2/(8*I^2))*(x12*dJ(1,2)-x11*dJ(1,1)/2-x22*dJ(2,2)/2); dtheta_34=-(Etheta_34/I)+(2/(8*I^2))*(x34*dJ(3,4)-x33*dJ(3,3)/2-x44*dJ(4,4)/2); y=4*f_r+y1+y2+y3+y4+y5+4*m2*m1*dtheta_12+4*m3*m4*dtheta_34; 話說(shuō)感覺(jué)像是求亞可比矩陣…… [ 發(fā)自手機(jī)版 http://www.gaoyang168.com/3g ] |
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