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syms x % k=6
x=0:0.001:0.11;
y=50/119232*(-0.81*0.5*(cosh(6*x).*sin(6*x)+sinh(6*x).*cos(6*x))+2.73*0.25*(cosh(6*x).*sin(6*x)-sinh(6*x).*cos(6*x)))+4*50*6/119232*(-0.15*0.5*(cosh(6*x).*sin(6*x)+sinh(6*x).*cos(6*x))+0.44*0.25*(cosh(6*x).*sin(6*x)-sinh(6*x).*cos(6*x)))+50/119232*(cosh(6*x).*cos(6*x)-1);%-4*50*6/119232*0.25*(cosh(6*(x-0.11)).*sin(6*(x-0.11))-sinh(6*(x-0.11)).*cos(6*(x-0.11)))
H(1)=plot(x,y,'blue');
hold on
x=0.11:0.001:0.33;
y=50/119232*(-0.81*0.5*(cosh(6*x).*sin(6*x)+sinh(6*x).*cos(6*x))+2.73*0.25*(cosh(6*x).*sin(6*x)-sinh(6*x).*cos(6*x)))+4*50*6/119232*(-0.15*0.5*(cosh(6*x).*sin(6*x)+sinh(6*x).*cos(6*x))+0.44*0.25*(cosh(6*x).*sin(6*x)-sinh(6*x).*cos(6*x)))+50/119232*(cosh(6*x).*cos(6*x)-1)-4*50*6/119232*0.25*(cosh(6*(x-0.11)).*sin(6*(x-0.11))-sinh(6*(x-0.11)).*cos(6*(x-0.11)));
H(2)=plot(x,y,'blue');
hold on
syms x % k=6
x=0:0.001:0.22;
y=237/119232*(-0.81*0.5*(cosh(6*x).*sin(6*x)+sinh(6*x).*cos(6*x))+2.73*0.25*(cosh(6*x).*sin(6*x)-sinh(6*x).*cos(6*x)))+4*50*6/119232*(-0.11*0.5*(cosh(6*x).*sin(6*x)+sinh(6*x).*cos(6*x))+0.13*0.25*(cosh(6*x).*sin(6*x)-sinh(6*x).*cos(6*x)))+237/119232*(cosh(6*x).*cos(6*x)-1);%-4*50*6/119232*0.25*(cosh(6*(x-0.22)).*sin(6*(x-0.22))-sinh(6*(x-0.22)).*cos(6*(x-0.22)))
H(3)=plot(x,y,'red');
hold on
x=0.22:0.001:0.33;
y=237/119232*(-0.81*0.5*(cosh(6*x).*sin(6*x)+sinh(6*x).*cos(6*x))+2.73*0.25*(cosh(6*x).*sin(6*x)-sinh(6*x).*cos(6*x)))+4*50*6/119232*(-0.11*0.5*(cosh(6*x).*sin(6*x)+sinh(6*x).*cos(6*x))+0.13*0.25*(cosh(6*x).*sin(6*x)-sinh(6*x).*cos(6*x)))+237/119232*(cosh(6*x).*cos(6*x)-1)-4*50*6/119232*0.25*(cosh(6*(x-0.22)).*sin(6*(x-0.22))-sinh(6*(x-0.22)).*cos(6*(x-0.22)));
H(4)=plot(x,y,'red');
hold on
legend(H([1,3]),'23','56')

Originally posted by qq449077540 at 2010-07-16 21:29:27:
syms x % k=6
x=0:0.001:0.11
y=50/119232*(-0.81*0.5*(cosh(6*x).*sin(6*x)+sinh(6*x).*cos(6*x))+2.73*0.25*(cosh(6*x).*sin(6*x)-sinh(6*x).*cos(6*x)))+4*50*6/119232*(-0.15*0.5*(cosh(6*x).*sin(6*x)+sin ...

Originally posted by change0618 at 2010-07-16 23:17:39:
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y=func1*(x>=0 & x<=0.11)+func2*(x>0.11 & x<0.33)

Originally posted by robert2020 at 2010-07-16 23:31:57:
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