YHFT-DX 源代码

* AD620 SPICE Macro-model 10/95, Rev. B * ARG / ADSC * * Revision History: …

[x,y]=dsolve('D2x+2*Dx=x+2*y-exp(-t)','Dy=4*x+3*y+4*exp(-t)')

S=dsolve('Dx=y,Dy=-x'); disp([blanks(12),'x',blanks(21),'y']),disp([S.x,S.y])

function dx=c2ximp(t,x) A=[sin(x(1)) cos(x(2)); -cos(x(2)) sin(x(1))]; B=[1-x(1); -x(2)]; dx=inv(A)*B;

function dx=apolloeq(t,x) mu=1/82.45; mu1=1-mu; r1=sqrt((x(1)+mu)^2+x(3)^2); r2=sqrt((x(1)-mu1)^2+x(3)^2); dx=[x(2); 2*x…

function dx=c3ximp(t,x) A=[sin(x(1)) cos(x(2)); -cos(x(2)) sin(x(1))]; B=[1-x(1); -x(2)]; dx=inv(A)*B;

S = dsolve('Dx = y,Dy = -x'); disp([blanks(12),'x',blanks(21),'y']),disp([S.x,S.y]) y = dsolve('x*D2y-2*Dy = x^2','y(1) = 0,y(5)…

function dx=fun5(x,F,zF) a=1.5;L=2.706;V=3.206;H=0.5; for i=1:41 k(i)=a*x(i)/(1+(a-1)*x(i)); end dx(1)=((L+F)*x(2)-(L+F-V…

S = dsolve('Dx = y,Dy = -x'); disp([blanks(12),'x',blanks(21),'y']),disp([S.x,S.y]) y = dsolve('x*D2y-2*Dy = x^2','y(1) = 0,y(5)…

S=dsolve('Dx=y,Dy=-x'); disp([blanks(12),'x',blanks(21),'y']),disp([S.x,S.y])