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ex2_2_1.m
syms f
f(1)='y(2)';
f(2)='y(3)+24';
f(3)='-24*y(1)-26*y(2)-9*y(3)-192';
[y,t]=rungekutta_2(f,[1 0.5 -24]',0,1,0.02)
subplot(2,2,1),stairs(t,y(1,:)),axis([0 1 1 1.17]),title('y')
subplot(2,2,
ex2_1_2.m
syms f
f(1)='y(2)';
f(2)='y(3)+24';
f(3)='-24*y(1)-26*y(2)-9*y(3)-192';
[y,t]=oulahoucha(f,[1 0.5 -24]',0,1,0.02)
%stairs(t,out)
subplot(2,2,1),stairs(t,y(1,:)),axis([0 1 1 1.17]),title('y
fx2test.uv2
### uVision2 Project, (C) Keil Software
### Do not modify !
Target (Target 1), 0x0000 // Tools: 'MCS-51'
Group (Source Group 1)
File 1,2, 0x0
File 1,1,
flch2bzsheg2.m
A=6; x0=1; M=255; f=2; N=100;
for k=1:N
x2=A*x0;
x1=mod (x2,M);
v1=x1/256;
v(:,k)=(v1-0.5)*f;
x0=x1;
v0=v1;
end
v2=v
k1=k;
%grapher
k=1:k1;
plot(k,v,k,v,'r');
x
ex4-2.uv2
### uVision2 Project, (C) Keil Software
### Do not modify !
Target (Target 1), 0x0000 // Tools: 'MCS-51'
Group (Source Group 1)
File 1,1,
Options 1,0,0 // Target 'T
ex6-2.uv2
### uVision2 Project, (C) Keil Software
### Do not modify !
Target (Target 1), 0x0000 // Tools: 'MCS-51'
Group (Source Group 1)
File 1,1, 0x0
Options 1,0,0 // Targ
ex5-2.uv2
### uVision2 Project, (C) Keil Software
### Do not modify !
Target (Target 1), 0x0000 // Tools: 'MCS-51'
Group (Source Group 1)
File 1,1,
File 1,1,
File
ch3_2_2.htm
曲面及等值线绘图
ch11_2_2.htm
常微分方程式