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begtostudy

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X0=[1 0 0 1]'
T0=[0 1 0 0]'
X1=[0 1 0 1]'
T1=[0 0 1 0]'

V0=[0 1/4 0 0]'
V1=[0 0 -1/4 0]'

%P2=[0 0 -1 1]'
%r0=[-12 0 0 12]*P2
r0=[-12 0 0 12]
%r1=[0 -12 0 12]*P2
r1=[0 -12 0 12]
%w0=[-4 -1 -2 4]*P2
w0=[-4 -1 -2 4]
%w1=[2 2 1 -2]*P2
w1=[2 2 1 -2]

A=diag([1 1 1 -1])

%18*P2'*A*P2+16*(w0*X0+r0*V0)'*A*(w1*X1+r1*V1)+(r0*X0)'*A*(r1*X1)=0
%P2'*M*P2=0
M=18*A+16*(w0*X0+r0*V0)'*A*(w1*X1+r1*V1)+(r0*X0)'*A*(r1*X1)

M =

    18     0     0     0
     0    18     0     0
     0     0    18     0
     0     0     0   -18

µ«ÊÇ×÷ÕßµÄÊÇ
[5  -4 4 4
-4 5 4 4
4 4 5  -4
4 4 -4  -13]
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[ Last edited by begtostudy on 2012-3-21 at 13:15 ]
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  • 2012-03-21 13:10:23, 393.25 K

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