l=[1 2 3 4 5 6 7 8 9 10 11 12]
Me=[156 22*l 54 -13*l;22*l 4*l^2 13*l -3*l^2;54 13*l 156 -22*l;-13*l -3*l^2 -22*l 4*l^2]*P*A*l/420;
例如,
Me1=[156 22*1 54 -13*1;22*1 4*1^2 13*1 -3*1^2;54 13*1 156 -22*1;-13*1 -3*1^2 -22*1 4*1^2]*P*A*1/420;
Me2=[156 22*2 54 -13*2;22*2 4*2^2 13*2 -3*2^2;54 13*2 156 -22*2;-13*2 -3*2^2 -22*2 4*2^2]*P*A*2/420;

 채택된 답변

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仅供参考
l=[1 2 3 4 5 6 7 8 9 10 11 12];
P=5;
A=6;
Me=[];
for i=1:length(l)
Me{i}={[156,22*l(i),54,-13*l(i);22*l(i),4*l(i)^2,13*l(i),-3*l(i)^2;54,13*l(i),156,-22*l(i);-13*l(i),-3*l(i)^2,-22*l(i),4*l(i)^2]*P*A*l(i)/420};
end

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