function dy = hw12(t,y)
dy = zeros(3,1);
dy(1) = -0.013*y(1)-1000*y(1)*y(3);
dy(2) = -2500*y(2)*y(3);
dy(3) = -0.013*y(1)-1000*y(1)*y(3)-2500*y(2)*y(3)
Input argument "y" is undefined.
Error in ==> hw12 at 3
dy(1) = -0.013*y(1)-1000*y(1)*y(3);
不好意思最近剛接觸 不太懂
y不就是變數嗎??為什麼還是undefined??
有請大大解答
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