求问三道数学题的解答,知道的给个解答.1)y"+y=s(t-2π) ,y(0)=10 ,y'(0)=02)y"+2y'+2y=e^(-t)+5s(t-2) ,y(0)=0 ,y'(0)=13)y"-y=10s(t-1/2)-100s(t-1) ,y(0)=10 ,y'(0)=1过程也写上.似乎是和[ Laplace]有关的,
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求问三道数学题的解答,知道的给个解答.1)y"+y=s(t-2π) ,y(0)=10 ,y'(0)=02)y"+2y'+2y=e^(-t)+5s(t-2) ,y(0)=0 ,y'(0)=13)y"-y=10s(t-1/2)-100s(t-1) ,y(0)=10 ,y'(0)=1过程也写上.似乎是和[ Laplace]有关的,
求问三道数学题的解答,知道的给个解答.
1)y"+y=s(t-2π) ,y(0)=10 ,y'(0)=0
2)y"+2y'+2y=e^(-t)+5s(t-2) ,y(0)=0 ,y'(0)=1
3)y"-y=10s(t-1/2)-100s(t-1) ,y(0)=10 ,y'(0)=1
过程也写上.似乎是和[ Laplace]有关的,
求问三道数学题的解答,知道的给个解答.1)y"+y=s(t-2π) ,y(0)=10 ,y'(0)=02)y"+2y'+2y=e^(-t)+5s(t-2) ,y(0)=0 ,y'(0)=13)y"-y=10s(t-1/2)-100s(t-1) ,y(0)=10 ,y'(0)=1过程也写上.似乎是和[ Laplace]有关的,
请问你是要问什么? 问题不明确.