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byverone


Last seen: 2 years 前 |  自 2022 起处于活动状态

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2nd order diff equation for ode23/45?
I have spent hours trying to figure out why I'm not getting the correct answer. %xy''-y'-8*x^3*y^3=0 %y''= y'/x + 8y^3x^...

2 years 前 | 1 个回答 | 0

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