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§4.3高阶方程的降阶和幂级数解法ReductionofOrderPowerSeriesSolutions§4.3ReductionofOrderPowerSeriesSolutions本节内容/Contents/4.3.1可降阶的方程4.3.2二阶线性方程的幂级数解法§4.3ReductionofOrderPowerSeriesSolutions1.不显含某些变元0),,(,,x(n)Ftxx4.3.1可降阶的方程2.齐次线性方程已知部分线性无关解§4.3ReductionofOrderPowerSeriesSolutions1.(1)方程不显含未知函数x及),(,,1xkxx01),,,(... 2024-04-131122.5 KB10页
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