2024-04-13021.9 KB6页
2024-04-130212 KB8页
2024-04-13016.38 KB3页
§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),,,(... 2024-04-130122.5 KB10页
2024-04-13083 KB6页
§4.3ReductionofOrderPowerSeriesSolutions0不显含某些变元),,(,,x(n)Ftxx),(,,1xkxx4.3.1可降阶的方程(1)方程不显含未知函数x及1.方程可降低k阶(2)方程不显含自变量t:0),,,(x(n)Fxx).(594可降低一阶§4.3ReductionofOrderPowerSeriesSolutionsxydtyddtxdx)(方法令dtdxdxdydxydydtdxdxdxydyddxdtydydx)()(2222222dxydydxydydxydydxdyy)())((§4.3Reduction... 2024-04-130156 KB11页
2024-04-130469.67 KB15页
2024-04-130219.5 KB15页
2024-04-130218 KB15页
2024-04-13021.8 KB6页
2024-04-130157 KB12页
2024-04-13076.72 KB27页
2024-04-130305.5 KB16页
2024-04-13025.5 KB5页
2024-04-130215.5 KB12页
2024-04-13023 KB5页
2024-04-130245.5 KB14页
2024-04-13071 KB11页
2024-04-130294.5 KB17页
2024-04-13024.23 KB3页
