📄 l1ipforce.nb
字号:
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5],
RowBox[{
StyleBox["function1",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5], "\[Equal]", "Q1"}],
StyleBox["}",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}],
StyleBox[",",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->8],
RowBox[{"{",
RowBox[{
RowBox[{"\[Phi]",
StyleBox["''",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5]}],
StyleBox["[",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5],
StyleBox["t",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5],
StyleBox["]",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}],
StyleBox["}",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}]}],
StyleBox["]",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}], "\[IndentingNewLine]",
RowBox[{
RowBox[{"expr1", "=",
RowBox[{
RowBox[{
RowBox[{"\[Phi]",
StyleBox["''",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5]}],
StyleBox["[",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5],
StyleBox["t",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5],
StyleBox["]",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}],
StyleBox[
RowBox[{
StyleBox["/",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5],
StyleBox[".",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5]}]],
StyleBox["%",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5]}]}],
StyleBox[" ",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}], "\[IndentingNewLine]",
RowBox[{
RowBox[{
StyleBox["function2",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5],
StyleBox["=",
FormatType->StandardForm,
FontFamily->"Math1Mono-Bold",
FontSize->9.5],
RowBox[{
RowBox[{\(\[PartialD]\_t\),
RowBox[{
SubscriptBox["\[PartialD]",
RowBox[{
RowBox[{"\[Phi]",
StyleBox["'",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5]}],
StyleBox["[",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5],
StyleBox["t",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5],
StyleBox["]",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}]], " ",
StyleBox["T",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5]}]}],
StyleBox["-",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5],
RowBox[{
SubscriptBox["\[PartialD]",
RowBox[{"\[Phi]",
StyleBox["[",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5],
StyleBox["t",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5],
StyleBox["]",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}]], " ",
StyleBox["T",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5]}]}]}],
StyleBox[";",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5]}], "\n",
RowBox[{
StyleBox["Simplify",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5],
StyleBox["[",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5],
StyleBox["function2",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5],
StyleBox["]",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}], "\n",
RowBox[{
StyleBox["Solve",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5],
StyleBox["[",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5],
RowBox[{
RowBox[{
StyleBox["{",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5],
RowBox[{
StyleBox["function2",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5], "\[Equal]", "Q2"}],
StyleBox["}",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}],
StyleBox[",",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->8],
RowBox[{"{",
RowBox[{
RowBox[{"\[Phi]",
StyleBox["''",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5]}],
StyleBox["[",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5],
StyleBox["t",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5],
StyleBox["]",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}],
StyleBox["}",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}]}],
StyleBox["]",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}], "\[IndentingNewLine]",
RowBox[{
RowBox[{"expr2", "=",
RowBox[{
RowBox[{
RowBox[{"\[Phi]",
StyleBox["''",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5]}],
StyleBox["[",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5],
StyleBox["t",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5],
StyleBox["]",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}],
StyleBox[
RowBox[{
StyleBox["/",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5],
StyleBox[".",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5]}]],
StyleBox["%",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5]}]}],
StyleBox[" ",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}], "\[IndentingNewLine]",
RowBox[{
StyleBox["Solve",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5],
StyleBox["[",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5],
RowBox[{
RowBox[{
StyleBox["{",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5],
RowBox[{
StyleBox["expr1",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5], "\[Equal]", "expr2"}],
StyleBox["}",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}],
StyleBox[",",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->8],
RowBox[{"{",
RowBox[{
RowBox[{"x",
StyleBox["''",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5]}],
StyleBox["[",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5],
StyleBox["t",
FormatType->StandardForm,
FontFamily->"Courier New",
FontSize->10.5],
StyleBox["]",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}],
StyleBox["}",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}]}],
StyleBox["]",
FormatType->StandardForm,
FontFamily->"Math2Mono-Bold",
FontSize->9.5]}], "\[IndentingNewLine]", \(D2x =
Simplify[\(x''\)[t] /. %]\), "\[IndentingNewLine]",
RowBox[{
RowBox[{"D2Phi", "=",
RowBox[{"Simplify", "[",
RowBox[{"expr1", "/.",
StyleBox[" ",
"MR"],
RowBox[{
StyleBox[\(\(x''\)[t]\),
"MR"], "\[Rule]",
StyleBox["D2x",
"MR"]}]}],
StyleBox["]",
"MR"]}]}], "\[IndentingNewLine]"}], "\[IndentingNewLine]",
RowBox[{
StyleBox["k1",
FormatType->StandardForm,
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -