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《利用Mathematica画平面区域.ppt》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、曲线围成的区域30JUN2010X型区域用Filling曲线下方的区域Plot[f[x],{x,a,b},Filling->Bottom,FillingStyle->Yellow]f[x_]:=x^2;Quxian=Plot[f[x],{x,-0.1,1.1},PlotStyle->{AbsoluteThickness[2],Red}];Quyu=Plot[f[x],{x,0,1},Filling->Bottom,AspectRatio->1,PlotRange->All,Ticks->{{-1,0,1},{-1,0,1}}
2、,FillingStyle->Green];Show[Quyu,Quxian]30JUN2010曲线与x轴围成的区域Plot[f[x],{x,a,b},Filling->Axis,FillingStyle->Yellow]f[x_]:=Sin[x];Quxian=Plot[f[x],{x,-1.1,1.1},PlotStyle->{AbsoluteThickness[3],Red}];Quyu=Plot[f[x],{x,-1,1},Filling->Axis,AspectRatio->1,PlotRange->All,Tic
3、ks->{{-1,0,1},{-1,0,1}},FillingStyle->Green];Show[Quyu,Quxian]30JUN2010两曲线围成的区域Quyu=Plot[{f[x],g[x]},{x,a,b},Filling->{1}]f[x_]:=x;g[x_]:=x^2;Quxian1=Plot[f[x],{x,-1.3,1.3},PlotStyle->{AbsoluteThickness[2],Red}];Quxian2=Plot[g[x],{x,-1.3,1.3},PlotStyle->{AbsoluteTh
4、ickness[2],Blue}];Quyu=Plot[{f[x],g[x]},{x,0,1},Filling->{1->{2}},AspectRatio->1,PlotRange->All,Ticks->{{-1,0,1},{-1,0,1}},FillingStyle->Green];Show[Quyu,Quxian1,Quxian2]30JUN2010f[x_]:=Sin[x];g[x_]:=Cos[x];Quxian1=Plot[f[x],{x,0,2Pi},PlotStyle->{AbsoluteThickness[
5、2],Red}];Quxian2=Plot[g[x],{x,0,2Pi},PlotStyle->{AbsoluteThickness[2],Blue}];Quyu=Plot[{f[x],g[x]},{x,0,2Pi},Filling->{1->{2}},AspectRatio->.8,PlotRange->All,Ticks->{{0,Pi/2,Pi,3Pi/2,2Pi},{-1,0,1}},FillingStyle->Yellow];Show[Quyu,Quxian1,Quxian2]30JUN2010f[x_]:=Sin
6、[Pix]Exp[-(x-1)^2];g[x_]:=4Cos[x-2];Quxian1=Plot[f[x],{x,0,4},PlotStyle->{AbsoluteThickness[2],Red}];Quxian2=Plot[g[x],{x,0,4},PlotStyle->{AbsoluteThickness[2],Blue}];Quyu=Plot[{f[x],g[x]},{x,0.6,3.6},Filling->{1->{2}},AspectRatio->1,PlotRange->All,Ticks->{{0,1,2,3
7、,4},{-1,0,1,2,3,4}},FillingStyle->LightRed,AxesOrigin->{0,0}];Show[Quyu,Quxian1,Quxian2]30JUN2010f[x_]:=x;g[x_]:=x^3;Quxian1=Plot[f[x],{x,-1.3,1.3},PlotStyle->{AbsoluteThickness[2],Red}];Quxian2=Plot[g[x],{x,-1.3,1.3},PlotStyle->{AbsoluteThickness[2],Red}];Quyu=Plo
8、t[{f[x],g[x]},{x,-1,1},Filling->{1->{2}},AspectRatio->1.4,PlotRange->All,Ticks->{{-1,0,1},{-1,0,1}},FillingStyle->Green];Show[Quyu,Quxian1,Quxian
