加粗的话修改LineWidth的值。
例程序：
[X,Y] = meshgrid(-2:.2:2,-2:.2:3);
Z = X.*exp(-X.^2-Y.^2);
[C,h] = contour(X,Y,Z,'LineWidth',5);
满意请采纳，有问题请追问，谢谢！
例程序：
[X,Y] = meshgrid(-2:.2:2,-2:.2:3);
Z = X.*exp(-X.^2-Y.^2);
[C,h] = contour(X,Y,Z,'LineWidth',5);
满意请采纳，有问题请追问，谢谢！
温馨提示：内容为网友见解，仅供参考
第1个回答 推荐于2018-05-09
>> x=-1:0.01:1;
>> y=-1:0.02:1;
>> [xx,yy]=meshgrid(x,y);
>> zz=xx.^2+yy.^2;
>> contour(xx,yy,zz,20)
>> figure
%left,right,top,bottom为去掉的部分
>> left=-0.4;
>> right=0.6;
>> top=-0.1;
>> bottom=-0.5;
>> zz(find((xx>left).*(xx<right).*(yy>bottom).*(yy<top)))=NaN;
>> contour(xx,yy,zz,20)本回答被网友采纳
>> y=-1:0.02:1;
>> [xx,yy]=meshgrid(x,y);
>> zz=xx.^2+yy.^2;
>> contour(xx,yy,zz,20)
>> figure
%left,right,top,bottom为去掉的部分
>> left=-0.4;
>> right=0.6;
>> top=-0.1;
>> bottom=-0.5;
>> zz(find((xx>left).*(xx<right).*(yy>bottom).*(yy<top)))=NaN;
>> contour(xx,yy,zz,20)本回答被网友采纳
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