使用matlab编程，怎样画出心形线和马鞍面？
程序代码和图形如下：\x0d\x0a%1心形线\x0d\x0aclc;clear;close all;\x0d\x0ai=-pi:0.1:pi;\x0d\x0ax=2.*(sin(i)-sin(2*i)./2);\x0d\x0ay=2.*(cos(i)-cos(i).^2);\x0d\x0afigure(1);\x0d\x0aplot(x,y);grid on;box on;\x0d\x0aaxis([-3 3 -4.2 1]);\x0d\x0atitle('心形线');xlabel('x');ylabel('y');\x0d\x0a\x0d\x0a%2马鞍面\x0d\x0aclc;clear;\x0d\x0aa=10;\x0d\x0ab=10;\x0d\x0ax=-1.5:0.1:1.5;\x0d\x0ay=-1.5:0.1:1.5;\x0d\x0a[X,Y]=meshgrid(x,y);\x0d\x0aZ=X.^2/a-Y.^2/b;\x0d\x0afigure(2);\x0d\x0asubplot(221);\x0d\x0asurf (X,Y,Z);title('马鞍面'); xlabel('x');ylabel('y');\x0d\x0asubplot(222);\x0d\x0asurf (X,Y,Z);title('马鞍面'); xlabel('x');ylabel('y');\x0d\x0aview(20,30);\x0d\x0asubplot(223);\x0d\x0asurf (X,Y,Z);title('马鞍面'); xlabel('x');ylabel('y');\x0d\x0aview(50,20);\x0d\x0asubplot(224);\x0d\x0asurf (X,Y,Z);title('马鞍面'); xlabel('x');ylabel('y');\x0d\x0aview(60,10);绛旓細2銆浣跨敤sphere锛堬級鍑芥暟鐢熸垚鍗曚綅鐞冮潰鏂圭▼銆恱锛寉锛寊銆戞暟鎹 3銆鍒╃敤骞崇Щ鍏紡锛孹=x+a;Y=y+b;Z=z+c銆傝繖閲岋紝銆怷锛孻锛孼銆戞暟鎹嵆涓哄亸蹇冪悆闈㈡柟绋嬫暟鎹 4銆佷娇鐢╯urf锛堬級鍑芥暟缁樺埗鍋忓績鐞冮潰鐨勬洸闈㈠浘 5銆佷娇鐢╤old on鍛戒护锛屽皢鍥涗釜鍗曚綅鐞冮潰缁樺埗鍦ㄥ悓涓鍥剧獥涓 6銆佹寜涓婅堪鏂规硶缂栫▼鍚庤繍琛屽彲浠ュ緱鍒板涓嬪浘鍍忋傚浘1涓...
绛旓細绋嬪簭浠ｇ爜鍜屽浘褰㈠涓嬶細\x0d\x0a%1蹇冨舰绾縗x0d\x0aclc;clear;close all;\x0d\x0ai=-pi:0.1:pi;\x0d\x0ax=2.*(sin(i)-sin(2*i)./2);\x0d\x0ay=2.*(cos(i)-cos(i).^2);\x0d\x0afigure(1);\x0d\x0aplot(x,y);grid on;box on;\x0d\x0aaxis([-3 3 ...
绛旓細绋嬪簭浠ｇ爜鍜屽浘褰㈠涓嬶細1蹇冨舰绾 clc;clear;close all;i=-pi:0.1:pi;x=2.*(sin(i)-sin(2*i)./2);y=2.*(cos(i)-cos(i).^2);figure(1);plot(x,y);grid on;box on;axis([-3 3 -4.2 1]);title('蹇冨舰绾');xlabel('x');ylabel('y');2椹瀺闈 clc;clear;a=10;b=10;...
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