作业帮Error:File:D:\MATLAB\work\Untitled2.m Line:9 Column:7 Missing variable or function.clear all,close all;x=-7.5:0.5:7.5;y=x;[X,Y]=meshgrid(x,y);R=sqrt(X.^2+Y.^2)+eps;Z=sin(R)./R;mesh (X,Y,Z);title ('阔边帽面网线图')figure（2）surf （X,Y,Z);ti
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![Error:File:D:\MATLAB\work\Untitled2.m Line:9 Column:7 Missing variable or function.clear all,close all;x=-7.5:0.5:7.5;y=x;[X,Y]=meshgrid(x,y);R=sqrt(X.^2+Y.^2)+eps;Z=sin(R)./R;mesh (X,Y,Z);title ('阔边帽面网线图')figure（2）surf （X,Y,Z);ti](/uploads/image/z/12983737-49-7.jpg?t=Error%3AFile%3AD%3A%5CMATLAB%5Cwork%5CUntitled2.m+Line%3A9+Column%3A7+Missing+variable+or+function.clear+all%2Cclose+all%3Bx%3D-7.5%3A0.5%3A7.5%3By%3Dx%3B%5BX%2CY%5D%3Dmeshgrid%28x%2Cy%29%3BR%3Dsqrt%28X.%5E2%2BY.%5E2%29%2Beps%3BZ%3Dsin%28R%29.%2FR%3Bmesh+%28X%2CY%2CZ%29%3Btitle+%28%27%E9%98%94%E8%BE%B9%E5%B8%BD%E9%9D%A2%E7%BD%91%E7%BA%BF%E5%9B%BE%27%29figure%EF%BC%882%EF%BC%89surf+%EF%BC%88X%2CY%2CZ%29%3Bti)
Error:File:D:\MATLAB\work\Untitled2.m Line:9 Column:7 Missing variable or function.clear all,close all;x=-7.5:0.5:7.5;y=x;[X,Y]=meshgrid(x,y);R=sqrt(X.^2+Y.^2)+eps;Z=sin(R)./R;mesh (X,Y,Z);title ('阔边帽面网线图')figure（2）surf （X,Y,Z);ti
Error:File:D:\MATLAB\work\Untitled2.m Line:9 Column:7 Missing variable or function.
clear all,close all;
x=-7.5:0.5:7.5;
y=x;
[X,Y]=meshgrid(x,y);
R=sqrt(X.^2+Y.^2)+eps;
Z=sin(R)./R;
mesh (X,Y,Z);
title ('阔边帽面网线图')
figure（2）
surf （X,Y,Z);
title ('阔边帽面网面图')
Error:File:D:\MATLAB\work\Untitled2.m Line:9 Column:7 Missing variable or function.clear all,close all;x=-7.5:0.5:7.5;y=x;[X,Y]=meshgrid(x,y);R=sqrt(X.^2+Y.^2)+eps;Z=sin(R)./R;mesh (X,Y,Z);title ('阔边帽面网线图')figure（2）surf （X,Y,Z);ti
上面语句中的
figure(2)
surf(X,Y,Z);
的括号应该是英文中的括号,你的这是中文的；