我在弄毕业设计要用到高斯扩散模型,在其他论文中看到能够用matlab画图,但是完全不会用,代码如下
Q=1.71;
u=2;
d=1;
Z0=0.6;
[x,y]=meshgrid(50:d:1000,-100:d:100);
by0=0.08*x*(1+0.0001*x)^(-1/2);
bz0=0.06*x*(1+0.0015*x)^(-1/2);
by=by0*(1+0.38*Z);
fz=(2.53-0.13*log(x))*(0.55+0.042*log(x))^(-1))*Z0^(0.35-0.03*log(x));
bz=bz0*fz;
Tempy1=-y*y/by/by/2;
Tempy2=2.718282^(tempy1);
C=Q/pi/u*((by*bz)^(-1))*tempy2;
Cs=65;
Contour(x,y,c,Cs);
Shading interp;
Colorbar;
Grid;
Xlabel;
Ylabel;
Tetle
这些输到命令框中提示Undefined function 'meshgrid' for input arguments of type 'double'.求助