在Matlab中画流函数

uperrua

Matlab算例：
clear all;
clc;
8 l7 j; H1 [0 I( g%%
e = 2; g = 1;
[x,y] = meshgrid(0:20,0:15);  % This makes regular grid
( D6 q4 \" Q* |& n4 M, k& `# bu = e*x-g*y;                  % Linear velocity field
# a% j$ [! ]. l8 N+ Vv = g*x-e*y;
[phi,psi] = flowfun(u,v);  % Here comes the potential and streamfun.
- h, @" l3 }6 L  ]2 m' x0 A6 y%
2 ]) q. Q/ o+ g) `; Dcontour(phi,20,'--r','Displayname','phi')   % Contours of potential
8 O5 F" f; ^$ A; {$ Y. Ghold on
/ x+ T8 u. d) Y% Qcontour(psi,20,'-g','Displayname','psi')    % Contours of streamfunction
quiver(x,y,u,v,'Displayname','velocity')         % Now superimpose the velocity field
legend show;
' u& g1 B  x  ^0 L# [2 y* z9 J$ ]

yin123

在Matlab中画流函数