在Matlab中画流函数

uperrua

Matlab算例：
clear all;
clc;
( h$ \0 H8 @2 U6 V* p( |) T%%
7 r5 ^5 J% h# o, `) ve = 2; g = 1;
& ~+ H. {  }  M6 J; k" m6 f0 D[x,y] = meshgrid(0:20,0:15);  % This makes regular grid
) L4 H/ |, g3 v$ Q+ N8 Su = e*x-g*y;                  % Linear velocity field
  _0 Z/ G3 z; c9 Kv = g*x-e*y;
[phi,psi] = flowfun(u,v);  % Here comes the potential and streamfun.
$ Y" F; V3 U' S  H! c%
9 I  g, @9 X( S0 R5 U( W  C3 F  Hcontour(phi,20,'--r','Displayname','phi')   % Contours of potential
: ~; Y6 z0 g9 X, ~6 c5 ^& h$ J5 hhold on
/ l" R6 Q: t/ a" F0 Y* J, ?( t) Vcontour(psi,20,'-g','Displayname','psi')    % Contours of streamfunction
! d& q) R% o5 P$ H4 A% v) B& ^quiver(x,y,u,v,'Displayname','velocity')         % Now superimpose the velocity field
legend show;

yin123

在Matlab中画流函数