docs update

.travis.yml

@@ -22,6 +22,7 @@ script:
   - coverage run -p examples/demo_aca_tsp.py
   - coverage run -p examples/demo_ia.py
   - coverage run -p examples/demo_asfs.py
+  - coverage run -p examples/demo_pso_ani.py
 
 # Push the results back to codecov
 after_success:

README.md

@@ -227,7 +227,7 @@ plt.show()
 ![PSO_TPS](https://github.com/guofei9987/pictures_for_blog/blob/master/heuristic_algorithm/pso.png?raw=true)
 
 
-![pso_ani](https://github.com/guofei9987/pictures_for_blog/blob/master/heuristic_algorithm/pso.gif?raw=true)
+![pso_ani](https://github.com/guofei9987/pictures_for_blog/blob/master/heuristic_algorithm/pso.gif?raw=true)  
 ↑**see [examples/demo_pso.py](https://github.com/guofei9987/scikit-opt/blob/master/examples/demo_pso_ani.py)**
 
 ### 2.2 PSO without constraint

docs/en/README.md

@@ -207,7 +207,7 @@ plt.show()
 ![PSO_TPS](https://github.com/guofei9987/pictures_for_blog/blob/master/heuristic_algorithm/pso.png?raw=true)
 
 
-![pso_ani](https://github.com/guofei9987/pictures_for_blog/blob/master/heuristic_algorithm/pso.gif?raw=true)
+![pso_ani](https://github.com/guofei9987/pictures_for_blog/blob/master/heuristic_algorithm/pso.gif?raw=true)  
 ↑**see [examples/demo_pso.py](https://github.com/guofei9987/scikit-opt/blob/master/examples/demo_pso_ani.py)**
 
 ### 2.2 PSO without constraint

docs/zh/README.md

@@ -193,7 +193,7 @@ plt.show()
 
 ![PSO_TPS](https://github.com/guofei9987/pictures_for_blog/blob/master/heuristic_algorithm/pso.png?raw=true)
 
-![pso_ani](https://github.com/guofei9987/pictures_for_blog/blob/master/heuristic_algorithm/pso.gif?raw=true)
+![pso_ani](https://github.com/guofei9987/pictures_for_blog/blob/master/heuristic_algorithm/pso.gif?raw=true)  
 ↑**see [examples/demo_pso.py](https://github.com/guofei9987/scikit-opt/blob/master/examples/demo_pso_ani.py)**
 
 

examples/demo_pso_ani.py

@@ -9,7 +9,7 @@ def demo_func(x):
     return x1 ** 2 + (x2 - 0.05) ** 2
 
 
-pso = PSO(func=demo_func, dim=2, pop=20, max_iter=150, lb=[-1, -1], ub=[1, 1])
+pso = PSO(func=demo_func, dim=2, pop=20, max_iter=40, lb=[-1, -1], ub=[1, 1])
 pso.record_mode = True
 pso.run()
 print('best_x is ', pso.gbest_x, 'best_y is', pso.gbest_y)
@@ -22,7 +22,7 @@ def demo_func(x):
 ax.set_title('title', loc='center')
 line = ax.plot([], [], 'b.')
 
-X_grid, Y_grid = np.meshgrid(np.linspace(-1.0, 1.0, 20), np.linspace(-1.0, 1.0, 20))
+X_grid, Y_grid = np.meshgrid(np.linspace(-1.0, 1.0, 40), np.linspace(-1.0, 1.0, 40))
 Z_grid = demo_func((X_grid, Y_grid))
 ax.contour(X_grid, Y_grid, Z_grid, 20)
 
@@ -43,6 +43,5 @@ def update_scatter(frame):
 
 ani = FuncAnimation(fig, update_scatter, blit=True, interval=25, frames=300)
 # plt.show()
-# ani.save('test.mp4',fps=25)
 
-ani.save('pso.gif',writer='pillow')
+ani.save('pso.gif', writer='pillow')