08-Jan-2022 10:00:16 spiral_pde_test(): spiral_pde() solves a reaction-diffusion partial differential equation with spiral solution. discretization values: nx = 401 xmin = 0 xmax = 80 dx = 0.2 ny = 401 ymin = 0 ymax = 80 dy = 0.2 nt = 401 tmin = 0 tmax = 5 dt = 0.2 parameter values: alpha = 0.25 beta = 0.001 delta = 1e-05 epsilon = 0.002 Graphics saved as "spiral_0001.png" Graphics saved as "spiral_0501.png" Graphics saved as "spiral_1001.png" Graphics saved as "spiral_1501.png" Graphics saved as "spiral_2001.png" Graphics saved as "spiral_2501.png" Graphics saved as "spiral_3001.png" Graphics saved as "spiral_3501.png" Graphics saved as "spiral_4001.png" Graphics saved as "spiral_4501.png" Graphics saved as "spiral_5001.png" spiral_pde_test(): Normal end of execution. 08-Jan-2022 10:02:31