6 October 2025 6:06:16.314 PM fd1d_predator_prey(): Fortran90 version A one dimensional finite difference algorithm for a predator-prey system. Enter parameter alpha: Enter parameter beta: Enter parameter gamma: Enter parameter delta: Enter a in [a,b]: Enter b in [a,b]: Enter space-step h: Enter maximum time t: Enter time-step Delta t: Enter 0 for direct Gauss solution, 1 for iterative Jacobi: Created graphics data file "uv_data.txt". Created command file "uv_commands.txt". FD1D_PREDATOR_PREY: Normal end of execution. 6 October 2025 6:06:16.745 PM