$c=0.2$ $x=0.4$ $h=0.1$ , $k=0.001$ , $r=4×{10}^{-6}$ , $n=10$ , $m=1000$ , Number of Grid Points = 10,000 $t=0.000$ 0.95105653 0.95105653 0.95105653 0.95105653 0.000000% 0.000000% 0.000000% $t=0.001$ 0.95105634 0.95105634 0.95105634 0.95105634 0.000000% 0.000000% 0.000000% $t=1.000$ 0.76942088 0.77085955 0.77086099 0.77086243 0.186980% 0.187167% 0.187354% $h=0.01$ , $k=0.05$ , $r=1$ , $n=100$ , $m=20$ , Number of Grid Points = 2000 $t=0.000$ 0.95105653 0.95105653 0.95105653 0.95105653 0.000000% 0.000000% 0.000000% $t=0.050$ 0.95058724 0.95058720 0.95058726 0.95058753 0.000004% 0.000002% 0.000031% $t=1.000$ 0.76942088 0.76946569 0.76946684 0.76947190 0.005823% 0.005973% 0.006630% $h=0.01$ , $k=0.001$ , $r=4×{10}^{-4}$ , $n=100$ , $m=1000$ , Number of Grid Points = 100,000 $t=0.000$ 0.95105653 0.95105653 0.95105653 0.95105653 0.000000% 0.000000% 0.000000% $t=0.001$ 0.95105634 0.95105634 0.95105634 0.95105634 0.000000% 0.000000% 0.000000% $t=1.000$ 0.76942088 0.76943170 0.76943170 0.76943172 0.001405% 0.001406% 0.001408%