< Code >
x = [0:0.0001:0.001 0.001:0.001:1];
y = log10(x);
hFig = figure(1);
plot(x,y,'b-','linewidth',2); grid on; xlabel('x'); ylabel('y');
pos = [(i/50.0) 0.01 (1.0/50.0) 0.98];
set(hFig,'Position',[300 400 800 300])