MATLAB: I need a help

plot

Hi everyone, I have a problem with my figure. My code:
somun=[0 0.2 0.5 0.8 1 1.5 2 3 4 5 6 7 8 9 10]';
Buk_coffecient=[...
7012.26  775.968  35.8488  3.55954
7296.98  830.493  37.1051  3.7077
7506.14  838.193  38.024  3.81528
7623.1  852.734  38.5353  3.87488
7675.48  859.207  38.7631  3.90136
7762.34  869.922  39.1389  3.94507
7818.47  875.013  39.3804  3.97329
7894.38  881.292  39.7055  4.01173
7948.59  885.601  39.9375  4.03951
7991.29  888.903  40.1204  4.0616
8026.31  891.562  40.2706  4.07985
8055.69  893.76  40.3967  4.09522
8080.71  895.624  40.5043  4.10836
8102.29  897.217  40.597  4.11972
8121.07  898.596  40.6779  4.12963];
figure
   hold on
  plot(somun,Buk_coffecient(:,1),'-og','LineWidth',1.5);
  plot(somun,Buk_coffecient(:,2),'-^r','LineWidth',1.5);
  plot(somun,Buk_coffecient(:,3),'-*c','LineWidth',1.5);
  plot(somun,Buk_coffecient(:,4),'-','LineWidth',1.5);
  set(gca,...
    'Units','normalized',...
    'Position',[0.15 0.2 .7 .75],...
    'FontUnits','points',... 
    'FontWeight','bold',...
    'FontSize',12, ... 
    'FontName','Times')
  ylabel('Buckling coefficient','Fontsize',12, 'FontName','times')
  xlabel('n ','Fontsize',12, 'FontName','times')
%    grid on
  legend('b/h=10','b/h=20','b/h=50','b/h=100','Fontsize',5)
%   title('xet diem giua tam, n = 1, a/b = 1')
   box
Then I have a figure as follow
So as you can see the 2 bottom lines are very strict to see. I want to solve this like this figure
That means I can see clearly all lines in the figure. Thank you!

Best Answer

You can set the y-scale to logarithmic with this
set(gca,'YScale','log')
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