z=1:2:100;
y=log(z);
h=figure(1);
h.Color=[1 1 1];
subplot(1,5,1)
p1=plot(y,z,'k-o');hold on;
text(-0.5,-5,'0.125');
ax1 = gca;box off;
ax1.Position=[0.1 0.2 0.1 0.5];
ax1.XTick=[];ax1.YTick=[];
subplot(1,5,2)
p2=plot(y.^0.7,z,'k-o');
hold on;
text(-0.5,-5,'0.250');
ax2 = gca;box off;
ax2.Position=[0.275 0.17 0.1 0.5];
ax2.XTick=[];ax2.YTick=[];
subplot(1,5,3)
p3=plot(-2+y.^1.7,z,'k-o');
hold on;
text(-0.5,-5,'0.375');
ax3 = gca;box off;
ax3.Position=[0.45 0.15 0.1 0.5];
ax3.XTick=[];ax3.YTick=[];
ax3.YAxisLocation='Origin';
subplot(1,5,4)
p4=plot(-1+y.^0.6,z,'k-o');
hold on;
text(-0.5,-5,'0.500');
ax4 = gca;box off;
ax4.Position=[0.65 0.1 0.1 0.5];
ax4.XTick=[];ax4.YTick=[];ax4.YAxisLocation='Origin';
subplot(1,5,5)
p5=plot(y(1:5),z(1:5),'w');
ax5 = gca;box off;
ax5.Position=[0.74 0.85 0.1 0.1];
xlabel('m/sec');ylabel('cm');