The margin control in plotting

I am using the Matlab code to plot PDF figures, but not know how to control the margin outside the axes. For example, I need a figure like this

However, not enough space is outside of the axes,

The axial-labels are not fully shown in the figure.

Could anyone kindly help me solve this problem?

Answer 1

[Muhammad Usman Saleem]

if your x and y labels are going outside the margin, then try to change their font size small

try this

xlabel('t1/Tn','FontSize',8);
ylabel('Fdlf1','FontSize',8);