Line in my graph is not connected in a simple graph, how can I make the plot and line exist in the graph?

thii is my work

x=[0 1 3 5 7 9 23 27 31]

y=[2.3 2.22 1.92 1.6 1.52 1.07 0.73 0.5 0.45];

plot(x,y,'k*')

[G A]

plot(x,y,'k-*')
% or
plot(x,y,'-k*')

doc plot

Answer 1

[Sulaymon Eshkabilov]

x=[0 1 3 5 7 9 23 27 31]
y=[2.3 2.22 1.92 1.6 1.52 1.07 0.73 0.5 0.45];
plot(x,y,'k*-', 'linewidth', 1.5), grid on, shg