how to get plot with the points increasing with changing color (as points increase their color change from grey to black)

Hello everyone!

Please i need your help. I wanted to have a figure with the values changing color say from grey to black as the values or points in Bs increases.

I tried with below code but it did not workout, it have many colors which is had to analyze.

pleasse help..

thanks

e=0.25;
sigma=[0.1 0.3 0.5 0.7 0.9];
Bs=[Bp01 Bp03 Bp05 Bp07 Bp1];
plot(sigma,Bs,'-s','linewidth',2.5)
set(gca, 'YScale', 'log')

Answer 1

[KSSV]

X = repmat((1:5)',1,5) ; 
Y = rand(5,5) ;
plot(X,Y,'.-')