Area in a normalpdf

Dear Altruist,

I want to make such figure in MATLAB. My code is attached here. I want to shade the area like the red area in figure.

x1 = [-4:.1:4];

y1 = normpdf(x1,0,1);

plot(x1,y1)

Answer 1

[Paul]

x1 = [-4:.1:4];
y1 = normpdf(x1,0,1); 
x = [-4:0.1:-1.5];
plot(x1,y1)
hold on
area(x,normpdf(x,0,1))

See area for options for customization

[Shariful Islam]

Thanks a lot!