MATLAB: How to change the color of plotting lines

MATLAB

Hi,
I have multiple lines to plot but by defualt they are different color, how to change the color to uniform color?
I tried to do this but failed (see below)
QQ截图20190618140313.png
QQ截图20190618140358.png

Best Answer

The line of code that apparently does the plotting is cut off in your image.
Either specify the color during plotting
plot(x,y,'color', 'b');
or set the color later using the output handles
h = plot(x,y);
set(h, 'Color', 'b')