MATLAB: Problem using LineStyle

linestyle color crash

When I use LineStyle to only change the shape of the line, it works fine. When I use it to change the color, it gives me this error:
??? Error using ==> line Bad property value found. Object Name : line Property Name : 'LineStyle'.
For example,
line(….'LineStyle', ':') works fine, but line(….'LineStyle', 'k:') will cause a crash
Can someone explain why?

Best Answer

I am writing this function:
function finalPositions = networkEdit(weights, names, nodeStyle, linkStyle)
linkStyle is one string that determines the shape and color of all lines in the subsequent plot. So if linkStyle = 'k:', it should make all lines black and dotted. If I want black dotted lines, do I have to take linkStyle and break it up into 'k' and ':' or is there a way to use the string 'k:' without breaking it up?
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