Why does my line plot in MATLAB show a color gradient of black, green, and red?

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MathWorks Support Team
编辑： MathWorks Support Team 2016-4-15
As seen in the attached image, I am trying to create a line plot with a particular color but it is displayed with a color gradient, predominantly of black, green, and red. This happens even if the default Color property is overridden. How can this be fixed?

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MathWorks Support Team
This behavior is a known issue with certain Intel drivers. It has been addressed in the recent 4380 driver. There are two workarounds:
1) Use the OpenGL hardware basic mode
opengl hardwarebasic
2) Disable the align vertex centers property of the line
h=line(1:10);
h.AlignVertexCenters='off';

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