Legend error (does not display 'line' in legend box)

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If I simply plot using the below code
>> figure; plot(x,sin(x))
>> legend('on')
>> hold on
>> scatter(x, cos(x))
The figure looks like the below figure. The legend shows no 'line' for the first graph. It shows only circle.
How can I fix this problem?

Accepted Answer

Star Strider
Star Strider on 8 Nov 2019
seems to be a solution for that problem.
See: Use Software OpenGL for Future Sessions and related topics for details.
Adam Danz
Adam Danz on 29 Sep 2020
My Windows 10 system indicates that my currently installed Radeon 540x Series is the best driver for the machine. I didn't have this problem on my 8-year old laptop. 😕
Your solution to use opengl software is a good one but it introduces other problems like jagged edges for some lines. The need to widen line widths is annoyoing but worth mentioning so others are aware of that workaround.

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