specifying the horizontal linetype '_' produces an error.

Question

Bruce Wayne 2020-9-21

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/597442-specifying-the-horizontal-linetype-_-produces-an-error

评论： Adam Danz 2020-9-30

采纳的回答： Steven Lord

scatter3(x,y,z,'_')

produces:

Error using scatter3 (line 45)

Invalid color or line sytle.

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Answer 1

Steven Lord 2020-9-21

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https://ww2.mathworks.cn/matlabcentral/answers/597442-specifying-the-horizontal-linetype-_-produces-an-error#answer_498094

The horizontal and vertical line markers for plots were introduced in release R2020b. If you're using an older release you will not be able to use them.

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madhan ravi 2020-9-21

If you want to use 2020b version instantaneously, just use MATLAB Online.

Adam Danz 2020-9-30

Steven Lord's answer inspired me to write a Community Highlights post about these two new marker symbols.

https://www.mathworks.com/matlabcentral/discussions/highlights/133207-new-in-r2020b-two-new-marker-symbols

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Answer 2

Star Strider 2020-9-21

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https://ww2.mathworks.cn/matlabcentral/answers/597442-specifying-the-horizontal-linetype-_-produces-an-error#answer_498070

在 MATLAB Online 中打开

Function arguments in MATLAB are positional, so it is necessary to provide values for the interventing arguments to use later arguments.

This plots red horizontal lines at the appropriate places:

scatter3(x,y,z,[],'r','_')

.

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Bruce Wayne 2020-9-21

Positioning does not change the error. Something is wrong with the markertype options within my MATLAB sowftware. The horizontal and vertical markertype options are producing errors.

For example, the following commands work:

scatter3(x,y,z,'+')

scatter3(x,y,z,'*')

scatter3(x,y,z,'x')

scatter3(x,y,z,'.')

however, the following two produce an error:

scatter3(x,y,z,'_')

scatter3(x,y,z,'|')