How to define LineSpec in one variable?

2020 12 7
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更新时间：2020 12 7
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Hello everyone,
I would like to specify the line properties in one variable. For example, the code
plot([1,2],[1,2],'Color','black','LineWidth',2);
should be replaced by a code of the form (which produces an error):
LineSpec = {'Color','black','LineWidth',2};
plot([1,2],[1,2],LineSpec);
Thanks for any help!
plot([1,2],[1,2],'Color','black','LineWidth',2);

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Walter Roberson
Walter Roberson 2020-12-7

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LineSpec = {'Color','black','LineWidth',2};
plot([1,2],[1,2],LineSpec{:});

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