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How do I use a string for the argument in legend()?

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Anthony Mittas
Anthony Mittas 2015-7-22
回答： Star Strider 2015-7-22
I have created this string: legend_string = ['g-Switch High', 'g-Switch Low']; I would like to use it like this: legend(legend_string) to plot 2 legend lines (blue line - g-Switch High, red line - g-Switch Low). What I get is one legend line with 'g-Switch High', 'g-Switch Low' as the display.

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Star Strider
Star Strider 2015-7-22
The square brackets [] concatenate character arrays. Making a cell array out of them will display them as you want them:
legend_string = {'g-Switch High', 'g-Switch Low'};

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