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[2017b] how to solve "Error using matlab.gra​phics.char​t.primitiv​e.Line/hor​zcat Cannot convert double value -5.21739 to a handle".

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Amra Rajuli
Amra Rajuli 2018-4-15
评论： Amra Rajuli 2018-4-16
[X,Y,Z] = peaks;
figure
L3 = contour(X,Y,Z,10);
hold on
q = 0;
L1= plot (xlim,[1 1]*q,':b','LineWidth',2);
a=0
L2= plot ([1 1]*a,ylim,':k','LineWidth',2);
legend([L2 L3],{'First Time Arrival','Maximum wave peak'})
Hi..I want to show legend of particular plotted items only. But then I got error message as follow "Error using matlab.graphics.chart.primitive.Line/horzcat Cannot convert double value -5.21739 to a handle". How to solve it? Thank you

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采纳的回答

Jan
Jan 2018-4-15
Replace
L3 = contour(X,Y,Z,10);
by
[~, L3] = contour(X,Y,Z,10);
The first output of contour is the contour matrix, not the wanted handle.

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