Is it possible to plot a cell array on y axis (imagesc function)

Question

Shannon McNee 2016-8-2

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https://ww2.mathworks.cn/matlabcentral/answers/298080-is-it-possible-to-plot-a-cell-array-on-y-axis-imagesc-function

评论： Shannon McNee 2016-8-2

Hello,

I am plotting a 2D logical vector using imagesc and am trying to specify my y-axis. The information I want to use as my y-axis (names of Action Units) is stored in a 1x42 cell array. When I try to use this information as my y axis I receive the error: Error using set, Conversion to double from cell is not possible.

Is there anyway I can use this information as my y-axis?

Thanks in advance, Shannon

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Azzi Abdelmalek 2016-8-2

Where is your code ?

Shannon McNee 2016-8-2

编辑：Azzi Abdelmalek 2016-8-2

colormap(gray(256))
>> imagesc(happy)
>> hold on 
>> set(gca, 'XTick', x)
>> hold on 
>> set(gca, 'YTick',{'AU1','AU1-2','AU2','AU2L','AU4','AU5','AU6','AU6L','AU6R','AU7L','AU7R','AU9','AU10Open','AU10LOpen','AU10ROpen','AU11L','AU11R','AU12','AU25-12','AU12L','AU12R','AU13','AU14','AU14L','AU14R','AU15','AU16Open','AU17','AU20','AU20L','AU20R','AU22','AU23','AU24','AU25','AU26','AU27i','AU38','AU39','AU43','AU7','AU12-6'})

This is what I've put in. 'happy' is my 2D logical vector (42x1). I'm extremely new to MATLAB so unsure about what I'm doing wrong.

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