Conversion to double from struct is not possible.

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Yandong Ji
Yandong Ji 2017-10-22
评论： Massimo Lucia 2020-5-5
{
x=0:0.01:2*pi;
y=sin(x);
figure;
plot(x,y,'r');
xlim([0 2*pi]);
ax=gca;
set(ax,'xtick',[0 pi 2*pi],'xticklabel',{'0','1','2'});
set(ax,'ytick',-1:.5:1);
}
it says error using 'set', wondering what's the mistake
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Cedric
Cedric 2017-10-22
编辑：Cedric 2017-10-22
What happens if you evaluate
>> clear all
and then copy-paste exactly this code in the command window? If it works you may have shadowed something earlier; if it doesn't work, which version of MATLAB are you using?

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回答（4 个）

Image Analyst
Image Analyst 2017-10-22
I don't think you can enclose a block of 8 lines in braces like you did. With them in there I get a different error message than you did. If I take them out, I get no error message at all.
Also, you can use xticks() and yticks() and xticklabels() and yticklabels() instead of set() if you have R2016b version of MATLAB or later.
  1 个评论
Cedric
Cedric 2017-10-22
编辑：Cedric 2017-10-22
I apologize ImageAnalyst, I edited out the {} because I thought that the OP had used them for formatting code in the forum. I will put them back so people understand.

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Yandong Ji
Yandong Ji 2017-10-22
Thanka, my MATLAB is 2015b. I found it can only read ax.XTick or set(ax,'XTick',[0 pi 2*pi]) instead of ax.xtick, just the problem of caps.
Yandong Ji
Yandong Ji 2017-10-22
you are both right. Some hours ago I met all the problems you mentioned. Besides, just now I used xtick and it showed 'No public property xtick exists for class matlab.graphics.axis.Axes.'.
Massimo Lucia
Massimo Lucia 2020-5-5
Can you please help me with this error message?
Conversion to double from struct is not possible.
Error in STABLE (line 79)
qs(i,:) = qSol;
Find attached the STABLE.m

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