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Index in position 1 exceeds array bounds (must not exceed 1).

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Yousif Hamzah
Yousif Hamzah 2019-9-8
评论： Walter Roberson 2019-9-9
Hi Every one I am trying to run the follow grdeint but it give me Index in position 1 exceeds array bounds (must not exceed 1). please can you help me to find the problem and how i can fix it.
>> [x,y]=meshgrid(-2*pi:0.1:2*pi,-2*pi:0.1:2*pi);
>> z=acos(cos(sqrt(x^2 +x^2)))+acos(sin(x));
>> mesh(x,y); axis image;
>> options={,'interpreter','latex','fontSize',14};% Use LATEX for labeling
>> options={,'interpreter','latex','fontSize',14};% Use LATEX for labeling
>> title('Asecent',options{:});
>> hold on
>> p=[-1.5,-6];
>> plot(p(1,1),p(1,2),'or','MarkerSize',10);
>> for i=1:71
x=p(1,size(p,2));
y=p(2,size(p,2));
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the cyclist
the cyclist 2019-9-9
You do not know what code to put. That is OK.
But what are you trying to do? What are you trying to add to your figure? We can help with the code, but not if we don't know what you are trying to DO.
Walter Roberson
Walter Roberson 2019-9-9
Your for i=1:71 is not suggestive to us, since your x and y and z are 126 x 126.
Are you trying to loop through all (x,y) pairs?
xy = [x(:), y(:)];
for i = 1 : size(xy,1)
thisx = xy(i,1); thisy = xy(i,2);
end

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