how to plot a 10*10 grid map and how to number the grid cells? (sample pic is attached here)

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dinesh tce 2014-9-15

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评论： ANDREA DI MARTINO 2021-11-4

grid rep.jpg

Guys, I am in learning phase of matlab. I don't know how to plot this type of grid? i knew plotting simple grids, but this one made me mad. Is it possible to make this kind of one? I attached the model of the grid. thanks guys

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Answer 1

Youssef Khmou 2014-9-18

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I have a model that i wrote already, try to compare it with Joseph's method.

   [X,Y]=meshgrid(1:11);
figure; hold on;
plot(X,Y,'k');
plot(Y,X,'k');axis off
I=(rand(11));
surface(I);
h=linspace(0.5,1,64);
h=[h',h',h'];
set(gcf,'Colormap',h);
N=100:-1:1;q=1;
x=linspace(1.5,10.5,10);
y=linspace(1.5,10.5,10);
for n=1:10
    for p=1:10
        text(y(n)-.5,x(p),num2str(N(q)),'FontWeight','bold');
        q=q+1;
    end
end

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dinesh tce 2014-9-21

thanks youssef,,,your coding is simple and i can understand easily...i have one question..if i like to make some grid in black& white color what i have to do?? i tried with colormap command but it gives entire figure as black

Youssef Khmou 2014-9-21

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try :

K=randint(10); % colormap gray

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Answer 2

Michael Haderlein 2014-9-15

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I don't know what you mean with "plot this grid". Maybe something like this?

 grid=reshape(0:99,10,10)';
 figure, surf(grid)

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dinesh tce 2014-9-18

grid rep.jpg

thanks for your reply.. i like to create 10*10 grid with cells labelled in numbers.that's all

ANDREA DI MARTINO 2021-11-4

Hi, how I can create an undirected graph with grid=reshape(0:99,10,10)';?

I need to create a grid graph 10x10 with undirected edges.

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Answer 3

Joseph Cheng 2014-9-18

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编辑：Joseph Cheng 2014-9-18

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you can use the text() to insert the grid labeling. here is an example. this is for labeling 1x1 pixels but it is scalable for larger grid sizes.

%something in the background
I = magic(10)
%generate where each text will go
[X Y]=meshgrid(1:10,1:10);
%create the list of text
string = mat2cell(num2str([1:10*10]'),ones(10*10,1));
%display the background
imagesc(I)
hold on
%insert the labels
text(Y(:)-.5,X(:)+.25,string,'HorizontalAlignment','left')
%calculte the grid lines
grid = .5:1:10.5;
grid1 = [grid;grid];
grid2 = repmat([.5;10.5],1,length(grid))
%plot the grid lines
plot(grid1,grid2,'k')
plot(grid2,grid1,'k')