create a test environment with the size 10x10x10cm

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sia 2013-5-29

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https://ww2.mathworks.cn/matlabcentral/answers/77303-create-a-test-environment-with-the-size-10x10x10cm

Hi,

i wanna create a test environment with the size 10x10x10 cm. This should be my workspace and there is no electrical resistance or something like that. there is only air. Then i want to place a cube in the center of that.

But I dont know, how i can create such of matrix.

Can u guys help me pls??? THX

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Walter Roberson 2013-5-29

How finely grained should the cube be? If it is 10 cm per side, do you need it sub-divided into mm ? You mention electrical resistance and air: if you are going to model air-gap electric field breakdowns, then 1 mm per step might be too much for realistic modelling.

Walter Roberson 2013-5-29

Please read the guide to tags and retag this question; see http://www.mathworks.co.uk/matlabcentral/answers/43073-a-guide-to-tags

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Answer 1

Muruganandham Subramanian 2013-5-29

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https://ww2.mathworks.cn/matlabcentral/answers/77303-create-a-test-environment-with-the-size-10x10x10cm#answer_86951

编辑：Muruganandham Subramanian 2013-5-29

在 MATLAB Online 中打开

>> B = zeros(10,10,10); %Try this

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Muruganandham Subramanian 2013-5-29

Refer this link: http://www.mathworks.in/matlabcentral/newsreader/view_thread/324690

sia 2013-5-29

编辑：sia 2013-5-29

在 MATLAB Online 中打开

I dont think this link helps me :(.... I wanna write a function to build that. something like that:

 function  test_environment
 x = 10;
 y = 10;
z = 10;
workspace = zeros(x,y,z);
for i=1:1:x 
       for j=1:1:y
        for k=1:1:z
         % here i have to include the second matrix B = onse(2,2,2)
        end 
    end 
end 
end

But i dont know how :( Any idea?

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Answer 2

sia 2013-5-29

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https://ww2.mathworks.cn/matlabcentral/answers/77303-create-a-test-environment-with-the-size-10x10x10cm#answer_86978

在 MATLAB Online 中打开

I changed my funktion to this :

 function  test_environment 
workspace = zeros(10,10,10);
cube      = ones(2,2,2);
[r,c,d]=size(cube);
xpos=2;ypos=2;zpos=2;
workspace(xpos:xpos+r-1,ypos:ypos+c-1,zpos:zpos+d-1)=B;
end

but when i try to call it like this :

>> test_environment

i get this error:

Undefined function or variable 'test_environment'.

do u se my fail???

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Walter Roberson 2013-5-29

You need to save that code to test_environment.m somewhere on your MATLAB path.

Note: you will not see any output from this function. When it executes it will construct values within its local workspace, and then when the function executes the workspace will be destroyed, leaving you with no net effect.

sia 2013-5-29

在 MATLAB Online 中打开

I found this problem thx :)

another question: i wanna display the result i use at the mom

printmat(workspace )

but this is not smart. because i gt this:

                 --1-->       --2-->       --3-->       --4-->       --5-->
       --1-->            0            0            0            0            0
       --2-->            0            0            0            0            0
       --3-->            0            0            0            0            0
       --4-->            0            0            0            0            0
       --5-->            0            0            0            0            0
       --6-->            0            0            0            0            0

and .... I think i get all columns, how can i formate this?????

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create a test environment with the size 10x10x10cm

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