MATLAB: What is the meaning of [0.0;-1.5] in the following lines

interpolationpde

Tcenter = interpolateTemperature(result,[0.0;-1.5],1:numel(tlist));
Touter = interpolateTemperature(result,[0.2;-1.5],1:numel(tlist));

What does it mean by [0.0;-1.5]?

Best Answer

[0.0;-1.5] is a column vector with the two values 0.0 and -1.5. Mathematically, it looks like this:

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MATLAB: How can i create matrix for all possible combination

Use ndgrid:

>> [deltaM,phiM] = ndgrid(delta,phi);
>> [phiM(:),deltaM(:)]
ans =
         0.05         0.05
         0.05          0.1
         0.05         0.25
         0.05          0.5
         0.05            1
         0.05            2
         0.05            3
          0.1         0.05
          0.1          0.1
          0.1         0.25
          0.1          0.5
          0.1            1
          0.1            2
          0.1            3
          0.2         0.05
          0.2          0.1
          0.2         0.25
          0.2          0.5
          0.2            1
          0.2            2
          0.2            3
          0.5         0.05
          0.5          0.1
          0.5         0.25
          0.5          0.5
          0.5            1
          0.5            2
          0.5            3

MATLAB: Creating a matrix having repeating elements

A = kron(eye(5),[1;1])+kron(diag(-ones(4,1),1),[1;1]);
out = A(1:5,:);

n = 1:5;
A = repmat([1,-1,0,0,0],5,1);
out = A(mod(repmat(n,5,1) - ceil(n(:)/2),5)*5 + n(:));

Best Answer

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MATLAB: How can i create matrix for all possible combination

MATLAB: Creating a matrix having repeating elements

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