MATLAB: Filling blanks with zeros

zeros

Hello, I have a vector of 1175 values. The vector begins with the following values: 1983, 2004, 2054, 2094, 3107, 3137 etc. Is it possible to fill in the blanks between the values with zeros? So it would be 1982 times 0, than the value 1983, 21 times 0, than the value 2004, 50 times 0, than the value 2054 and so on…

Thanks in advance! Shawn Imming

Best Answer

maxval = max(YourVector);
NewVector = zeros(1, maxval);
NewVector(YourVector) = YourVector;

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MATLAB: Value w.r.t to time

in,out %starting values
in =
       1     1
       3     2
       5     3
       7     4
       9     5
out =
       1     0
       2     0
       3     0
       4     0
       5     0
       6     0
       7     0
       8     0
       9     0
      10     0
mask = ismember(out(:,1),in(:,1));
out(mask,2)=in(:,2)
out =
       1     1
       2     0
       3     2
       4     0
       5     3
       6     0
       7     4
       8     0
       9     5
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MATLAB: Columns of a matrix

To call the entire contents of a column of a matrix, use matrix name and the colon operator (:)

Para encontrar la columna de una matriz, utilice el nombre de la matriz y el operador dos puntos (:)

A = [1 2 3;...
     4 5 6;...
     7 8 9]; 
A(:,1) = [1; 4; 7]
A(:,2) = [2; 5; 8]

and so on.

The colon tells Matlab to take the data from every row giving you the entire colomn.. The second number says which column to take from. You can put things like 'i' from your loop in there too.

Best Answer

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MATLAB: Value w.r.t to time

MATLAB: Columns of a matrix

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