Deleting complete row having negative integer at any position

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GEOINFORMATICS
GEOINFORMATICS el 3 de Oct. de 2013
Comentada: Sean de Wolski el 14 de Oct. de 2013
Hi,,, i have a matrix of 596684*4 . at the 4th col of matrix, sometime there appears a -ive number like -2445445, and i want to remove the whole row which contains this number. can anyone help me. Thanks

Respuestas (1)

Nishitha Ayyalapu
Nishitha Ayyalapu el 14 de Oct. de 2013
Here is an example code that would help:
A = [22 33 43 55;
11 22 -33 44;
55 22 33 -44;
99 88 77 66];
[row_neg col_neg] = find(A<0);
A(row_neg,:) = [];
This should manipulate A to
A =
22 33 43 55
99 88 77 66
  1 comentario
Sean de Wolski
Sean de Wolski el 14 de Oct. de 2013
Editada: Sean de Wolski el 14 de Oct. de 2013
No reason for find here, logical indexing will work just fine:
A(any(A<0,2),:) = [];

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