Deleting complete row having negative integer at any position
Mostrar comentarios más antiguos
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
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
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),:) = [];
Categorías
Más información sobre MATLAB en Centro de ayuda y File Exchange.
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!