Matlab find zero value with certain range

Question

I have this matrix:

A =[22    22   142   142   142    92    92    92     0     0
     0   109   109   151   151   151    23    23   149   149
     0     0     0   152   152   152    38    38     0     0
     0    13    13   113   113   113   119   119   119     0
     0     8     8     8    84    84    14    14    14     0
     0     0   144   144   144     0     0     0    66    66
    139   139   139   34    34    34     0     0     0     0
     0     0    64    64    64   128   128    59    59    59
    83    83    83    65    65    65    67    67    67     0];

How can I find indices (row, column) from matrix with zero value respectively 2 or more?

Answer 1

您可以按如下方式使用find ：

[r,c] = find(A==0)

Answer 2

[rows,cols] = ind2sub(size(A),find(A==0))

find为您提供索引， ind2sub将它们转换为列-行格式。