detect row and column

how to know value for minimum and maximum of row and column

Answer 1

[Wayne King]

X = randn(10,5);
min(X,[],1)
min(X,[],2)
max(X,[],1)
max(X,[],2)

[Wayne King]

As the cyclist says, these syntaxes are documented

Answer 2

[the cyclist]

Use the min() and max() functions.

More details available by reading "doc min" and "doc max".