replace column

How to replace a column with ones in a image containing rows and coulumns with zeros.

Answer 1

[Matt Fig]

% 2D example:
A = zeros(5)
A(:,3) = 1

% 3D example:
A = zeros(3,3,3)
A(:,2,:) = 1

[Gova ReDDy]

danx...and how to apply % gaussmf % for each column or each row havin the no. of rows and columns as

x=zeros(50,1600);

x(24,:)=1;