how can i remove an element from a matrix

hello community,

i have a matrix A=[0 0 0;0.7 1 0.7] i want to remove the element 1 A(2,2) help please

Answer 1

[Ronny Landsverk]

If you want a representation of an empty element, use NaN (not a number).

A(2,2) = NaN;

[Walter Roberson]

And if replacing the location with some set value such as NaN or -9999 is not appropriate, then you have the problem that rectangular arrays cannot have "holes" in them.