add a row to a matrix each loop

lets say i have a matrix somthing liek that:

for each loop there is a search for solutions,

if a solution is found for a, iteration loop it will be added as new row in the matrix , othere wise it will pass to find another solution .

how we can proceed ?

thanks

Answer 1

[Matt J]

Just concatenate:

A=eye(5)

A = 5×5

1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1

newrow=rand(1,5);

A=[A;newrow]

A = 6×5

1.0000 0 0 0 0 0 1.0000 0 0 0 0 0 1.0000 0 0 0 0 0 1.0000 0 0 0 0 0 1.0000 0.5232 0.3248 0.2297 0.4854 0.3321