Flexibility matrix is a square symmetrical matrix

Stiffness matrix is a square symmetrical matrix

both Flexibility matrix is a square symmetrical matrix and Stiffness matrix is a square symmetrical matrix

none of the above

a unit force is applied at coordinate j and the displacements are calculated at all coordinates

a unit displacement is applied at co-ordinate j and the forces are calculated at all coordinates

a unit force is applied at coordinate j and the forces are calculated at all coordinates

a unit displacement is applied at co-ordinate j and the displacements are calculated at all co-ordinates

(i) and (iii)

(ii) and (iii)

(i) and (iv)

(ii) and (iv)

increase and decrease

increase and increase

decrease and increase

decrease and decrease

slope deflection method

column analogy method

moment distribution method

none of the above