Q$5)$ A pin jointed structure is shown in Figure $2.$

$[18]$

a$)$ Number the nodes for minimum band width.

b$)$ State the size of overall matrix of the structrure.

c$)$ Which rows & columns are deleted to consider boundary conditions.

d$)$ Write explicitely force & displacement vectors.

e$)$ State size of reduced matrix equation.

FIGURE$-2$