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+// A Textbook of Fluid Mecahnics and Hydraulic Machines - By R K Bansal
+// Chapter 4-Buoyancy and Floatation
+// Problem 4.9
+
+//Given Data Set in the Problem
+dens=1000
+g=9.81
+V=2*1*0.8
+sg=0.7
+
+//calculations
+h=poly(0,"h")
+w_d=dens*g*2*1*h
+//we know thtat at equilibrium; weight of wooden piece =weight of wter displaced
+w_w=sg*dens*g*2*1*0.8
+function[f] = F(h)
+f=w_w-(dens*g*2*1*h) //w_wood-w_displaced
+endfunction
+h=1
+h=fsolve(h,F)
+//For centre of buoyancy
+AB=h/2
+AG=0.8/2
+BG=AG-AB
+//Meta centric heinght
+I_yy=1/12*2*1^3
+v_sub=2*1*h
+//hence GM is
+GM=I_yy/v_sub-BG
+mprintf("The Meta centric height is %f m\n",GM)