print "Given matrix A is:\n",A
A=matrix([[1,3,3,3],[5,10,-2,-20],[3,5,10,2],[1,0,0,9]])
print "Function f(x) is defined as f(x)=sin(x)*cos(x)+0.5"
f(x)=sin(x)*cos(x)+0.5
print "The limits in which x should be plotted are given as :(1,6*pi) "
print "Plot statement used to plot the given graph is: plot(f(x),(x,1,6*pi))"
plot(f(x),(x,1,6*pi))


Result:

                

Given matrix A is:
[  1   3   3   3]
[  5  10  -2 -20]
[  3   5  10   2]
[  1   0   0   9]
Function f(x) is defined as f(x)=sin(x)*cos(x)+0.5
The limits in which x should be plotted are given as :(1,6*pi) 
Plot statement used to plot the given graph is: plot(f(x),(x,1,6*pi))