Xcos examples from textbooks and for blocksHEADmaster

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diff --git a/Working_Examples/215/CH14/EX14.10/ex14_10.sce b/Working_Examples/215/CH14/EX14.10/ex14_10.sce
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+clc

+//Example 14.10

+//Install Symbolic toolbox

+//Determine the transform of rectangular pulse

+syms t s

+v=integ(exp(-s*t),t,2,%inf)-integ(exp(-s*t),t,5,%inf)

+disp(v,'V(s)=')
\ No newline at end of file
diff --git a/Working_Examples/215/CH14/EX14.11/ex14_11.sce b/Working_Examples/215/CH14/EX14.11/ex14_11.sce
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+++ b/Working_Examples/215/CH14/EX14.11/ex14_11.sce
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+clc

+//Example 14.11

+//Install Symbolic toolbox

+//Calculate f(inf)

+syms s t ;

+disp('Given function is f(t)=1-exp(-a*t)')

+u=laplace(1)

+v=laplace(exp(-2*t))

+F=u-v

+x=s*F

+//From final value theorem

+y=limit(x,s,0)

+disp(y,'f(inf)=')

+

diff --git a/Working_Examples/215/CH14/EX14.2/ex14_2.sce b/Working_Examples/215/CH14/EX14.2/ex14_2.sce
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+//Example 14.2

+//Install Symbolic toolbox

+//Find the Laplace transform

+syms t s

+clc

+z=integ(2*exp(-s*t),t,3,%inf)

+//The second term will result in zero

+disp(z,'F(s)=')
\ No newline at end of file
diff --git a/Working_Examples/215/CH14/EX14.3/ex14_3.sce b/Working_Examples/215/CH14/EX14.3/ex14_3.sce
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+++ b/Working_Examples/215/CH14/EX14.3/ex14_3.sce
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+clc

+//Example 14.3

+//Install Symbolic toolbox

+//Find the Inverse Laplace transform

+syms s

+a=7/s

+b=31/(s+17)

+x=ilaplace(a)

+y=ilaplace(b)

+g=x-y

+disp(g,'g(t)=')
\ No newline at end of file
diff --git a/Working_Examples/215/CH14/EX14.4/ex14_4.sce b/Working_Examples/215/CH14/EX14.4/ex14_4.sce
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+++ b/Working_Examples/215/CH14/EX14.4/ex14_4.sce
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+clc

+//Example 14.4

+//Install Symbolic toolbox

+//Find the Inverse Laplace transform

+syms s t

+a=2

+b=4/s

+x=ilaplace(b)

+//Inverse laplace transform of a constant is

+disp('inverse laplace(2)=2*delta(t)')

+disp('Answer is')

+disp(x+'2*delta(t)')

diff --git a/Working_Examples/215/CH14/EX14.5/ex14_5.sce b/Working_Examples/215/CH14/EX14.5/ex14_5.sce
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index 0000000..7caf6fe
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+++ b/Working_Examples/215/CH14/EX14.5/ex14_5.sce
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+clc

+//Example 14.5

+//Install Symbolic toolbox

+//Find the Inverse Laplace transform

+syms s

+s=%s;

+P =(7*s+5)/(s^2+s);

+Pp=pfss (P)

+p1=ilaplace (Pp(1))

+p2=ilaplace (Pp(2))

+p=p1+p2

+disp(p,'p(t)=');
\ No newline at end of file
diff --git a/Working_Examples/215/CH14/EX14.6/ex14_6.sce b/Working_Examples/215/CH14/EX14.6/ex14_6.sce
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+++ b/Working_Examples/215/CH14/EX14.6/ex14_6.sce
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+clc

+//Example 14.6

+//Install Symbolic toolbox

+//Find the Inverse Laplace transform

+syms s

+s=%s;

+V =2/(s^3+12*s^2+36*s);

+Vp=pfss (V)

+v1=ilaplace (Vp(1))

+v2=ilaplace (Vp(2))

+v=v1+v2

+disp(v,'v(t)=');
\ No newline at end of file
diff --git a/Working_Examples/215/CH14/EX14.7/ex14_7.sce b/Working_Examples/215/CH14/EX14.7/ex14_7.sce
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+++ b/Working_Examples/215/CH14/EX14.7/ex14_7.sce
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+clc

+//Example 14.7

+//Install Symbolic toolbox

+//Find the current through 5 ohm resistor

+syms s

+s=%s

+//From figure 14.3

+//Writing the KVL equation and taking the Laplace transform

+I=1.5/(s*(s+2))+5/(s+2)

+I1=1.5/(s*(s+2))

+I2=5/(s+2)

+I1p=pfss(I1)

+i1=ilaplace(I1p(1))

+i2=ilaplace(I1p(2)+I2)

+i=i1+i2

+disp(i,'i(t)=')
\ No newline at end of file
diff --git a/Working_Examples/215/CH14/EX14.8/ex14_8.sce b/Working_Examples/215/CH14/EX14.8/ex14_8.sce
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+++ b/Working_Examples/215/CH14/EX14.8/ex14_8.sce
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+clc

+//Example 14.8

+//Install Symbolic toolbox

+//Find the current for t>0

+syms s

+s=%s

+//From figure 14.5

+//Writing the KVL equation and taking the Laplace transform

+I=-2/(s+4)

+i=ilaplace(I)

+disp(i,'i(t)=')
\ No newline at end of file
diff --git a/Working_Examples/215/CH14/EX14.9/ex14_9.sce b/Working_Examples/215/CH14/EX14.9/ex14_9.sce
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+++ b/Working_Examples/215/CH14/EX14.9/ex14_9.sce
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+clc

+//Example 14.9

+//Install Symbolic toolbox

+//Find the voltage v(t)

+syms s

+s=%s

+//From figure 14.6

+//Writing the KCL equation and taking the Laplace transform

+V=4/(s*(s+4))+9/(s+4)

+V1=4/(s*(s+4))

+V2=9/(s+4)

+V1p=pfss(V1)

+v1=ilaplace(V1p(1))

+v2=ilaplace(V1p(2)+V2)

+v=v1+v2

+disp(v,'v(t)=')
\ No newline at end of file