initial commit / add all books

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diff --git a/1332/CH15/EX15.6/15_6.pdf b/1332/CH15/EX15.6/15_6.pdf
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diff --git a/1332/CH15/EX15.6/15_6.sce b/1332/CH15/EX15.6/15_6.sce
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+//Example 15.6

+//Taylor Method

+//Page no. 510

+clc;clear;close;

+

+deff('y=f1(x,y)','y=x^2+y^2')

+deff('y=f2(x,y)','y=2*x+2*y*f1(x,y)')

+deff('y=f3(x,y)','y=2+2*f1(x,y)^2+2*y*f2(x,y)')

+deff('y=f4(x,y)','y=6*f1(x,y)*f2(x,y)+2*y*f3(x,y)')

+h=0.2;

+for l=1:2

+    a=0;y=0;x=0;

+    printf('\n---------------\nh = %g\n---------------\n',h)

+    for i=1:4

+    x=a+(i-1)*h

+    k=0;

+    for j=1:4

+    if j==1 then

+        k=k+(h^j)*f1(x,y)/factorial(j)

+    elseif j==2

+        k=k+(h^j)*f2(x,y)/factorial(j)

+    elseif j==3

+        k=k+(h^j)*f3(x,y)/factorial(j)

+    else

+        k=k+(h^j)*f4(x,y)/factorial(j)

+    end

+end

+y=y+k;

+printf('\nx = %g\n\ny(%g) = %g\n\n',x,x+0.2,y)

+end

+h=h+0.2;

+end