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| author | priyanka | 2015-06-24 15:03:17 +0530 |
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| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2096/CH1/EX1.60/ex_1_60.sce | |
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initial commit / add all books
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diff --git a/2096/CH1/EX1.60/ex_1_60.sce b/2096/CH1/EX1.60/ex_1_60.sce new file mode 100755 index 000000000..176eb3f31 --- /dev/null +++ b/2096/CH1/EX1.60/ex_1_60.sce @@ -0,0 +1,31 @@ +//Example 1.60://standard deviation +clc; +clear; +u1=[1.8,4.6,6.6,9.0,11.4,13.4];// +v1=[2.2,3.2,5.2,6.4,8.0,10.0];// +for i= 1:6 + m(i)= u1(i)*v1(i) + d(i)= u1(i)^2;// +end +su= u1(1)+u1(2)+u1(3)+u1(4)+u1(5)+u1(6); +sv= v1(1)+v1(2)+v1(3)+v1(4)+v1(5)+v1(6); +sm=m(1)+m(2)+m(3)+m(4)+m(5)+m(6);// +sd=d(1)+d(2)+d(3)+d(4)+d(5)+d(6);// +a= ((6*sm)-(su*sv))/((6*sd)-(su)^2);// +b=((sv*sd)-(sm*su))/((6*sd)-(su)^2);// +disp(a,"variable a is") +disp(b,"variable b is") +disp("best linear equation is 0.672u+0.591") +for i=1:6 + x(i)=a*u1(i)+b-v1(i) + dx(i)=x(i)^2 +end +sdx=dx(1)+dx(2)+dx(3)+dx(4)+dx(5)+dx(6);// +SD= sqrt(sdx/6);// +SDu=SD/a;//deviation of u +SDa= sqrt((6)/((6*sd)-(su^2)))*SD;//standard deviation in a +SDb= sqrt((sd)/((6*sd)-(su^2)))*SD;//standard deviation in b +disp(SD,"standard deviation is ±") +disp(SDu,"standard deviation in u is ±") +disp(SDa,"standard deviation in a is ±") +disp(SDb,"standard deviation in b is ±") |