initial commit / add all books

7 files changed, 76 insertions, 0 deletions

diff --git a/1376/CH1/EX1.17/1_17.sci b/1376/CH1/EX1.17/1_17.sci
new file mode 100755
index 000000000..fda51e9ad
--- /dev/null
+++ b/1376/CH1/EX1.17/1_17.sci
@@ -0,0 +1,12 @@
+//1.17

+clc;

+Y=90;

+X=89;

+Error_absolute=Y-X;

+disp(Error_absolute,'absolute Error')

+Error_relative=(Y-X)*100/Y;

+disp(Error_relative,'relative Error (percent)=')

+Accuracy_relative=1-Error_relative;

+disp(Accuracy_relative,'Accuracy relative=')

+Accuracy_percentage=100*Accuracy_relative;

+disp(Accuracy_percentage,'Accuracy(percentage)=') 
\ No newline at end of file
diff --git a/1376/CH1/EX1.18/1_18.sci b/1376/CH1/EX1.18/1_18.sci
new file mode 100755
index 000000000..37f2dc8b7
--- /dev/null
+++ b/1376/CH1/EX1.18/1_18.sci
@@ -0,0 +1,7 @@
+//1.18

+clc;

+S=98+100+102+98+100+100+104+104+105+97;

+n=10;

+Avg=S/n;

+P=1-abs((104-Avg)/Avg);

+printf("Precision for the 8th reading=%.2f",P)

diff --git a/1376/CH1/EX1.19/1_19.sci b/1376/CH1/EX1.19/1_19.sci
new file mode 100755
index 000000000..ca1ab0beb
--- /dev/null
+++ b/1376/CH1/EX1.19/1_19.sci
@@ -0,0 +1,12 @@
+//1.19

+clc;

+V=10;

+I=20*10^-3;

+RI=50;

+R=(V/I)-RI;

+printf("The value of Resistance=%.0f ohm",R)

+dV=0.2;

+dI=1*10^-3;

+dRI=5;

+dR=(dV/I)+(V*dI/I^2)+(dRI)

+printf("\nLimiting error of resistance=%.0f ohm",dR)

diff --git a/1376/CH1/EX1.20/1_20.sci b/1376/CH1/EX1.20/1_20.sci
new file mode 100755
index 000000000..926975739
--- /dev/null
+++ b/1376/CH1/EX1.20/1_20.sci
@@ -0,0 +1,16 @@
+//1.20

+clc;

+R0=5;

+a=0.004;

+T=30;

+R=R0*(1+a*(T-20));

+printf("Resistance of the wire=%.1f ohm",R)

+//Let (dR/dR0) =b ; (dR/da)=c ; (dR/dT)=d

+b=(1+a*(T-20));

+c=R0*(T-20);

+d=R0*a;

+ur0=5*0.003;

+ua=0.004*0.01;

+ut=1;

+uR=(b^2*ur0^2+c^2*ua^2+d^2*ut^2)^0.5;

+printf("Uncertanity in resistance=%.2f ohm",uR)

diff --git a/1376/CH1/EX1.21/1_21.sci b/1376/CH1/EX1.21/1_21.sci
new file mode 100755
index 000000000..82c5fc18d
--- /dev/null
+++ b/1376/CH1/EX1.21/1_21.sci
@@ -0,0 +1,10 @@
+//1.21

+clc;

+X_mean=(15+20+25+30+35+45)/6;

+printf("The sample mean of the temperature=%.2f degree C",X_mean)

+Y_mean=(1.9+1.93+1.97+2+2.01+2.01+1.94+1.95+1.97+2.02+2.02+2.04)/12*10^-6;

+printf("\nThe sample mean of the faliure=%.6f failures/hour",Y_mean)

+disp('from these values we get')

+a=1.80*10^-6;

+b=0.00226;

+disp('Y=1.80+0.00226x    is the required least square line')
\ No newline at end of file
diff --git a/1376/CH1/EX1.22/1_22.sci b/1376/CH1/EX1.22/1_22.sci
new file mode 100755
index 000000000..47b51915e
--- /dev/null
+++ b/1376/CH1/EX1.22/1_22.sci
@@ -0,0 +1,9 @@
+//1.22

+clc;

+n=2;

+k=1;

+dof=n-k;

+chi_square=(3-5)^2/5+(7-5)^2/5;

+disp(chi_square,'Chi square value=')

+disp('From the dof and chi square value we find P=0.22')

+disp('Hence there are 22% chance that the distribution is just the result of random fluctuations and the coin may be unweighted')
\ No newline at end of file
diff --git a/1376/CH1/EX1.23/1_23.sci b/1376/CH1/EX1.23/1_23.sci
new file mode 100755
index 000000000..bc40a62c1
--- /dev/null
+++ b/1376/CH1/EX1.23/1_23.sci
@@ -0,0 +1,10 @@
+//1.23

+clc;

+X_mean=501*1/5;

+printf("\nAssigned Value=%.1f V",X_mean)

+sigma={(1/(5-1))*((100.2-X_mean)^2+(100.3-X_mean)^2+(100.2-X_mean)^2+(100.2-X_mean)^2+(100.1-X_mean)^2)}^0.5;

+//disp('For 95% confidance level student factor t is 2.78')

+t=2.78;

+n=5;

+Ur=t*sigma/(n^0.5);

+printf("\nUncertanity=%.3f V",Ur)