initial commit / add all books

18 files changed, 394 insertions, 0 deletions

diff --git a/659/CH7/EX1.cs/Casestudy7_1.sce b/659/CH7/EX1.cs/Casestudy7_1.sce
new file mode 100755
index 000000000..315946616
--- /dev/null
+++ b/659/CH7/EX1.cs/Casestudy7_1.sce
@@ -0,0 +1,35 @@
+//            Case Study: Chapter 7, Page No:210

+//             1. Median of list of numbers 

+

+N=10;

+disp("Enter the number of items");

+n=scanf("%d");

+//Reading items into array a

+printf("Input %d values[One at a time]\n",n);

+for i=1:n

+    a(i)=scanf("%f");

+end

+//Sorting begins

+for i=1:n-1

+   for j=1:n-i

+     if(a(j)<=a(j+1))

+         t=a(j);

+         a(j)=a(j+1);

+         a(j+1)=t;

+     else

+         continue;

+     end

+ end

+end  //sorting ends

+//Calculation of median

+if(n/2==0) then

+    median1=(a(n/2)+a(n/2+1))/2.0;

+else

+    median1=a(n/2+1);

+end

+//Printing

+for i=1:n

+    printf("%f  ",a(i));

+end

+printf("\nMedian is %f\n",median1);

+

diff --git a/659/CH7/EX1.cs/Casestudy7_1_output.PNG b/659/CH7/EX1.cs/Casestudy7_1_output.PNG
new file mode 100755
index 000000000..70c69cef1
--- /dev/null
+++ b/659/CH7/EX1.cs/Casestudy7_1_output.PNG
diff --git a/659/CH7/EX2.cs/Casestudy7_2.sce b/659/CH7/EX2.cs/Casestudy7_2.sce
new file mode 100755
index 000000000..15d41a2fe
--- /dev/null
+++ b/659/CH7/EX2.cs/Casestudy7_2.sce
@@ -0,0 +1,25 @@
+//             Case Study: Chapter-7

+//       2.Calculation of standard deviation

+

+MAXSIZE=100;

+sum1=0;n=0;sumsqr=0;

+disp("Input values:input -1 to end");

+for i=1:MAXSIZE

+    value(i)=scanf("%f");  //Entering values in the array named value

+    if(value(i)==-1)

+        break;

+    end

+    sum1=sum1+value(i);

+    n=n+1;

+end

+mean1=sum1/n;             //Computes mean

+for i=1:n

+    deviation=value(i)-mean1;

+    sumsqr=sumsqr+deviation^2;

+end

+variance1=sumsqr/n;

+stddeviation=sqrt(variance1);      //Computes standard deviation

+//Printing items,Mean and Standard deviation

+printf("Number of items: %d\n",n);

+printf("Mean: %f\n",mean1);

+printf("Standard deviation: %f\n",stddeviation);
\ No newline at end of file
diff --git a/659/CH7/EX2.cs/Casestudy7_2_output.PNG b/659/CH7/EX2.cs/Casestudy7_2_output.PNG
new file mode 100755
index 000000000..f25d31cec
--- /dev/null
+++ b/659/CH7/EX2.cs/Casestudy7_2_output.PNG
diff --git a/659/CH7/EX3.cs/casestudy7_3.sce b/659/CH7/EX3.cs/casestudy7_3.sce
new file mode 100755
index 000000000..6a67d724e
--- /dev/null
+++ b/659/CH7/EX3.cs/casestudy7_3.sce
@@ -0,0 +1,46 @@
+//             Case Study: Chapter-7

+//              3.Evaluating a Test

+

+STUDENTS=3;

+ITEMS=5;

+//Reading of correct answers

+printf("Input key to the items\n");

+for i=1:ITEMS

+    key(i)=read(%io(1),1,1,'(a)'); //Read data using read function

+    // key(i)=scanf("%c"); It can be used to read data

+end

+//Evaluation begins

+

+for student=1:STUDENTS

+    //Reading students responses and counting correct ones

+    count=0;

+    printf("\nInput responses of student-%d",student);

+    for i=1:ITEMS

+        response(i)=scanf("%c");

+    end

+    correct=zeros(1,ITEMS)

+//Commented code can be used to replace above line i.e. correct=zeros(1,ITEMS)

+    //for i=1:ITEMS

+    //    correct(i)=0;

+    //end

+    for i=1:ITEMS

+        if(response(i)==key(i)) then

+            count=count+1;

+            correct(i)=1;

+        end

+    end

+    //Printing of results

+    printf("Student-%d\n",student);

+    printf("Score is %d out of %d\n",count,ITEMS);

+    printf("Response to the items below are wrong\n");

+    n=0;

+    for i=1:ITEMS

+        if(correct(i)==0)

+            printf("  %d",i);

+            n=n+1;

+        end

+    end

+    if(n==0) then

+        printf("NIL\n");

+    end

+end
\ No newline at end of file
diff --git a/659/CH7/EX3.cs/casestudy7_3_output.PNG b/659/CH7/EX3.cs/casestudy7_3_output.PNG
new file mode 100755
index 000000000..27c105306
--- /dev/null
+++ b/659/CH7/EX3.cs/casestudy7_3_output.PNG
diff --git a/659/CH7/EX4.cs/Casestudy7_4.sce b/659/CH7/EX4.cs/Casestudy7_4.sce
new file mode 100755
index 000000000..c5971f1ff
--- /dev/null
+++ b/659/CH7/EX4.cs/Casestudy7_4.sce
@@ -0,0 +1,122 @@
+//               Case Study: Chapter-7

+//           4.Production and sales analysis

+

+//Input Data

+disp("Enter products manufactured week_wise");

+disp("M11,M12,--,M21,M22,--etc");

+for i=1:2

+    for j=1:5

+        M(i,j)=scanf("%d");

+    end

+end

+disp("Enter products sold week_wise");

+disp("S11,S12,--,S21,S22,--etc");

+for i=1:2

+    for j=1:5

+        S(i,j)=scanf("%d");

+    end

+end

+disp("Enter cost of each product");

+for j=1:5

+    C(j)=scanf("%d");

+end

+//Values matrices of production and sales

+for i=1:2

+    for j=1:5

+        Mvalue(i,j)=M(i,j)*C(j);

+        Svalue(i,j)=S(i,j)*C(j);

+    end

+end

+//Total value of weekly production and sales

+for i=1:2

+    Mweek(i)=0;

+    Sweek(i)=0;

+    for j=1:5

+        Mweek(i)=Mweek(i)+Mvalue(i,j);

+        Sweek(i)=Sweek(i)+Svalue(i,j);

+    end

+end

+//Monthly value of product_wise production and sales

+for j=1:5

+    Mproduct(j)=0;

+    Sproduct(j)=0;

+    for i=1:2

+        Mproduct(j)=Mproduct(j)+Mvalue(i,j);

+        Sproduct(j)=Sproduct(j)+Svalue(i,j);

+    end

+end

+//Grand total of production and sales values

+Mtotal=0;Stotal=0;

+for i=1:2

+    Mtotal=Mtotal+Mweek(i);

+    Stotal=Stotal+Sweek(i);

+end

+

+//***********************************************

+//Selection and printing of information required

+//***********************************************

+disp("Following is the list of things you request for");

+disp("Enter appropriate number and press return key");

+

+disp("1.Value matrices of production and sales");

+disp("2.Total value of weekly production and sales");

+disp("3.Production_wise monthly value of production and sales");

+disp("4.Grand total value of production and sales");

+disp("5.Exit")

+

+number=0;

+while(1)

+    //Begining of while loop

+    number=input("ENTER YOUR CHOICE:");

+    if(number==5) then

+        disp("Good Bye");

+        break;

+    end

+    select number

+        //Value Matices

+    case 1 then

+        disp("VALUE MATRIX OF PRODUCTION");

+        for i=1:2

+            printf("Week(%d)\t",i);

+            for j=1:5

+               printf("%7d",Mvalue(i,j));

+            end

+            printf("\n");

+        end

+       disp("VALUE MATRIX OF SALES");

+        for i=1:2

+           printf("Week(%d)\t",i);

+            for j=1:5

+               printf("%7d",Svalue(i,j));

+            end

+            printf("\n");

+        end

+       //Weekly Analysis

+    case 2 then 

+        disp("TOTAL WEEKLY PRODUCTION AND SALES");

+        disp("          PRODUCTION     SALES");

+        disp("          ----------    ------");

+        for i=1:2

+            printf("Week(%d)\t",i);

+            printf("%7d\t%9d\n",Mweek(i),Sweek(i));

+        end

+      //Product wise Analysis

+    case 3 then

+        disp("PRODUCTWISE TOTAL PRODUCTION AND SALES");

+        disp("             PRODUCTION     SALES");

+        disp("              ----------    ------");

+        for i=1:5

+            printf("Product(%d)\t",i);

+            printf("%7d\t%7d\n",Mproduct(i),Sproduct(i));

+        end  

+     //Grand Totals

+    case 4 then

+       disp("GRAND TOTAL OF PRODUCTION AND SALES");

+       printf(" Total production = %d\n",Mtotal);

+       printf(" Total sales = %d\n",Stotal);

+      //Default

+    else

+       printf("Wrong choicce,select again\n");

+ end //End of select

+end  //End of while

+disp("Exit from the program");
\ No newline at end of file
diff --git a/659/CH7/EX4.cs/Casestudy7_4_output.PNG b/659/CH7/EX4.cs/Casestudy7_4_output.PNG
new file mode 100755
index 000000000..bd7cf1b60
--- /dev/null
+++ b/659/CH7/EX4.cs/Casestudy7_4_output.PNG
diff --git a/659/CH7/EX7.1/exm7_1.sce b/659/CH7/EX7.1/exm7_1.sce
new file mode 100755
index 000000000..2618a6fbf
--- /dev/null
+++ b/659/CH7/EX7.1/exm7_1.sce
@@ -0,0 +1,16 @@
+//                 Example:7.1

+//Write a program using single-subscripted variable to evaluate:

+// sum of squares of 10 numbers.The values x1,x2,...are read from the terminal.

+

+//Reading values into array

+disp("ENTER 10 REAL NUMBERS[Each in newline]");

+total=0;

+for i=1:10

+    x(i)=input(" ");

+    total=total+x(i)^2; //Computation of total

+end

+//Printing of x(i) values and total

+for i=1:10

+    printf("x(%2d) =%5.2f\n",i,x(i));

+end

+printf("Total =%.2f",total);
\ No newline at end of file
diff --git a/659/CH7/EX7.1/exm7_1_output.PNG b/659/CH7/EX7.1/exm7_1_output.PNG
new file mode 100755
index 000000000..bc97db5f2
--- /dev/null
+++ b/659/CH7/EX7.1/exm7_1_output.PNG
diff --git a/659/CH7/EX7.2/exm7_2.sce b/659/CH7/EX7.2/exm7_2.sce
new file mode 100755
index 000000000..bb64796ac
--- /dev/null
+++ b/659/CH7/EX7.2/exm7_2.sce
@@ -0,0 +1,42 @@
+//                    Example:7.2

+//Given below is the list of marks obtained by a class of 50 students in an 

+//annual examination. 43 65 51 27 79 11 56 61 82 09 25 36 07 49 55 63 74 81 49 

+//37 40 49 16 75 87 91 33 24 58 78 65 56 76 67 45 54 36 63 12 21 73 49 51 19 39 

+//49 68 93 85 59

+//Write a program to count the number of students belonging to each of

+// following groups of marks:0-9,10-19,20-29,.......100.

+

+//This program computes for 10 students. We could compute for 50 students by

+//changing MAXVAL=50.

+

+MAXVAL=10;COUNTER=11;

+disp("Input Data[Marks of 10 students]");

+group1=zeros(1,11);

+//Reading and counting

+for i=1:MAXVAL

+    //Reading of values

+    value(i)=input(" ");

+    //Counting frequency of groups

+    a=int16((value(i)/10));

+    if(a==0) then

+      group1(a+1)=group1(a+1)+1;

+     else

+      group1(a+1)=group1(a+1)+1;

+    end

+  

+end

+//Printing of frequency table

+printf("Group       Range     Frequency\n");

+for i=0:COUNTER-1

+    if(i==0) ,

+        low=0;

+    else

+        low=i*10;

+    end

+    if(i==10),

+        high=100;

+     else

+          high=low+9;

+    end

+    printf("%2d %8d to %3d %5d\n",i+1,low,high,group1(i+1));

+end

diff --git a/659/CH7/EX7.2/exm7_2_output.PNG b/659/CH7/EX7.2/exm7_2_output.PNG
new file mode 100755
index 000000000..4b12a2e5f
--- /dev/null
+++ b/659/CH7/EX7.2/exm7_2_output.PNG
diff --git a/659/CH7/EX7.3/exm7_3.sce b/659/CH7/EX7.3/exm7_3.sce
new file mode 100755
index 000000000..e5e832b67
--- /dev/null
+++ b/659/CH7/EX7.3/exm7_3.sce
@@ -0,0 +1,43 @@
+//                 Example:7.3

+//Write a program using two dimensional array to compute print following 

+//information from the table of data discussed:

+//(a)Total value of sales by each girl.

+//(b)Total value of each item sold 

+//(c)Grand total of all sales of all items by all girls.

+

+MAXGIRLS=4;MAXITEMS=3;

+frequency=zeros(1,5);

+disp("Input data");

+//Reading values and computing girl_total

+disp("Enter values,one at a time");

+

+for i=1:MAXGIRLS

+    girl_total(i)=0;

+    for j=1:MAXITEMS

+    value(i,j)=scanf("%d");

+    girl_total(i)=girl_total(i)+value(i,j);

+    end

+end

+//Computing item total

+for j=1:MAXITEMS

+    item_total(j)=0;

+    for i=1:MAXGIRLS

+    item_total(j)=item_total(j)+value(i,j);

+    end

+end

+//Computing grand total

+grand_total=0;

+for i=1:MAXGIRLS

+    grand_total=grand_total+girl_total(i);

+end

+//Printing of result

+disp("GIRLS TOTALS");

+for i=1:MAXGIRLS

+    printf("Salesgirl(%d)=%d\n",i,girl_total(i));

+end

+

+disp("ITEM TOTALS");

+for j=1:MAXITEMS

+    printf("Item(%d)=%d\n",j,item_total(j));

+end

+printf("Grand Total=%d\n",grand_total);

diff --git a/659/CH7/EX7.3/exm7_3_output.PNG b/659/CH7/EX7.3/exm7_3_output.PNG
new file mode 100755
index 000000000..1d46a175a
--- /dev/null
+++ b/659/CH7/EX7.3/exm7_3_output.PNG
diff --git a/659/CH7/EX7.4/exm7_4.sce b/659/CH7/EX7.4/exm7_4.sce
new file mode 100755
index 000000000..857d99a74
--- /dev/null
+++ b/659/CH7/EX7.4/exm7_4.sce
@@ -0,0 +1,18 @@
+//                    Example:7.4

+//Write a program to compute and print a multiplication table for numbers 1 to 5

+

+ROWS=5;COLUMNS=5;

+disp("MULTIPLICATION TABLE");

+printf("*|")

+for j=1:COLUMNS

+    printf("%4d",j);

+end

+disp("________________________");

+for i=1:ROWS

+    printf("%1d|",i);

+    for j=1:COLUMNS

+        product(i,j)=i*j;        //Calculate the product

+    printf("%4d",product(i,j));  //Print the product

+    end

+    printf("\n");

+end
\ No newline at end of file
diff --git a/659/CH7/EX7.4/exm7_4_output.PNG b/659/CH7/EX7.4/exm7_4_output.PNG
new file mode 100755
index 000000000..ebee535df
--- /dev/null
+++ b/659/CH7/EX7.4/exm7_4_output.PNG
diff --git a/659/CH7/EX7.5/exm7_5.sce b/659/CH7/EX7.5/exm7_5.sce
new file mode 100755
index 000000000..e1703c5bb
--- /dev/null
+++ b/659/CH7/EX7.5/exm7_5.sce
@@ -0,0 +1,47 @@
+//                      Example:7.5

+//A survey to know the popularity of four cars(Ambassador,fait,Dolphin and 

+//Maruti) was conducted in four cities(Bombay,Calcutta,Delhi and Madras).

+//Each person surveyed was asked to give his city and type of car he was using.

+//Write a program to prouce a table showing the popularity of various cars in 

+//four cities.

+

+frequency=zeros(5,5);

+printf("For each person,enter the city code[B,C,D,M]\n");

+printf("followed by the car code[1,2,3,4].\n");

+printf("Enter the letter X 0(zero)to indicate end.\n");

+

+//Tabulation begins

+for i=1:99

+    [n,city,car]=mscanf("%c %d");

+    if(city=='X') then

+        break;

+    end

+    select city

+     case 'B' then frequency(1,car)=frequency(1,car)+1;

+     case 'C' then frequency(2,car)=frequency(2,car)+1;

+     case 'D' then frequency(3,car)=frequency(3,car)+1;

+     case 'M' then frequency(4,car)=frequency(4,car)+1;

+    end

+

+end

+

+//Tabulation completed and Printing begins

+disp("            POPULATORY TABLE");

+printf("______________________________________________\n");

+printf("City      Ambasseador  fait  Dolphin  Maruti\n");

+printf("______________________________________________\n");

+

+for i=1:4

+    select i

+    case 1 then printf(" Bombay  ");

+    case 2 then printf(" Calcutta");

+    case 3 then printf(" Delhi   ");

+    case 4 then printf(" Madras  ");

+    end

+    for j=1:4

+    printf("%8d",frequency(i,j));

+    end

+    printf("\n");

+end

+printf("______________________________________________");

+//              Printing ends
\ No newline at end of file
diff --git a/659/CH7/EX7.5/exm7_5_output.PNG b/659/CH7/EX7.5/exm7_5_output.PNG
new file mode 100755
index 000000000..856dc06d8
--- /dev/null
+++ b/659/CH7/EX7.5/exm7_5_output.PNG