11 files changed, 190 insertions, 0 deletions
diff --git a/662/CH9/EX9.11/example9_11.JPG b/662/CH9/EX9.11/example9_11.JPG
new file mode 100755
index 000000000..3453e3794
--- /dev/null
+++ b/662/CH9/EX9.11/example9_11.JPG
diff --git a/662/CH9/EX9.11/example9_11.sci b/662/CH9/EX9.11/example9_11.sci
new file mode 100755
index 000000000..8507f3f8b
--- /dev/null
+++ b/662/CH9/EX9.11/example9_11.sci
@@ -0,0 +1,31 @@
+            //Programming Example 9.11
+            //passing array to function and altering values of array elements
+
+function[] = main()
+    printf("\n From main, before calling the function: \n");
+    for count = 1:3 
+                  //Here it is 1:3 as in c it starts frm 0 to 2, index 0 is invalid in scilab
+        a(count)=count;
+        printf("a[%d] = %d\n", count, a(count));
+    end
+
+    a= modify(a);
+
+    printf("\nFrom main, after calling the function:\n");
+    for count = 1:3
+        printf("a[%d] = %d\n", count, a(count));
+    end
+endfunction
+
+function[a] = modify(a)            //function definition
+    printf("\n From the function, after modifying the values:\n");
+    for count = 1:3
+        a(count)=-9;
+        printf("a[%d] = %d\n", count, a(count));
+    end
+    return a;
+endfunction
+
+//calling main()
+funcprot(0);
+main();
+\ No newline at end of file
diff --git a/662/CH9/EX9.12/example9_12.JPG b/662/CH9/EX9.12/example9_12.JPG
new file mode 100755
index 000000000..2f0a5c717
--- /dev/null
+++ b/662/CH9/EX9.12/example9_12.JPG
diff --git a/662/CH9/EX9.12/example9_12.sci b/662/CH9/EX9.12/example9_12.sci
new file mode 100755
index 000000000..20698b3a0
--- /dev/null
+++ b/662/CH9/EX9.12/example9_12.sci
@@ -0,0 +1,37 @@
+                //Programming Example 9.12
+            //passing a variable along with an array to the function
+
+a = 1;            //global variable
+
+function[] = main()
+    b = 2;            //local variable
+    printf("\nFrom main, before calling the function: \n");
+    printf("a = %d        b = %d\n", a, b);
+    for count = 1:3
+        c(count) = 10*(count+1);
+        printf("c[%d] = %d\n", count, c(count));
+    end
+
+    c=modify(b,c);
+    printf("\n From main, after calling the function: \n ");
+    printf("a = %d        b = %d\n", a, b);
+    for count =1:3
+        printf("c[%d] = %d\n", count, c(count));
+    end
+endfunction
+
+function[c] = modify(b,c)        //function definition
+    printf("\n From the function, after modifying the values: \n");
+    a=-999;
+    b=-999;
+    printf("a = %d        b = %d\n", a, b);
+    for count =1:3
+        c(count)=-9;
+        printf("c[%d] = %d\n", count, c(count));
+    end
+    return c;
+endfunction
+
+//calling main()
+funcprot(0);
+main();
+\ No newline at end of file
diff --git a/662/CH9/EX9.13/example9_13.JPG b/662/CH9/EX9.13/example9_13.JPG
new file mode 100755
index 000000000..7ea576cb0
--- /dev/null
+++ b/662/CH9/EX9.13/example9_13.JPG
diff --git a/662/CH9/EX9.13/example9_13.sci b/662/CH9/EX9.13/example9_13.sci
new file mode 100755
index 000000000..6ea97ff18
--- /dev/null
+++ b/662/CH9/EX9.13/example9_13.sci
@@ -0,0 +1,43 @@
+                //Programming Example 9.13
+         //Reorder a 1 dimentional, integer array from smallest to largest
+
+function[] = main()
+    //read in a value for n
+    printf("\n How many numbers will be entered? ");
+    n = scanf("%d");
+    printf("\n");
+
+    //read in the list of numbers
+    for i =1:n
+        printf("i = %d    x = ", i+1);
+        x(i) = scanf("%d");
+    end
+
+    //reorder all array elements
+    x=reorder(n,x);
+
+    //display the reordered list of numbers
+    printf("\n\nReordered List of numbers:\n\n");
+    for i=1:n
+        printf("i = %d    x=%d\n", i, x(i));
+    end
+endfunction
+
+function[x] = reorder(n, x)            //rearrange the list of numbers
+    for item=1:n-1
+        //find the smallest of all remaining elements
+        for i= item+1:n
+            if(x(i) < x(item))
+               //interchange two element
+                temp=x(item);
+                x(item)=x(i);
+                x(i)= temp;
+            end
+        end
+    end
+    return x;
+endfunction
+
+//calling main()
+funcprot(0);
+main();
+\ No newline at end of file
diff --git a/662/CH9/EX9.2/example9_2.sci b/662/CH9/EX9.2/example9_2.sci
new file mode 100755
index 000000000..9ccb935cf
--- /dev/null
+++ b/662/CH9/EX9.2/example9_2.sci
@@ -0,0 +1,19 @@
+                //Programming Example 9.2
+            //Lowercase to Upercase converson using 1 dimensional array
+function[]  = main() 
+    //read in the line
+    line =input("Enter a line: ","string");
+    SIZE= length(line);
+    for count = 1:1:SIZE
+        letter(count) = part(line, count);
+    end
+    //display the line in upper case
+    for count = 1:1:SIZE
+        a=convstr(letter(count),'u');
+        printf("%c",a);
+    end
+endfunction
+
+//calling main()
+funcprot(0);
+main();
+\ No newline at end of file
diff --git a/662/CH9/EX9.8/example9_8.JPG b/662/CH9/EX9.8/example9_8.JPG
new file mode 100755
index 000000000..9bdfa3e60
--- /dev/null
+++ b/662/CH9/EX9.8/example9_8.JPG
diff --git a/662/CH9/EX9.8/example9_8.sci b/662/CH9/EX9.8/example9_8.sci
new file mode 100755
index 000000000..94b58422d
--- /dev/null
+++ b/662/CH9/EX9.8/example9_8.sci
@@ -0,0 +1,33 @@
+            //Programming Example 9.8
+            //Deviation about an average
+            
+function[] = main()        
+    Sum=0;
+
+    //read a value for n
+    printf("\nHow many numbers will be averaged? ");
+    n= scanf("%d");
+    printf("\n");
+
+    //read the numbers and calculate their sum
+    for count = 1:1:n
+        printf("i = %d       X = ", count);       
+          //index count start from 1, so no need to denote it as (count+!) element
+        List(count) = scanf("%f");
+        Sum = Sum+List(count);
+    end
+
+    //calculate and display the average
+    avg = Sum/n;
+    printf("\n The average is %5.2f\n\n", avg);
+
+    //calculate and display the deviations about the average
+    for count = 1:1:n
+        d = List(count)- avg;
+        printf("i = %d       X = %5.2f       d = %5.2f\n", count, List(count), d);
+    end
+endfunction
+
+//calling main()
+funcprot(0);
+main();
+\ No newline at end of file
diff --git a/662/CH9/EX9.9/example9_9.JPG b/662/CH9/EX9.9/example9_9.JPG
new file mode 100755
index 000000000..c86689010
--- /dev/null
+++ b/662/CH9/EX9.9/example9_9.JPG
diff --git a/662/CH9/EX9.9/example9_9.sci b/662/CH9/EX9.9/example9_9.sci
new file mode 100755
index 000000000..e82e4efc1
--- /dev/null
+++ b/662/CH9/EX9.9/example9_9.sci
@@ -0,0 +1,27 @@
+            //programming Example 9.9
+//calculate the average of n numbers, 
+            //then compute the deviation of each number aboutthe average.
+
+n = 5;
+List={3, -2, 12, 4.4, 3.5};
+
+function[] = main()
+    Sum = 0;
+
+    //calculate and display the average
+    for count = 1:1:n
+        Sum=Sum+List(count);
+    end
+    avg = Sum/n;
+    printf("\nThe average is %5.2f\n\n", avg);
+
+    //Calculate and display the deviations about the average
+    for count = 1:1:n
+        d = List(count)-avg;
+        printf("i = %d        X = %5.2f        d = %5.2f\n", count, List(count), d);
+    end
+endfunction
+
+//calling main()
+funcprot(0);
+main();
+\ No newline at end of file