Write a complete Mat lab script that opens the data file cal
Solution
ANS:
clc
 clear all
 close all
 data = load(\'mathdata.txt\');
 data_values = data(:,1);
 n = lenght(data);
 add = 0;
 for i=1:n
     add = add + data(i);
 end
 Lar_value = max(data);
 small-value = min(data);
 
 R1=0;   % -10<= N <-5   region R1
 R2=0;   % -5 <= N <0   region R2
 R3=0;   % 0<= N < 5    region R3
 R4=0;   % 5 <= N 10    region R4
 for j=1:lenght(data)
     if (data(i)>=(-10)) && ( data(i)<(-5))
      R1 = R1 + 1;
     elseif (data(i)>=(-5)) && ( data(i)<(0))
      R2 = R2 + 1;
     elseif (data(i)>=0) && ( data(i)<5)
      R3 = R3 + 1;
     elseif (data(i)>=5) && ( data(i)<10)
       R4 = R4 + 1;
     else
     end
     
 end
 R = R1 + R2 + R3 + R4;
 
 no_of_data_values_in_R1_region = R1
 no_of_data_values_in_R2_region = R2
 no_of_data_values_in_R3_region = R3
 no_of_data_values_in_R4_region = R4
 
 % for checking R value should equal to no of data values

