a122.m

matlab算法集 matlab算法集

       %----------------------------------------------------------------
       % Example a1.2.2: Family of Curves 
       %----------------------------------------------------------------
       clc        % clear command window  
       clear      % clear variables
       m = 50;    % number of points
       n = 6;     % number of curves
       fprintf ('Example a1.2.2: Family of Curves\n');
       a = 5;
       x = linspace(0,a,m)';
       for j = 1 : n
          for i = 1 : m  
             Y(i,j) = j*x(i)*exp(-n*x(i)/j);
          end
       end
       graphxy (x,Y,'A Family of Curves','x','y')
       %----------------------------------------------------------------