MATLAB DIFFERENTIATION GRAPH

MATLAB DIFFERENTIATION GRAPH

clc;

clear all;

close all;

x=[-2:.01:4];

y=3*x.^3-26*x+6;

yd=9*x.^2-26;

ydd=18*x;

plot(x,y,'-b')

line(x,yd,'color','r')

line(x,ydd,'color','g');

title('Differentiation graph','color','r','fontsize',20);

text(-1,37,'\leftarrowNo 

derivative','color','b','edgecolor','k','linewidth',3);

text(.5,-30,'\uparrowFirst derivative','color','r','edgecolor','k','linewidth',3);

text(1,-20,'\leftarrow2nd derivative','color','g','edgecolor','k','linewidth',3);

legend('Equation','first derivative','2nd derivative',0);

xlabel('Time','color','m');

ylabel('Amplitude','color','m');