@kimberly111103

clc clear k=1 sum_terms=0 sum_terms<=10000; sum_terms=sum_terms + 3^k k=k +1; disp(k-1)

clc clear f=@(x)10*exp(-2*x); x= (0,2,100); y=f(x); plot(x,y) xlabel('x') ylabel('f(x)')

clc clear A=5i B=2i+4j C=3i-2 A=[5 0 0]; B=[2 4 0]; C=[3 0 -2];

clc clear x=-3:0.1:3; y=3*x.^4-6*x.^3+8*x.^2+4*x+90; z=3*x.^3+5*x.^2-8*x+70; plot(x,y,x,z)

clc clear A=[56 32; 24 -16]; B=[14 -4; 6 -2]; A*B

clc clear A=[3 7 -4 12; -5 9 10 2; 6 13 8 11; 15 5 4 1]; sort(A(:,3))

clc clear A=[3 7 -4 12; -5 9 10 2; 6 13 8 11; 15 5 4 1]; v=A(:,2); v= 7

clc clear x=-5+5i; y=-6+8i; a. w=x/y b. z=e^x d. s=x*y^2

clc clear t=0,2*pi,1000; a=1; x=a*sin(t); y=(a*cos(t).^2).*(2+cos(t))/3+sin(t).^2; plot (x,y)

clc clear x1=0:0.1:5; x2=5:0.1:10; x3=10:0.1:15; y1=3 y2=0 y3=-3

clc clear x=-10:0.01:10; f=5*x.^5 +2*x.^2 -6*x+8; g=x.^4 +3*x.^2-5*x+10; h=f.*g; plot(x,h,'b')

clc clear A=[7 3 7]; B=[-6 2 3]; C=[2 8 -8]; LHS=cross(A,cross(B,C)) RHS=B*dot(A,C)-C*dot(A,B);

clc clear t= [0, 0.1, 10]; XA=0.6.*t; XB=0.05.*t.^2+0.1.*t+0.5; plot(t,XA,'b','Linewidth',2); plot(t,XB,'r','Linewidth',2);

clc clear t=0:0.1:10; P=5*exp(-0.3*t)+4*cos(2*t); plot(t,P); xlabel('Time(years)'); ylabel('Population(thousands)');