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y = sin([1:50]/3)'; thm = segment([y,ones(length(y),1)],[0 1 1],0.1); plot([thm,y])

y=[11.9 22.8 18.7 20.1 12.9 21.7 27.1 25.4 21.3 19.3 25.4 27.2 11.7 17.8 12.8 23.9 22.6 25.4 14.8 21.1]; x=[1 1 1 1 1 1 1 1 1 1 1

y=dsolve('D2y+4*Dy+29*y=0','y(0)=0,Dy(0)=15','x')

Y + * * + *

y( 0)=0.00000e+00 y( 1)=1.86090e-02 y( 2)=3.25359e-02 y( 3)=4.20480e-02 y( 4)=4.73684e-02 y( 5)=4.86842e-02 y( 6)=4.61538e-02 y( 7)=3.99123e-02 y( 8)=3.00752e-02 y( 9)=1.67423e-02 y(10)=0.

y( 0)=5.40000e+01 yy( 0)=5.68429e+01 y( 1)=1.45000e+02 yy( 1)=1.33629e+02 y( 2)=2.27000e+02 yy( 2)=2.44057e+02 y( 3)=3.59000e+02 yy( 3)=3.47943e+02 y( 4)=4.01000e+02 yy( 4)=3.93457e+02

y=sin(x) function I=Tint(a,b,f,var) m=1; h=(b-a)/2; x=[a;b]; T0=h*(y(1))+y(2)); F=0; for k=1:2