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Published byDarwin Chamness Modified about 1 year ago

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محمدرضا محمدی

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syms x y z a=[exp(x) 0 sqrt(y);1 sin(z) 2;4 cos(z) x] f=det(a)

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fprim=diff(f,x,2)

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intf=int(f,y)

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intf_y=int(f,y,0,4)

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g=subs(f,[x,y,z],[0,-1,pi/2])

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b=y*x^2+z*x+y*z solve_b=solve(b)

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c=subs(b,[y,z],[(1/80)*x,sqrt(x)])

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ezplot(x,c)

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syms x d_1=dsolve('Dx-x=0') d_2=dsolve('Dx-x=0','x(0)=1')

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d_3=dsolve('D2x-x=0') d_4=dsolve('D2x-x=0','x(0)=1','x(log(2))=-1')

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e_2=fzero('cos',[1 2]) e_3=fzero(h,2)

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z=pi/2:0.01:pi; l=trapz(z,1./(z.^3))

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disp(['Area between the K under integral function and X axis is=',num2str(k),' [velocity(meter/sec)]']);

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m=randi([-1,4],4,5) m_sum=cumsum(m)

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m_prod=cumprod(m)

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cumprod_m_row=cumprod(m,2) cumsum_m_row=cumsum(m,2)

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golden_number=(1+sqrt(5))/2 vpa_gn=vpa(golden_number,2)

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Laplace Transform

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syms x y z t u=t^3+6*x*y+4*x^2*z u_laplace=laplace(u) u_laplace_x=laplace(u,x) u_laplace_y=laplace(u,y) u_laplace_z=laplace(u,z)

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u=ilaplace(u_laplace)

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u_lim=limit(u,x,0)

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Fourier Transform

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v=sin(x*z)+exp(y*z)+((x^3)/4) v_fourier=fourier(v,x) w=ifourier(v_fourier,x)

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taylortool('sin(x)')

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x=1:0.02:20; y=x; z=fft(y); w=ifft(z);

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