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DifferentialEquations

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Partial Differential Equations

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  1. Differential Equations: Potassium-40 Decay: The chemical element potassium is a soft metal that can

    Differential Equations: Potassium-40 Decay: The chemical element potassium is a soft metal that can

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  2. Calculus Help: Differential Equations - (x+1) dy/dx+y=lnx,y(1)=10 - Techniques - Integrating Factor

    Calculus Help: Differential Equations - (x+1) dy/dx+y=lnx,y(1)=10 - Techniques - Integrating Factor

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  3. Calculus Help: Differential Equations - Linear ODE - Integrating Factor - y'=sinx (y secx-2)

    Calculus Help: Differential Equations - Linear ODE - Integrating Factor - y'=sinx (y secx-2)

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  4. We have not discussed methods by which systems of first-order differential equations can be solved

    We have not discussed methods by which systems of first-order differential equations can be solved

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  5. Calculus Help: Differential Equations - Exact - y'=(2y^2-3x^3)/(1-4xy) - Techniques

    Calculus Help: Differential Equations - Exact - y'=(2y^2-3x^3)/(1-4xy) - Techniques

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  6. 01 - Differential Equation Introduction Ordinary vs Partial Differential Equation(1)

    01 - Differential Equation Introduction Ordinary vs Partial Differential Equation(1)

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  7. Calculus Help: Separable Differential Equations: √(4+x^2 ) y^'-xy^2=0 ,y(0)=-1/4

    Calculus Help: Separable Differential Equations: √(4+x^2 ) y^'-xy^2=0 ,y(0)=-1/4

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  8. Calculus Help: Differential Equations - dy/dx=cos⁡(x+y) ,y(0)=π/4 - Reduction variable

    Calculus Help: Differential Equations - dy/dx=cos⁡(x+y) ,y(0)=π/4 - Reduction variable

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  10. Calculus: Complementary and Particular Solutions: y'' - y' - 2y = e^(3x) - Differential Equations

    Calculus: Complementary and Particular Solutions: y'' - y' - 2y = e^(3x) - Differential Equations

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  11. Undetermined Coefficients: Differential Equations -y''+9y=2cos2x- Complementary/Particular Solutions

    Undetermined Coefficients: Differential Equations -y''+9y=2cos2x- Complementary/Particular Solutions

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  12. Logistic Growth Model, Differential Equations - Calculus

    Logistic Growth Model, Differential Equations - Calculus

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  13. Calculus Help: Differential Equations - Homogeneous - x y^4 dy+(5x^5-2y^5 ) dx=0

    Calculus Help: Differential Equations - Homogeneous - x y^4 dy+(5x^5-2y^5 ) dx=0

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  14. Calculus Help: Separable Differential Equations - dy/dx=(y^2-1)/(x^2-1) ,y(2)=2 - Techniques

    Calculus Help: Separable Differential Equations - dy/dx=(y^2-1)/(x^2-1) ,y(2)=2 - Techniques

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  15. Calculus Help: Find the solution of differential equation dy/dx+2y=f(x),y(0)=0, f(x)={ (1,0≤x≤3@0,

    Calculus Help: Find the solution of differential equation dy/dx+2y=f(x),y(0)=0, f(x)={ (1,0≤x≤3@0,

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  16. Verifying Solutions to Differential Equations - Calculus

    Verifying Solutions to Differential Equations - Calculus

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  17. Calculus: Linear Ordinary Differential Equation: L di/dt+Ri=E,i(0)=i_0 ,L,R,E,i_0 constants

    Calculus: Linear Ordinary Differential Equation: L di/dt+Ri=E,i(0)=i_0 ,L,R,E,i_0 constants

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  18. Differential Equations: Linear ODE - Integrating Factor - dy/dx- y=11/8 e^(-x/3)

    Differential Equations: Linear ODE - Integrating Factor - dy/dx- y=11/8 e^(-x/3)

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  19. Calculus Help: Exact Differential Equations: 3y^3 dx+9xy^2 dy=0 - Techniques

    Calculus Help: Exact Differential Equations: 3y^3 dx+9xy^2 dy=0 - Techniques

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  20. 03 - General Solution of a Differential Equation ODE Non-Homogeneous Linear Equation(1)

    03 - General Solution of a Differential Equation ODE Non-Homogeneous Linear Equation(1)

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  21. Sparse Matrices to Speed up Calculations (Part 2): Partial Differential Equations - 1-D Diffusion

    Sparse Matrices to Speed up Calculations (Part 2): Partial Differential Equations - 1-D Diffusion

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  22. Calculus Help: Differential Equations - Homogeneous - y'=(y+2√xy)/x ,x>0,y(1)=1

    Calculus Help: Differential Equations - Homogeneous - y'=(y+2√xy)/x ,x>0,y(1)=1

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  23. Calculus Help: Exact Differential Equations - (cos2y-3x^2 y^2 )dx+(cos2y-2xsin2y-2x^3 y)dy=0

    Calculus Help: Exact Differential Equations - (cos2y-3x^2 y^2 )dx+(cos2y-2xsin2y-2x^3 y)dy=0

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  24. Calculus Help: y''-4y'+4y=0 - Complementary Solutions - Differential Equations - Techniques

    Calculus Help: y''-4y'+4y=0 - Complementary Solutions - Differential Equations - Techniques

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  25. Calculus Help: Linear Differential Equations - Integrating Factor - (x^2+1) dy/dx+3xy=6x

    Calculus Help: Linear Differential Equations - Integrating Factor - (x^2+1) dy/dx+3xy=6x

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