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VincentLec


自 2016 起处于活动状态

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统计学

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Solving a 3 variables ODE using a for loop and a step-by-step process
Hello, So here's my problem: I have a 3 dimensional ODE that I need to solve in order to obtain a 3D vector (see attached pdf...

8 years 前 | 1 个回答 | 0

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Substituing symbolic variable with the element of a matrix before using ode solver
So, I have this explicit ODE system (named Y): Y = (0.5*(1.95e290*cos(sin(3.0*t))^2*cos(sin(t))*sin(3.0*t) + [...] + 3.....

8 years 前 | 1 个回答 | 0

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Substituing symbolic variable with an element of a matrix
So, I have this ODE system (named Y): Y= 2.09e-4*thetaxpp*cos(4.0*sin(3.0*t)) - 9.16e-4*thetaypp*sin(4.0*sin(3.0*t)) - 0....

8 years 前 | 1 个回答 | 0

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Difference between D(f)(x) and diff( f(x) , x )
Hello, So, I'm using the symbolic notation and I have defined both x and f(x) as symbolic functions like this syms x f(x)...

8 years 前 | 1 个回答 | 0

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Difference between D(f)(x) and diff(f(x),x)
Hello, So, I'm using the symbolic notation and I have defined both x and f(x) as symbolic functions like this syms x f(x...

8 years 前 | 0 个回答 | 0

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Solving an implicit second order differential equation matrix with numerical data
So, here's an abridged version my problem (see attached file ODELoop1.pdf). I need to solve a second order differential equation...

8 years 前 | 0 个回答 | 0

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Symbolic three-equation system, three variables to first derivative of each variable in each equation
Hello, I have this symbolic equation system: Eqn1 = A(t)*x(t) + B(t)*y(t) C(t)*z(t) + D(t)*dx(t)/dt + E(t)*dy(t)/dt + F(t)*d...

8 years 前 | 1 个回答 | 0

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