Companion matrix of a linear homogeneous ordinary differential equation
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ode::companionSystem(Ly, y(x)) returns the
companion matrix associated to
Ly. If the optional
R is given, the elements of the matrix
We compute the companion matrix of the following differential equation:
Ly := 4*x^2*diff(y(x),x$3)+diff(y(x),x$2)+4*x*diff(y(x),x)-y(x)
A linear homogeneous ordinary differential equation.
The dependent function of
A field of functions or numbers of characteristic zero, default
Object of type