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.TH tangent 1 "April 1993" "Scilab Group" "Scilab Function"
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tangent - linearization of a dynamical system at an equilibrium point
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[f,g,newm]=tangent(ff,xe,[ue])
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: a string which gives the name of the Scilab macro which codes the system
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: column vector which gives the equilibrium point for the value ue of the parameter
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: two matrices for the linearised system \fVdxdot=f.dx + g.du\fR
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: A new macro of type [y]=newm(t,x,u) which computes the field of the linearised system (newm(t,xe,ue)=0)
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linearises around the equilibrium point \fV(xe,ue)\fR the vector field of
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the dynamical system given by a Scilab macro \fVff\fR, \fVxdot=ff(t,x,[u])\fR.
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The dynamical system is supposed to be autonomous.