RiccatiSolve[{a, b}, {q, r}] gives the matrix x that is the stabilizing solution of the continuous algebraic Riccati equation ConjugateTranspose[a].x + x.a - ...
KroneckerProduct[m_1, m_2, ...] constructs the Kronecker product of the arrays m_i.
Mathematica 8 adds major new areas, including probability and statistics, graphs and networks, computational finance, control systems, wavelet analysis, and group theory. ...
DifferentialRoot[lde] represents a function that solves the linear differential equation specified by lde[y, x].
JacobiCD[u, m] gives the Jacobi elliptic function cd(u | m).
JacobiCS[u, m] gives the Jacobi elliptic function cs(u | m).
JacobiDC[u, m] gives the Jacobi elliptic function dc(u | m).
JacobiNC[u, m] gives the Jacobi elliptic function nc(u | m).
JacobiNS[u, m] gives the Jacobi elliptic function ns(u | m).
JacobiSC[u, m] gives the Jacobi elliptic function sc(u | m).