The following are commands and functions for matrices:
* Adjoint -- adjoint matrix
* BlockMatrix -- create a block matrix
* BringIn -- bring in objects from another ring
* ColumnVectors -- the list of column vectors of a matrix
* DegLexMat, DegRevLexMat, LexMat, XelMat -- matrices for std. term-orderings
* Det -- the determinant of a matrix
* Identity -- the identity matrix
* Inverse -- multiplicative inverse
* IsZero -- test whether an object is zero
* Jacobian -- the Jacobian of a list of polynomials
* Len -- the length of an object
* LinKer -- find the kernel of a matrix
* LinSol -- find a solution to a linear system
* List -- convert an expression into a list
* Mat -- convert an expression into a matrix
* Minors -- list of minor determinants of a matrix
* NewMat -- create a new matrix
* Pfaffian -- the Pfaffian of a skew-symmetric matrix
* Product, Sum -- the product or sum of the elements of a list
* Size -- the amount of memory used by an object
* Submat -- submatrix
* TensorMat -- returns the tensor product of two matrices
* Toric -- saturate toric ideals
* Toric.CheckInput -- check input to 'Toric'
* Transposed -- the transposition of a matrix
Details can be found by looking up each item by name. Online, try
'?ItemName' or 'H.Syntax("ItemName")'.
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