
Functions and commands 209
Example:
sturmseq(x^3-1,x) gives [1 [[1 0 0 -1] [3 0 0] 9] 1]
subMat Extracts from a matrix a sub matrix whose diagonal is defined
by four integers. The first two integers define the row and
column of the first element and the last two integers define the
row and column of the last element of the sub matrix.
subMat(Matrix, Int1, Int2, Int3, Int4)
Example:
subMat returns
suppress Given a list and an element, deletes the first occurrence of the
element in the list (if there is one) and returns the result.
suppress(List, Element)
Example:
suppress([0 1 2 3 2],2) returns [0 1 3 2]
surd Given an expression and an integer n, returns the expression
raised to the power 1/n.
surd(Expr, Integer)
Example:
surd(8,3) gives 2
sylvester Returns the Sylvester matrix of two polynomials.
sylvester(Poly1, Poly2, Var)
Example:
sylvester(x
2
-1,x
3
-1,x) gives
table Defines an array where the indexes are strings or real
numbers.
table(SeqEqual(index_name=element_value))
10 1– 00
01 0 1– 0
00 1 0 1–
10 0 1– 0
01 0 0 1–
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