Chapter 10: Matrices
155
det(
det(
(determinant) returns the determinant (a real number) of a square
matrix
.
det(
matrix
)
Transpose
T
(transpose) returns a matrix in which each element (row, column) is swapped with the
corresponding element (column, row) of
matrix
.
matrix
T
Accessing Matrix Dimensions with dim(
dim(
(dimension) returns a list containing the dimensions (
{
rows columns
}
) of
matrix
.
dim(
matrix
)
9: List
4
matr(
Stores a list to a matrix.
0: cumSum(
Returns the cumulative sums of a matrix.
A: ref(
Returns the row-echelon form of a matrix.
B: rref(
Returns the reduced row-echelon form.
C: rowSwap(
Swaps two rows of a matrix.
D: row+(
Adds two rows; stores in the second row.
E:
…
row(
Multiplies the row by a number.
F:
…
row+(
Multiplies the row, adds to the second row.
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