Description
The basic Sage command to enter the vector
(1)is v = vector(QQ, 4, [1, 1/2, 1/3, 1/4]). QQ designates that the vector is over the rationals.
Sage Cell
Code
v = vector(QQ, 4, [1, 1/2, 1/3, 1/4])
v
Options
Option
The number of coordinates in the vector v can be calculated with the Sage command v.degree().
Code
v = vector(QQ, 4, [1, 1/2, 1/3, 1/4])
v.degree()
Option
The parent field of the vector v is given by vparent().
Code
v = vector(CC, 4, [1, 1/2, 1/3, 1/4])
v.parent()
Option
The Sage command v[2], returns the third entry in the vector v. Sage counts array entries beginning with zero and not one.
Code
v = vector(QQ, 4, [1, 1/2, 1/3, 1/4])
v[2]
Option
The command zero_vector generates the zero vector.
Code
z = zero_vector(QQ, 5)
z
Tags
CC: math.la.i.vec.coord
Primary Tags: Linear Algebra: Vectors, Multivariable Calculus: Vector geometry.
Secondary Tags: Vectors: Vectors and vector arithmetic, Vector geometry: Vectors and vector arithmetic.
Related Cells
None
Attribute
Permalink: http://linear.ups.edu/html/section-RREF.html
Author: R. Beezer
Date: 24 Jul 2017 14:41
Submitted by: Tom Judson