15.1.10 Image of a linear function
The
image
command finds a basis for the image of a linear function.
image
takes
A
, a matrix representing a linear function with respect to the standard basis.
image(
A
)
returns a list of vectors that is a basis of the image of the linear function.
Example
image
([[1,1,2],[2,1,3],[3,1,4]])
⎡
⎢
⎣
−1
0
1
0
−1
−2
⎤
⎥
⎦
