Strange result from the matrix.@row() function
Posted: Wed Oct 30, 2024 9:51 am
Dear Eviews team,
I use Eviews 13 October 2022 build.
Why is that the matrices m1 m1a in the code example below are of dimension 3X1 rather than 1X3?
I would expect the extraction of a row from a 3X3 matrix to yield a matrix of dimension 1X3
I use Eviews 13 October 2022 build.
Why is that the matrices m1 m1a in the code example below are of dimension 3X1 rather than 1X3?
I would expect the extraction of a row from a 3X3 matrix to yield a matrix of dimension 1X3
Code: Select all
wfcreate u 1 1
matrix x=@unvec(@range(1,9),3) 'create a 2X2 matrix
vector v1=1
vector v2=@range(1,2)
' Extraction of the first two rows of matrix x yields a 2X3 matrix, as expected
matrix m2=x.@row(v2)
show m2
' Extraction of the first row of matrix x yields a 3X1 matrix, unexpectedly so!
matrix m1=x.@row(v1)
show m1
' Same here, a 3X1 matrix, unexpectedly so!
matrix m1a=x.@row(2)
show m1a