diff --git a/source/linear-algebra/exercises/outcomes/MX/MX2/template.xml b/source/linear-algebra/exercises/outcomes/MX/MX2/template.xml index a575c7d38..ad4a899bd 100644 --- a/source/linear-algebra/exercises/outcomes/MX/MX2/template.xml +++ b/source/linear-algebra/exercises/outcomes/MX/MX2/template.xml @@ -25,10 +25,10 @@ discussing its corresponding linear transformation.

-{{label}} is invertible. +{{label}} is invertible because it is a bijective transformation. -{{label}} is not invertible. +{{label}} is not invertible because it is not a bijective transformation.

@@ -62,9 +62,8 @@ be done without using technology.)

-Show how to compute each column of the inverse matrix -by solving an appropriate vector equation (that is, computing RREF -of an appropriate augmented matrix). +Explain and demonstrate how to solve {{label}} \vec x = \vec e_i for i=1,2,3,4 to obtain +each column {{label}}^{-1}\vec e_i of the inverse matrix {{label}}^{-1}. N/A