HP 49G User Manual page 153

EGV
⋅ ⋅ ( )
A EVec EVec diag EVal –
------------------------------------------------------------------------------ -
⋅
n A
Level 1/Argument 1 Level 2/Item 1 Level 1/Item 2
→
6 @Wrp @Why
EGVL
Level 1/Argument 1 Level 1/Item 1
→
6 @Why
Command Reference: Part B (1.1) 1-153