User Manual

2-53
• Determination of the angle formed by two vectors
• Determination of the unit vector
About Vector Answer Memory (VctAns)
The calculator automatically stores vector calculation results in Vector Answer Memory. Note
the following precautions about Vector Answer Memory.
• Whenever you perform a vector calculation, the current Vector Answer Memory contents are
replaced by the new result. The previous contents are deleted and cannot be recovered.
• Inputting values into a vector does not affect Vector Answer Memory contents.
• Vector calculation results are also stored in Matrix Answer Memory (MatAns).
k Inputting and Editing a Vector
Pressing 1('MAT)6(M↔V) displays the Vector Editor screen. Use the Vector Editor to
input and edit vectors.
m × n ... m (row) × n (column) vector
None ... no vector preset
• {DEL}/{DEL
•
A} ... deletes {a specific vector}/{all vectors}
• {DIM} ... specifies the vector dimensions (
m rows × 1 column or 1 row × n columns)
• {M↔V} ... displays the Matrix Editor screen (page 2-39)
Vector input and editing, and vector cell (element) operations are the same as matrix
calculation operations. For more information, see “Inputting and Editing Matrices” (page 2-39)
and “Matrix Cell Operations” (page 2-40). Note, however, that vector calculations differ from
matrix calculations as described below.
•
On the vector memory element input screen, there is no 1
(R
•
OP) in the function menu.
• For vector editing, the dimension always limited to
m rows × 1 column or 1 row × n columns.
k Vector Calculations [OPTN]-[MAT]
Use the vector command menu to perform vector calculations.
u To display vector commands
1. From the Main Menu, enter the RUN
•
MAT mode.
2. Press K to display the option menu.
3. Press 2(MAT)6(g)6(g) to display the vector command menu.
• {Vct} ... {Vct command (vector specification)}
• {DotP} ... {DotP command (dot product command)}
• {CrsP} ... {CrossP command (cross product command)}
• {Angle} ... {Angle command (calculate the angle formed by two vectors)}
• {UntV} ... {UnitV command (calculate the unit vector)}
• {Norm} ... {Norm command (calculate the vector norm (size))}