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Multiplying A Matrix And A Vector - HP -28S Manual

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To calculate this matrix product:
Enter the first matrix.
rn rn
2,2
rn
4,1
rn
2,3
0 : : 1
E:::CN=TE=R"I
Key in the second matrix.
rn rn
2,2,1.4
rn
3.4,2,1
Multiply the matrices.
o
1: [[ 2 2 ]
[ 4 1 ]
[ 2 3 ]]
DimDDlIlDllEIlllmImmIm
1: [[
2 2 ]
[ 4 1 ]
[[2,2,1,4[3,4,2,10
DimDDlIlDllEIlllmImmIm
1: [[ 10 12 6 10 ]
[ 11 12 6 17 ]
[ 13 16 8 11 ]]
DimDDlIlDllEIlllmImmIm
Multiplying a Matrix and a Vector
The order of the arguments is important when multiplying a matrix
and a vector. The matrix must be in level 2, and the vector must be in
level 1. The number of
columns
in the matrix must equal the number
of
elements
in the vector.
For the next example, multiply the matrix currently in level 1 by the
vector [ 3 1 1 2].
Key in the vector.
rn
3,1,1,2
Multiply the matrix and vector.
o
1: [[ 10 12 6 10 ]
[ 11 12 6 17 ]
[3,1,1,20
DimDDlIlDllEIlllmImmIm
3:
-619
2:
1
1:
[ 68 85 85 ]
DimDDlIlDllEIlllmImmIm
11: Vectors and Matrices
129

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