Hp 49g Graphing Calculator Manual de usuario Pagina 166

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Matrix arithmetic
In matrix arithmetic, you need to enter one or more matrices. You can
enter a matrix:
® using Matrix Writer
® by typing it on the command line
® by selecting it from history, or
® by recalling the variable name associated with it.
Adding or subtracting two matrices
1. Enter the first matrix.
2. Press 0 or Q.
3. Enter the second matrix.
The second matrix must have the same dimensions as the first.
4. Press (ENTER).
Each element in the second matrix is added, or subtracted, from the
corresponding element in the first matrix.
Multiplying or dividing a matrix by a scalar
1. Enter the matrix.
See page 2-4 for information on selecting a matrix from history.
2. Press ® or ©.
3. Enter the scalar.
4. Press (H).
Each element in the matrix is multiplied by, or divided by, the scalar.
Page 8-10 Vectors, Lists, arrays, and matrices
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