Normal Matrix Operations - Sharp EL-9900 Operation Manual

Chapter 8: Matrix Features

3. Normal Matrix Operations

Many calculations can be made between a matrix and a real number or between
matrices.
Examples of each calculation are as follows:
+
Matrix Matrix
–
Matrix Matrix
×
Matrix Matrix
Square of
Matrix
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To add or subtract matrices, the dimensions must be the same.
Example
1. Press # C.
2. Press @ m A
1 + @ m
A 2
3. Press E.
To multiply two matrices, the column dimension of the first matrix
must match the row dimension of the second matrix.
Example
1. Press # C.
2. Press @ m A
1 | @ m
A 2
3. Press E.
To obtain the square of a matirx:
Example
1. Press # C.
2. Press @ m A
1 y
3. Press E.