All row operations can be performed on your TI.
It is true that, in some cases, it is quicker to do these operations by hand. But, you should practice how to do them on your TI as well.
Start by pressing
2ND then
MATRIX (above the
x–1 button). Use a cursor to select
MATH. Then, move a cursor up to select a syntax.
| Multiply a row by a constant |
Screen Shots |
| Syntax: *row(multiplier, [matrix], row) |
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| Press ENTER. Then, you will see this: |
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This example shows that Row 2 of matrix A is multiplied by –4.
Press ENTER to see the result. |
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| Add a constant multiple of a row to another row |
Screen Shots |
| Syntax: *row+(multiplier, [matrix], row_to_multiply, row_to_add) |
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This example shows that Row 1 of matrix A is multiplied by 3 and added to Row 2.
Press ENTER to see the result. |
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| Swap two rows |
Screen Shots |
Syntax: rowSwap([matrix], row, row)
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This example swaps Row 1 and Row 2 of matrix A.
Press ENTER to see the result. |
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| Add a row to another row |
Screen Shots |
| Syntax: row+([matrix], row, row) |
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This example swaps Row 1 is added to Row 2 of matrix A.
Press ENTER to see the result. |
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