HP Prime Graphing Wireless Calculator Manual de usuario Pagina 577

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Negating each element
You can change the sign of each element in a matrix by pressing , entering the matrix name, and
pressing .
Solving systems of linear equations
You can use matrices to solve systems of linear equations, such as the following:
2x+3y+4z=5
x+y–z=7
4x–y+2z=1
In this example we will use matrices M1 and M2, but you could use any available matrix variable name.
In this example we will use matrices M1 and M2, but you could use any available matrix variable name.
1. Open the Matrix Catalog, clear M1, choose to create a vector, and open the Matrix Editor:
[press or to select M1
Solving systems of linear equations 529
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