Input/Output:
Level 1/Argument 1 |
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x | → | 'a/b*̟' |
x | → | 'a/b' |
'symb1' | → | 'symb2' |
(x,y) | → | 'a/b*̟ + c/d*̟*i' |
(x,y) | → | 'a/b + c/d*i' |
Example: | In Fix mode | to three decimal places, 6.2832 →Qπ returns '44/7'. In Standard mode, | |||||
| however, 6.2832 →Qπ returns '3927/625'. |
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See also: | →Q, /, XQ, π |
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qr | Command |
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Type: |
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Description: | qr Factorization of a square Matrix Command: Returns the qr factorization of an n × n matrix. | ||||||
| qr factors an n × n matrix A into two matrices: |
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| • Q is an n × m orthogonal matrix. |
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| • R is an n × n triangular matrix. |
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| Where A = Q × R. |
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Access: | !ØFACTORIZATION qr | (Ø is the | |||||
Input/Output: |
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| Level 1/Argument 1 |
| Level 2/Item 1 | Level 1/Item 2 |
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| [[ matrix ]]A | → | [[ matrix ]]Q | [[ matrix ]]R |
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See also: | LQ, LSQ |
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QR | Command |
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Type: |
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Description: | QR Factorization of a Matrix Command: Returns the QR factorization of an m × n matrix. | ||||||
QR factors an m × n matrix A into three matrices:
•Q is an m × m orthogonal matrix.
•R is an m × n upper trapezoidal matrix.
•P is a n × n permutation matrix. Where A × P = Q × R.
Access: | !ØFACTORIZATION QR |
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| !´MATRIX FACTORS QR |
| ( ´is the | |||
Input/Output: |
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| Level 1/Argument 1 |
| Level 3/Item 1 | Level 2/Item 2 | Level 1/Item 3 |
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| [[ matrix ]]A | → | [[ matrix ]]Q | [[ matrix ]]R | [[ matrix ]]P |
See also: | LQ, LSQ |
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| QUAD | Command |
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Type: |
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Description: | Solve Quadratic Equation Command: This command is identical to the computer algebra | |||||
| command SOLVE, and is included for backward compatibility with the HP 48G series. | |||||
Access: | …µQUAD |
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Flags: | Principal Solution |
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