Type: Function
Description: Gas Compressibility Z Factor Function: Calculates the gas compressibility correction factor for
xTr is the reduced temperature: the ratio of the actual temperature (T) to the pseudocritical temperature (Tc). (Calculate the ratio using absolute temperatures.) xTr must be between 1.05 and 3.0.
yPr is the reduced pressure: the ratio of the actual pressure (P) to the pseudocritical pressure (Pc). yPr must be between 0 and 30.
| xTr and yPr must be real numbers or unit objects that reduce to dimensionless numbers. | ||||
Access: | …µZFACTOR |
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Flags: | Numerical Results |
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Input/Output: |
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| Level 2/Argument 1 | Level 1/Argument 2 |
| Level 1/Item 1 |
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| xTr | yPr | → | xZfactor |
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| xTr | 'symb' | → | 'ZFACTOR(xTr,symb)' |
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| 'symb' | yPr | → | 'ZFACTOR(symb,yPr)' |
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| 'symb1' | 'symb2' | → | 'ZFACTOR(symb1,symb2)' |
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| ZVOL | Command |
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Type: |
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Description: | Z Volume Coordinates Command: Sets the height of the view volume in the reserved variable | ||||
| VPAR. |
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| xlow and xhigh are real numbers that set the | ||||
| These values are stored in the reserved variable VPAR. |
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Access: | …µZVOL |
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Input/Output: |
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| Level 2/Argument 1 | Level 1/Argument 2 |
| Level 1/Item 1 |
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| xlow | xhigh | → |
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See also: | EYEPT, XVOL, XXRNG, YVOL, YYRNG |
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Type: Function
Description: Power Analytic Function: Returns the value of the level 2 object raised to the power of the level 1
object. This can also apply to a square matrix raised to a
The branch cuts and inverse relations for wz are determined by this relationship: wz = exp(z(ln w))
Access: Q
Flags: Principal Solution
Full Command and Function Reference