**Parent Command**

all third-level commands in block` > PARAMETER `

**Subcommand**`
- `

**Description**

The parameter to be estimated is a log-normally distributed factor with which the initial TOUGH2 parameter value is multiplied:

**Example**`
> PARAMETER
>> ABSOLUTE permeability
>>> MATERIAL: SAND1 SAND2 SAND3 SAND4 SAND5
>>>> estimate LOG(F)
>>>> INDEX : 1 2 3
>>>> initial GUESS: 0.0 (default)
>>>> RANGE : -3.0 3.0
<<<<
<<<
<<
`

**See Also**`
>>>> LOGARITHM (p) |
>>>> FACTOR (p) |
>>>> VALUE
`

Page updated: July 29, 1997