Syntax

Ltranche function applied to a Linear function:

 

ltranche(matrix,vector_param)

short call;

ltranche_name(matrix,vector_param)

call with optional name.

 

Parameters

matrix        is a Matrix of Scenarios:

       

 

vector_param        is a vector:

       

where

l = attachment point of a tranche, u = detachment point of a tranche,

.

 

Mathematical Definition

Ltranche function is a vector function with components:

, ,

where

, are scenario benchmarks projected to tranche on scenario ;

, are gains projected to tranche on scenario ;

, are gains on scenario ;

is an argument of Ltranche function.

 

Example

Calculation in Run-File Environment

 

See also

Loss, GainSum of Splines Operator