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integ2d

Approximate 2-D integral.

Calling Sequence

SOM=integ2d(MAT)
SOM=integ2d(MAT,X)
SOM=integ2d(MAT,X,Y)

Parameters

MAT :

MxN matrix to be integrated

X :

N-vector indicating the abscissa integration path (default : 1:N)

Y :

M-vector indicating the ordinate integration path (default : 1:M)

SOM :

result of integration

Description

integ2d approximates the 2-D integral of matrix MAT according to abscissa X and ordinate Y.

Initial version assumes X sampled with a constant step

Examples

S = altes(256,0.1,0.45,10000) ;
[TFR,T,F] = tfrscalo(S,21:190,8,0.1,0.35,256) ;
E = integ2d(TFR,T,F)

See also

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