Spectral Mixture for Remote Sensing by Yosio Edemir Shimabukuro & Flávio Jorge Ponzoni

Author:Yosio Edemir Shimabukuro & Flávio Jorge Ponzoni
Language: eng
Format: epub
ISBN: 9783030020170
Publisher: Springer International Publishing

The function to be minimized is:

(4.18)

To find the minimum, the partial derivatives are calculated and equated to zero:

Solving for x1, x2, and x3, the system of linear equations can be formulated as:

Using a numerical method to solve the system of linear equations (Burden et al. 1981; Conte and De Boor 1980), the minimum not restricted can be obtained. Thus, there are nine possible outcomes (Table 4.6).Table 4.6Possible outcomes or the solution of system of equations

Outcome

x 1

x 2

x 3

Inside the region

Values to be recalculated

x 4

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