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Question description
TITLE project ( DEVELOPING NONLINEAR EWMA CONTROL CHART)
This code matlab for EWMA .
I want develop that by polynomial EWMA(cubic polynomial)
Code matlab (attach file) for EWMA
function smoothed_z = EWMANL(z,L,a,b,zo)
%
% Computes the exponentially weighted moving average (with memory L) of
% input data z, with the addition of an embedded nonlinear computation
% that can be used to account for time-varying parameters
%
lambda = 0.1;
smoothed_z = zeros(size(z));
for i = 1:size(z,1);
for j = 2:size(z,2);
smoothed_z(i,i) = lambda * z(i) + (1-lambda)* 10;
smoothed_z(i,j) = lambda * z(i,j) + (1-lambda) * smoothed_z(i,j-1)
end
end
The fundamental equation for EMWA is
⦁ Develop EWMA to new model (Depending on the polynomial ) ( by matlab can use code Above )
⦁ (The new model is called poly-EWMA)
⦁ I want get the equation for new model (Poly-EWMA )
⦁ I want get control limit for both (EWMA and new Model) at table 1,2 (result and figure) . With a discussion of the difference between them
⦁ I want get ( ARL -Average Run Length and SDAR ) FOR EWMA and Poly- EWMA at
table 1 , 2 (attach files) . (result and figure) . With a discussion of the difference between them
⦁ I want to prove the Poly-EWMA better than EWMA ..
Way of writing chapter
⦁ Methodology (1/2 page)
⦁ Empirical Data (1 pages)
⦁ Results Of Empirical Data (1pages)
⦁ CONCLUSION(1/4 pages)
MATERIALS
develop__ewma_control_chart_for_time.docx