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[求助]
麻煩大神賜教!請問這個(gè)問題可以用最優(yōu)化matlab求解嗎?
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畢設(shè)急用,如果可以,請大神幫忙貼下代碼 萬分感謝! 1)這是函數(shù)文件(求Tfile4的最小值): function Tfile4 = mytest(x,y,z) Lfile =0.6*(10^6); Tprop=10 Rdata=250000; Lz_header=10; % 4+4 Lmac_header = 42; % mac 14,IP 20,udp 8; Lseg=z + Lmac_header; Lseg_payload = z - Lz_header; Lcp=Lseg; Lrs=70; x_head=40; Nbundle = floor(y/(x+x_head)) Lblock = Nbundle*(x+x_head) %Nblock=ceil(Lfile/Lblock) Nblock=(Lfile/Lblock) Nseg = ceil(Lblock./Lseg_payload) Tseg=Lseg./Rdata; ber=10^(-5); Pseg=1-(1-ber).^(Lseg*8) Pcp=1-(1-ber).^(Lcp*8); E=0; E_block=0; Smax=20; for s = 2:Smax p=0; for t = 0:s-1 for m = 0:t-1 p = p + nchoosek(t-1,m)*(Pcp.^m).*((1-Pcp).^(t-m)).*((1-Pseg.^(t-m)).^(Nseg-1)-(1-Pseg.^(t-m-1)).^(Nseg-1)); end end E = E+ (1-p.^Nblock); end E_block = E + 1 Tprop_totoal = (E_block-0.5).*2*Tprop Tfile4 = ((Nblock+1)/2 + Pseg.*(1-Pseg.^(E_block-1))./(1-Pseg)).*Nseg.*Tseg+(E_block-0.5).*2*Tprop 2)約束條件: 1000≤x≤600000 50000≤y≤500000 576≤z≤1400 y≥x+40 x,y,z 均為正整數(shù) |
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