matlab GM(1,1)画出曲线图

function y=gm() %??????a(????)?b(????) syms a b; c = [a b]'; %???? A A = [41462, 28969, 32251, 47694, 32265, 27819, 33539, 36994];%VA % A2=[70999 71282 85415 93747 101423 109150 115276 119349];%OH %

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