matlab分数阶微分

MATLAB中可以用Grünwald-Letnikov方法来计算分数阶微分。可以使用以下函数来实现这个计算：

function dy = glfdiff(y,t,gam)
    if strcmp(class(y),'function_handel')
        y = y(t);
    end
    h = t(2)-t(1);
    w = 1;
    y = y(:);
    t = t(:);
    for j = 2:length(t)
        w(j) = w(j-1)*(1-(gam-1)/(j-1));
#### 引用[.reference_title]
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