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嗨，我有以下内容：

b = cellfun(@(x) sum(cross(u{1},x)),r,'UniformOutput',false);

我想省略总和并更改为：

b = cellfun(@(x) cross(u{1},x),r,'UniformOutput',false);

但是我得到的错误：

??? Error using ==> reshape
To RESHAPE the number of elements must not change.

Error in ==> cellcross at 4
    bres = reshape(bmat,size(grid'));    %reshape the get columns of bfield vectors in x y z format

原因是我不认为我在正确的地方求和。我想做 sum(cross(u{1},r{1}))....sum(cross(u{1},r{n})) 但结果似乎没有这样做。

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