matlab每日学习 reshape 函数

最新推荐文章于 2024-09-03 20:09:45 发布

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本文详细介绍了如何使用RESHAPE函数来改变数组的形状，包括按指定维度重塑数组的方法及特殊情况处理，如使用空缺维度([])时的计算规则。

RESHAPE Reshape array.
   RESHAPE(X,M,N) returns the M-by-N matrix whose elements
    are takencolumnwise from X. An error results if Xdoes
    not have M*Nelements.

   RESHAPE(X,M,N,P,...) returns an N-D array with the same
    elements asX but reshaped to have the size M-by-N-by-P-by-...
    M*N*P*...must be the same as PROD(SIZE(X)).

    RESHAPE(X,[MN P ...]) is the same thing.

   RESHAPE(X,...,[],...) calculates the length of the dimension
    representedby [], such that the product of the dimensions
    equalsPROD(SIZE(X)). PROD(SIZE(X)) must be evenly divisible
    by theproduct of the known dimensions. You can use only one
    occurrenceof [].

    In general,RESHAPE(X,SIZ) returns an N-D array with the same
    elements asX but reshaped to the size SIZ. PROD(SIZ) mustbe
    the same asPROD(SIZE(X)).