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    Returns the standard deviation of an array. This function works column-wise by default.

    Syntax

    y = std(x)
    y = std(x, w)
    y = std(x, w, d)

    Inputs

    x

    Scalar or array of any dimension.

    w

    Scalar.

    d

    Dimension of x across which to calculate the standard deviation. d can be in a range of 1 to the maximum supported array dimension (32). If you do not specify d, the function works with the first dimension whose size is not equal to 1.

    Outputs

    y

    Standard deviation of x. y is a scalar or an array.