, shape, nrows, ncols, nobs)[source]

Validate the shape of a possibly time-varying matrix, or raise an exception


name : str

The name of the matrix being validated (used in exception messages)

shape : array_like

The shape of the matrix to be validated. May be of size 2 or (if the matrix is time-varying) 3.

nrows : int

The expected number of rows.

ncols : int

The expected number of columns.

nobs : int

The number of observations (used to validate the last dimension of a time-varying matrix)



If the matrix is not of the desired shape.