bmat(obj, ldict=None, gdict=None)
Input data. If a string, variables in the current scope may be referenced by name.
A dictionary that replaces local operands in current frame. Ignored if :None:None:`obj` is not a string or :None:None:`gdict` is None.
A dictionary that replaces global operands in current frame. Ignored if :None:None:`obj` is not a string.
Returns a matrix object, which is a specialized 2-D array.
Build a matrix object from a string, nested sequence, or array.
block
A generalization of this function for N-d arrays, that returns normal ndarrays.
>>> A = np.mat('1 1; 1 1')
... B = np.mat('2 2; 2 2')
... C = np.mat('3 4; 5 6')
... D = np.mat('7 8; 9 0')
All the following expressions construct the same block matrix:
>>> np.bmat([[A, B], [C, D]]) matrix([[1, 1, 2, 2], [1, 1, 2, 2], [3, 4, 7, 8], [5, 6, 9, 0]])
>>> np.bmat(np.r_[np.c_[A, B], np.c_[C, D]]) matrix([[1, 1, 2, 2], [1, 1, 2, 2], [3, 4, 7, 8], [5, 6, 9, 0]])
>>> np.bmat('A,B; C,D') matrix([[1, 1, 2, 2], [1, 1, 2, 2], [3, 4, 7, 8], [5, 6, 9, 0]])See :
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