numpy.ma.argmin(a, axis=None, fill_value=None)

numpy.savetxt(fname, X, fmt='%.18e', delimiter=' ', newline='\n', header='', footer='', comments='# ')

chararray.islower()

numpy.var(a, axis=None, dtype=None, out=None, ddof=0, keepdims=False)

numpy.all(a, axis=None, out=None, keepdims=False)

numpy.diag_indices_from(arr)

numpy.tril(m, k=0)

numpy.core.defchararray.istitle(a)

numpy.seterrcall(func)

numpy.square(x[, out]) = Return the element-wise square of the input.