Fix up doc

Author: Matthias Koeppe

src/doc/en/reference/matrices/index.rst

@@ -94,6 +94,8 @@ objects like operation tables (e.g. the multiplication table of a group).
    sage/matrix/matrix_misc
    sage/matrix/matrix_window
    sage/matrix/misc
+   sage/matrix/misc_mpfr
+   sage/matrix/misc_flint
    sage/matrix/symplectic_basis
    sage/matrix/compute_J_ideal
 

src/sage/matrix/misc.pyx

@@ -31,10 +31,10 @@ hadamard_row_bound_mpfr = \
 
 
 def matrix_integer_sparse_rational_reconstruction(Matrix_integer_sparse A, Integer N):
-    """
+    r"""
     Given a sparse matrix over the integers and an integer modulus, do
     rational reconstruction on all entries of the matrix, viewed as
-    numbers mod N.
+    numbers mod `N`.
 
     EXAMPLES::
 
@@ -327,7 +327,7 @@ def matrix_rational_echelon_form_multimodular(Matrix self, height_guess=None, pr
 
 
 def cmp_pivots(x, y):
-    """
+    r"""
     Compare two sequences of pivot columns.
 
     If `x` is shorter than `y`, return `-1`, i.e., `x < y`, "not as good".

src/sage/matrix/misc_flint.pyx

@@ -18,7 +18,7 @@ from .matrix_rational_dense cimport Matrix_rational_dense
 
 
 def matrix_integer_dense_rational_reconstruction(Matrix_integer_dense A, Integer N):
-    """
+    r"""
     Given a matrix over the integers and an integer modulus, do
     rational reconstruction on all entries of the matrix, viewed as
     numbers mod `N`.  This is done efficiently by assuming there is a

src/sage/matrix/misc_mpfr.pyx

@@ -13,7 +13,7 @@ from .matrix0 cimport Matrix
 
 
 def hadamard_row_bound_mpfr(Matrix A):
-    """
+    r"""
     Given a matrix `A` with entries that coerce to ``RR``, compute the row
     Hadamard bound on the determinant.