diff --git a/.gitignore b/.gitignore
index ff08017..c1212bd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,6 +14,7 @@ doc/*.css
 doc/*.js
 auto/*
 tmp/*
+tmp
 /doc/*.aux
 /doc/*.bbl
 /doc/*.blg
@@ -36,4 +37,5 @@ tmp/*
 /doc/QDistRnd.xml
 /doc/title.xml
 /doc/manual.lab
-/doc/manual.six
\ No newline at end of file
+/doc/manual.six
+/matrices/n5_q3_complex.mtx
\ No newline at end of file
diff --git a/examples/cyclic.g b/examples/cyclic.g
index 6869ce9..ca6d129 100644
--- a/examples/cyclic.g
+++ b/examples/cyclic.g
@@ -2,7 +2,8 @@
 #! codes of length 15 over $GF(8)$, with stabilizer generators of weight 6, 
 #! by going over 10000 random
 #! polynomials of each degree from 4 to 15.  It takes just a couple minutes on a
-#! typical notebook. 
+#! typical notebook.
+AUTODOC_CreateDirIfMissing("tmp");;
 q:=8;; F:=GF(q);; wei:=6;; x:=Indeterminate(F,"x");; n:=15;;
 dmax:=0*[1..n];  # record the max degrees for the reference 
 for deg in [wei-1..n-1] do # polynomial degree
diff --git a/examples/examples.g b/examples/examples.g
index d813153..67a8fff 100644
--- a/examples/examples.g
+++ b/examples/examples.g
@@ -19,12 +19,11 @@ Display(mat);
 #!  . 2 2 . . . 1 . . 1
 d:=DistRandStab(mat,100,1,0 : field:=F,maxav:=20/n);
 #! 3
-AUTODOC_CreateDirIfMissing("tmp");;
-WriteMTXE("tmp/n5_q3_complex.mtx",3,mat,
+WriteMTXE("matrices/n5_q3_complex.mtx",3,mat,
         "% The 5-qubit code [[5,1,3]]_3",
         "% Generated from h(x)=1+x^3-x^5-x^6",
         "% Example from the QDistRnd GAP package"   : field:=F);
-#! File tmp/n5_q3_complex.mtx was created
+#! File matrices/n5_q3_complex.mtx was created
 #! @EndExample
 
 #! Here is the contents of the resulting file which also illustrates
@@ -66,7 +65,7 @@ WriteMTXE("tmp/n5_q3_complex.mtx",3,mat,
 #! Notice that a `pair=2` or `pair=3` matrix is always converted to `pair=1`, i.e., with $2n$
 #! intercalated columns $(a_1,b_1,a_2,b_2,\ldots)$. 
 #! @BeginExample
-lis:=ReadMTXE("tmp/n5_q3_complex.mtx");;  
+lis:=ReadMTXE("matrices/n5_q3_complex.mtx");;  
 lis[1]; # the field 
 #! GF(3)
 lis[2]; # converted to `pair=1`
diff --git a/tmp/n5_q3_complex.mtx b/tmp/n5_q3_complex.mtx
deleted file mode 100644
index 7bf8a8e..0000000
--- a/tmp/n5_q3_complex.mtx
+++ /dev/null
@@ -1,23 +0,0 @@
-%%MatrixMarket matrix coordinate complex general
-% Field: GF(3)
-% The 5-qubit code [[5,1,3]]_3
-% Generated from h(x)=1+x^3-x^5-x^6
-% Example from the QDistRnd GAP package
-% Values Z(3) are given
-4 5 16
-1 1 1 0
-1 2 0 1
-1 3 0 2
-1 4 2 0
-2 2 1 0
-2 3 0 1
-2 4 0 2
-2 5 2 0
-3 1 2 0
-3 3 1 0
-3 4 0 1
-3 5 0 2
-4 1 0 2
-4 2 2 0
-4 4 1 0
-4 5 0 1
diff --git a/tst/qdistrnd01.tst b/tst/qdistrnd01.tst
index 07d954a..9b2f5c7 100644
--- a/tst/qdistrnd01.tst
+++ b/tst/qdistrnd01.tst
@@ -10,7 +10,7 @@
 #
 gap> START_TEST( "qdistrnd01.tst");
 
-# doc/_Chapter_Examples.xml:20-38
+# doc/_Chapter_Examples.xml:20-37
 gap> q:=3;; F:=GF(q);; 
 gap> x:=Indeterminate(F,"x");; poly:=One(F)*(1+x^3-x^5-x^6);;
 gap> n:=5;;
@@ -22,15 +22,14 @@ gap> Display(mat);
  . 2 2 . . . 1 . . 1
 gap> d:=DistRandStab(mat,100,1,0 : field:=F,maxav:=20/n);
 3
-gap> AUTODOC_CreateDirIfMissing("tmp");;
-gap> WriteMTXE("tmp/n5_q3_complex.mtx",3,mat,
+gap> WriteMTXE("matrices/n5_q3_complex.mtx",3,mat,
 >         "% The 5-qubit code [[5,1,3]]_3",
 >         "% Generated from h(x)=1+x^3-x^5-x^6",
 >         "% Example from the QDistRnd GAP package"   : field:=F);
-File tmp/n5_q3_complex.mtx was created
+File matrices/n5_q3_complex.mtx was created
 
-# doc/_Chapter_Examples.xml:80-91
-gap> lis:=ReadMTXE("tmp/n5_q3_complex.mtx");;  
+# doc/_Chapter_Examples.xml:79-90
+gap> lis:=ReadMTXE("matrices/n5_q3_complex.mtx");;  
 gap> lis[1]; # the field 
 GF(3)
 gap> lis[2]; # converted to `pair=1`
@@ -41,7 +40,7 @@ gap> Display(lis[3]);
  2 . . . 1 . . 1 . 2
  . 2 2 . . . 1 . . 1
 
-# doc/_Chapter_Examples.xml:114-122
+# doc/_Chapter_Examples.xml:113-121
 gap> filedir:=DirectoriesPackageLibrary("QDistRnd","matrices");;
 gap> lisX:=ReadMTXE(Filename(filedir,"QX80.mtx"),0);;
 gap> GX:=lisX[3];;