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Author: dlfivefifty

REQUIRE

@@ -2,4 +2,4 @@ julia 0.6
 BandedMatrices 0.4
 BlockArrays 0.3.1
 Compat 0.41
-FillArrays 0.0.1
+FillArrays 0.1

docs/src/index.md

@@ -37,12 +37,14 @@ For example, if `A` is a `BlockBandedMatrix` with block-bandwidths `(A.l,A.u) ==
 and the block sizes `fill(2, N)` where `N = 3` is the number
 of row and column blocks, then `A` has zero structure
 ```julia
-[ a_11 a_12
-  a_21 a_22
-  a_31 a_32 a_33 a_34
-  a_41 a_42 a_43 a_44  
-            a_53 a_54
-            a_63 a_64 ]
+[ a_11 a_12 │  ⋅    ⋅
+  a_21 a_22 │  ⋅    ⋅
+  ──────────┼──────────
+  a_31 a_32 │ a_33 a_34
+  a_41 a_42 │ a_43 a_44  
+  ──────────┼──────────
+   ⋅    ⋅   │ a_53 a_54
+   ⋅    ⋅   │ a_63 a_64 ]
 ```
 and is stored in memory via `A.data` as a single vector by columns, containing:
 ```
@@ -63,22 +65,25 @@ For example, if `A` is a `BandedBlockBandedMatrix` with block-bandwidths `(A.l,A
 and subblock-bandwidths `(A.λ, A.μ) == (1,0)`, and the block sizes `fill(2, N)` where `N = 3` is the number
 of row and column blocks, then `A` has zero structure
 ```julia
-[ a_11
-  a_21 a_22
-  a_31      a_33
-  a_41 a_42 a_43 a_44  
-            a_53    
-            a_63 a_64 ]
+[ a_11  ⋅   │  ⋅    ⋅
+  a_21 a_22 │  ⋅    ⋅
+  ──────────┼──────────
+  a_31  ⋅   │ a_33  ⋅
+  a_41 a_42 │ a_43 a_44  
+  ──────────┼──────────
+   ⋅    ⋅   │ a_53  ⋅
+   ⋅    ⋅   │ a_63 a_64 ]
 ```
 and is stored in memory via `A.data` as a `PseudoBlockMatrix`, which has block sizes
 2 x 2, containing entries:
+```julia
+[a_11 a_22 │ a_33 a_44
+ a_21  ×   │ a_43  ×  
+ ──────────┼──────────
+ a_31 a_42 │ a_53 a_64
+ a_41  ×   │ a_63  ×   ]
 ```
-[a_11 a_22 a_33 a_44;
- a_21 X    a_43 X   ;
- a_31 a_42 a_53 a_64;
- a_41 X    a_63 X ]
-```
-where `X` is an entry that is not used.
+where `×` is an entry in memory that is not used.
 
 The reasoning behind this storage scheme as that each block still satisfies
 the banded matrix interface.