diff options
Diffstat (limited to 'matrix/init.lua')
| -rw-r--r-- | matrix/init.lua | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/matrix/init.lua b/matrix/init.lua index 7bbc6a4..1a8925f 100644 --- a/matrix/init.lua +++ b/matrix/init.lua @@ -27,6 +27,23 @@ function nerv.Matrix:__tostring__() return table.concat(strt) end +-- gen: a function takes take indices of the matrix and return the generated +-- all entrys in the matrix will be assigned by calling gen(i, j) +function nerv.Matrix:generate(gen) + if (self:nrow() == 1) then + for j = 0, self:ncol() - 1 do + self[j] = gen(j) + end + else + for i = 0, self:nrow() - 1 do + local row = self[i] + for j = 0, self:ncol() - 1 do + row[j] = gen(i, j) + end + end + end +end + nerv.MMatrixInt.fmt = "%d " function nerv.CuMatrix:__add__(b) |