History of Idiom 26 > diff from v42 to v43
Edit summary for version 43 by programming-idioms.org:
[Lua] Variable name x
[Lua] Variable name x
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Version 42
2018-06-24, 10:24:17
Version 43
2018-06-24, 10:27:14
Idiom #26 Create a 2-dimensional array
Declare and initialize a matrix x having m rows and n columns, containing real numbers.
Idiom #26 Create a 2-dimensional array
Declare and initialize a matrix x having m rows and n columns, containing real numbers.
Comments bubble
Use metatable to lazy initialize each row (t1[k1]) and each column (t2[k2]) the first time it's accessed.
See http://www.programming-idioms.org/idiom/27/create-a-3-dimensional-array/1675/lua for a more "standard" way.
Comments bubble
Use metatable to lazy initialize each row (t1[k1]) and each column (t2[k2]) the first time it's accessed.
See http://www.programming-idioms.org/idiom/27/create-a-3-dimensional-array/1675/lua for a more "standard" way.