by Thomas Thomsen | Aug 26, 2019 | Programming, Syntax
Regarding functions (both in-built and user-defined) in Gekko 3.0, these implement so-called UFCS (Uniform Function Call Syntax). First, some background. In object-oriented languages, a method has the form x.f(a, b), where x is the object, and f() is the method, with...
by Thomas Thomsen | Jun 7, 2019 | Programming, Syntax
Strings are represented with single quotes in Gekko (for instance: ‘this is a string’). Some languages use double quotes, and other languages allow both variants (or use single quotes for characters, and double quotes for strings). The use of single quotes...
by Thomas Thomsen | May 10, 2019 | Architecture, Dimensions
Array-series have not been described in this blog until now. The concept of array-series arose as a consequence of database integration on the one side, and GAMS integration on the other side. When interfacing with a particular Danish online database...
by Thomas Thomsen | May 3, 2019 | Architecture, Syntax
In Gekko, {}-curlies have been used for quite a long time now. The idea is that variable names can be composed by means of the {}-curlies, creating a means of composing names dynamically, in a sense forwarding from a string to a variable name corresponding to that...
by Thomas Thomsen | May 3, 2019 | Architecture, Syntax
As mentioned in the overview post regarding Gekko 3.0, lists were generalized in Gekko 3.0, using primarily Python as the inspiration. In Gekko 2.x, lists could only contain strings, so in that sense, they were quite simple. Gekko 3.0 allows any variable to be an...
by Thomas Thomsen | May 1, 2019 | Architecture, Data management, History, Syntax
The official Gekko 3.0 is now released. This is a long post, but the intent is to try to explain what Gekko 3.0 really is about. Which is actually not so easy to boil down exactly: it is perhaps best to think of it as a long-term vision, borne out of the realization...
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