# Simon Hoof

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## Activity overview

Latest activity by Simon Hoof
• Simon Hoof created a post,

### m.getAttr('X', x) gives warning

I'm solving the following MWE:  import gurobipy as gpfrom gurobipy import GRB# ParameterN = (1, 2)M = (1, 2)c = {'x': {1:  2, 2:  1},     'y': {1:  3, 2: -1},}A = {'x': {(1, 1):  1, (1, 2):  2,    ...

• Simon Hoof created a post,

### tupledict.select() does not work as expected

Consider the following MWE: import gurobipy as gpd = gp.tupledict([    ((('AT','CH'),('BE','AT')), 1),    ((('AT','CH'),('BE','DE')), 2),    ((('AT','DE'),('BE','DE')), 3),   ])   print(d.select((...

• Simon Hoof commented,

Dear Jaromił, I was assuming that it does not matter. To provide perspective: I was wondering whether tolerance $$\varepsilon$$ is one-sided w.r.t. bounds in the sense that Variant 1 is satiesfied ...

• Simon Hoof created a post,

### Is a bound a constraint?

Let $$T \subset \mathbb N$$ denote time, and $$x : T \to \mathbb R$$ a function (the variable). For some subset  $$T_0 \subseteq T$$, I require $$x(t) = 0$$ for all $$t \in T_0$$. I was wondering i...