如何总和二维纸浆溶液
我有以下代码切口：
a = range(0, 30)
b = range (0, 88)
Power_consumption = LpVariable.dicts('Power_consumption', (a,b), lowBound=0, upBound=5, cat='Continuous')
...
result= [[]]
for i in a:
for j in b:
print("i:",3, "j:",3, " = ", Power_consumption[i][j].varValue)
result[i][j] = Power_consumption[i][j].varValue
在获得线性编程模型的选择性解决方案后，我想在索引i（i = timeStep，j = device）上总结“ power_ccumpumption”，以便我为每个timeStep“ i”所有设备的功耗。但是，当尝试时，我一直都会获得“ IndexError：列表分配索引范围之外”。所以我想知道我做错了什么，最好的做法是什么？
I have following code cutouts:
a = range(0, 30)
b = range (0, 88)
Power_consumption = LpVariable.dicts('Power_consumption', (a,b), lowBound=0, upBound=5, cat='Continuous')
...
result= [[]]
for i in a:
for j in b:
print("i:",3, "j:",3, " = ", Power_consumption[i][j].varValue)
result[i][j] = Power_consumption[i][j].varValue
After getting the optmimal solution of the Linear Programming Model, I would like to sum up the "Power_consumption" on the index i ( i = timestep, j = device) so that I have for every timestep "i" the power consumption of all devices. But when trying I get all the time "IndexError: list assignment index out of range". So I am wondering what I did wrong and whats the best way of doing so ?
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评论（1）
我认为您对
a和b的变量并不正确。在那里更加明确…I don’t think you are constructing your variable correctly with respect to
aandb. Be more explicit there…