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有人知道爲什麼標量類型參數值不可打印嗎?我有以下代碼:打印標量值
dtab = {
('seattle', 'new-york') : 2.5,
('seattle', 'chicago') : 1.7,
('seattle', 'topeka') : 1.8,
('san-diego','new-york'): 2.5,
('san-diego','chicago') : 1.8,
('san-diego','topeka') : 1.4,
}
model.d = Param(model.i, model.j, initialize=dtab, doc='Distance in thousands of miles')
model.f = Param(initialize=90, doc='Freight in dollars per case per thousand miles')
print model.d.values()
print model.f.values()
當我運行它,我得到以下結果:
[1.4, 1.8, 2.5, 2.5, 1.8, 1.7]
[<pyomo.core.base.param.SimpleParam object at 0x000000000B018438>]
任何人可以幫助我真的需要能夠打印標量進行調試。