首先,在下列情况下,老年人应尽快就医: 1.体温升至38.5以上3天以上。 2.与患病前相比,食量变差,尿量明显减少。如果老人还患有慢性肺病、心脏病、糖尿病等基础疾病,在家中不宜多喝水或强行进食。如果基础疾
Suppose I have an integral that\'s bounded on one (or both) end by (-)infinity.AFAICT, I can\'t analytically solve this problem, it takes brute force (e.g. using a Left Riemann Sum).I\'m having troubl