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VCE Stuff => VCE Mathematics => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE General & Further Mathematics => Topic started by: spontaneouscombustion on October 26, 2009, 04:52:21 pm

Title: how do you tell backward flow?
Post by: spontaneouscombustion on October 26, 2009, 04:52:21 pm

I know that if the flow is going towards the source, it is a backward flow. In a minimum cut/maximum flow, my teacher also said that if a flow begins on the sink side of the diagram and ends on the source side, it is a backward flow. However, on the 2006 exam 1, question 6 (module 5) says that b is not a backward flow. Can anyone please clarify?

Title: Re: how do you tell backward flow?
Post by: anonuser0511 on October 26, 2009, 11:14:37 pm

the node where "b" originates starts on the orange hence is forward, whereas something like "d" would be a backwards.

Title: Re: how do you tell backward flow?
Post by: spontaneouscombustion on October 28, 2009, 04:04:17 pm

ah. I see my error. Thank you.