One activity can have only one arrow ... if two activity are preceded by one activity then there must be a dummy because if you are going to put two arrow that means you are doing same activity two time. Why you will do same activity two time , give it a dummy .
real answer: if you drew arrows C and D to meet at one node (no dummy variable) and then have arrow E coming from that node, you will find that you CANNOT draw arrow F from any node to show that its predecessor is only arrow C and not D. That is why we need a dummy variable. There is no need for a dummy variable from E to the node before G since it is totally fine to have multiple arrows go to the same node as long as the arrows come from different starting nodes.
real answer: if you drew arrows C and D to meet at one node (no dummy variable) and then have arrow E coming from that node, you will find that you CANNOT draw arrow F from any node to show that its predecessor is only arrow C and not D. That is why we need a dummy variable. There is no need for a dummy variable from E to the node before G since it is totally fine to have multiple arrows go to the same node as long as the arrows come from different starting nodes.
One activity can have only one arrow ... if two activity are preceded by one activity then there must be a dummy because if you are going to put two arrow that means you are doing same activity two time. Why you will do same activity two time , give it a dummy . @dante 👇👇👇
Thank you soooo much!!! Your tutorial literally saved me from the dummy path!!!
lmao same here
Had already added a lot of clarity
Thank you
Thank you! I had crazy lines all over the place that did not make sense. This totally helped me to clean it up. I am very grateful
Could you please elaborate more on the exercise on why activity E is not a dummy activity towards activity G. By the way, this was an awesome video.
Because E is one of the immediate predecessors of G.
One activity can have only one arrow ... if two activity are preceded by one activity then there must be a dummy because if you are going to put two arrow that means you are doing same activity two time. Why you will do same activity two time , give it a dummy .
real answer: if you drew arrows C and D to meet at one node (no dummy variable) and then have arrow E coming from that node, you will find that you CANNOT draw arrow F from any node to show that its predecessor is only arrow C and not D. That is why we need a dummy variable. There is no need for a dummy variable from E to the node before G since it is totally fine to have multiple arrows go to the same node as long as the arrows come from different starting nodes.
turnt up
turnt upppp!!!
turn it up juddy!
feeling woke from dis, Juddy Productions turnt up
party time
JUDDY TOP G!!!!!
Thank you ! I will now pass my exams !
Can't wait to learn about this, just for dummies to probably not end up on the test anyways (still good video tho)
real answer: if you drew arrows C and D to meet at one node (no dummy variable) and then have arrow E coming from that node, you will find that you CANNOT draw arrow F from any node to show that its predecessor is only arrow C and not D. That is why we need a dummy variable. There is no need for a dummy variable from E to the node before G since it is totally fine to have multiple arrows go to the same node as long as the arrows come from different starting nodes.
thank you sooo much!
thank you sooooo much sir !! this helped me a lot
thank you
At least i did understand it!! Thank soo much!
I recommended this to my colleagues!!!1!11!!1
Great video thank you!
10/10!!!
One activity can have only one arrow ... if two activity are preceded by one activity then there must be a dummy because if you are going to put two arrow that means you are doing same activity two time. Why you will do same activity two time , give it a dummy . @dante 👇👇👇
better than my lecture
Thank you so much
Legend
Hello, Mark Judd please can you help me with the CPM network logic diagram with predecessor and successors.
thank you!!!!!!!!!!!!!
In the 2nd example why doesn't E start from C? Is there a difference between direct predecessors
that's what the dummy arrow is for.
@@AvocadoTheBugCatwhy dummy arrow is from c to d , and not d to c....please clarify
Sir i need your help i have to submt my work but two diagrams are not solving me
I drew it with 2 dummy variables!?