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Mr. Gregory White, Master's Degree
Category: Math Homework
Satisfied Customers: 92
Experience:  M.A., M.S. Education / Educational Administration
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# The final iteration in a calibration of the gravity model

### Customer Question

The final iteration in a calibration of the gravity model yielded the following friction-factor and impedance values: F 1.0 4.0 0.5 0.3 W 12 4 15 20 a) Calibrate a relationship of the form F = (aW)^—b b) Apply your results to the following case: Two residential
zones (1 and 2) are expected to produce 6500 and 3800 person-trips per day, respectively. Two non-residential zones (3 and 4) are attracting these trips. The planning commission has received a proposal to improve parts of the transportation system, which,
if implemented, would affect certain inter-zonal impedances as shown: Do-nothing (current conditions): Proposed plan: I \ J 3 4 I \ J 3 4 1 10 14 1 10 10 2 8 14 2 8 8 The relative attractiveness of zone 3 is A3 =10, and of zone 4 is A4 = 15. All KIJ = 1.0.
Calculate the effect of the proposed plan on the total trip distribution among the zones.
Submitted: 2 years ago.
Category: Math Homework
Expert:  Ray Atkinson replied 2 years ago.

I'm not sure how to do this one. I'll open it up to others.

Best of luck in your studies.

Customer: replied 2 years ago.
Ok, someone asked that question too 2 years ago... thank you very much!
Customer: replied 2 years ago.
Customer: replied 2 years ago.
I need it today before 11:55pm...
Customer: replied 2 years ago.
hello???