Licensed Electrical & Mechanical Engineer BMayer@ChabotCollege.edu ENGR/MTH/PHYS 25 Prob 2.20 Round-End Fenced Enclosure Bruce Mayer, PE Licensed Electrical & Mechanical Engineer BMayer@ChabotCollege.edu

Given Fenced Enclosure Given Parameters Total Enclosed Area = 1600 Square Feet (1600 ft2) Fence Costs in $/Lineal-Ft Straight = 30 Curved = 40 Determine Lo-Cost R & L

Given Fenced Enclosure Game Plan Solve for COST FUNCTION f(R) Solve by BOTH of Hand Calculus Develop Cost Function Use min command on Cost Vector Will hunt-down LoCost & Address

Check Extremes ∞ LONGEST

Check Extremes The Cost at Maximum R Use the Extremes to Set the Plotting Range

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.m File Script

Answer Graphically

L vs R Plot (for Fun)

ENGR/MTH/PHYS 25 Appendix Previous Analyses

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