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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §3.2 Maximum and Minimum Problems, #24 · Calculus · Optimization

If a patient's pulse measures 70, then 80, then 120, what least…

If a patient's pulse measures 70, then 80, then 120, what least squares value minimizes $(x - 70)^{2} + (x - 80)^{2} + (x - 120)^{2}$ ? If the patient got nervous, assign 120 a lower weight and minimize $(x - 70)^{2} + (x - 80)^{2} + \frac{1}{2} (x - 120)^{2}$ .

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §3.2 Maximum and Minimum Problems, #24

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