Sequential Quadratic Programming Method for Nonlinear Least Squares Estimation and Its Application

<figure class="figure-group responsive"><div class="sub-figure" id="a"><object data="https://static-preview.hindawi.com/articles/mpe/volume-2019/3087949/figures/3087949.fig.002a.svgz" name="3087949.fig.002a" type="image/svg+xml"></object><div class="fig-label">(a) Noise-free wrapped phase</div></div><div class="sub-figure" id="b"><object data="https://static-preview.hindawi.com/articles/mpe/volume-2019/3087949/figures/3087949.fig.002b.svgz" name="3087949.fig.002b" type="image/svg+xml"></object><div class="fig-label">(b) Wrapped phase after noise</div></div><div class="sub-figure" id="c"><object data="https://static-preview.hindawi.com/articles/mpe/volume-2019/3087949/figures/3087949.fig.002c.svgz" name="3087949.fig.002c" type="image/svg+xml"></object><div class="fig-label">(c) Least squares method</div></div><div class="sub-figure" id="d"><object data="https://static-preview.hindawi.com/articles/mpe/volume-2019/3087949/figures/3087949.fig.002d.svgz" name="3087949.fig.002d" type="image/svg+xml"></object><div class="fig-label">(d) Sequential quadratic programming method</div></div></figure>

<p>Unwrapping results obtained using the above-mentioned two methods.</p>

Mathematical Problems in Engineering

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Figure 2: Sequential Quadratic Programming Method for Nonlinear Least Squares Estimation and Its Application 