**Acknowledgements**

**Figure 3.** Scatterer *h*0(*x*) and its TV reconstruction via Born approximation, Example 2. (a) scatterer; (b) full data; (c)

**Figure 4.** Scatterer *h*0(*x*) and its TV reconstruction via Born approximation, Example 3. (a) scatterer; (b) full data; (c)

backscattering data; (d) fixed angle data

134 Applied Linear Algebra in Action

backscattering data; (d) fixed angle data.

This work was supported by the Academy of Finland (application number 250215, Finnish Programme for Centres of Excellence in Research 2012–2017).
