*2.1.1 Deconvolution*

When the forward problem is a convolution operation:

$$\mathbf{g}(t) = \int f(\tau)h(t-\tau) \,\mathrm{d}\tau,\tag{3}$$

the inverse problem is called *Deconvolution* (**Figure 2**). **Figure 3** shows an example of deconvolution problem which arise in radio astronomy.
