The matrix method exhibits spikelike features originating from a numerical artifact.
Joachim Welker, Esther Illek, Franz J. Giessibl 2012, 'Analysis of force-deconvolution methods in frequency-modulation atomic force microscopy',Beilstein Journal of Nanotechnologyhttps://doi.org/10.3762/bjnano.3.27. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
By interpolation of the data, the spikelike features can be circumvented.
Joachim Welker, Esther Illek, Franz J. Giessibl 2012, 'Analysis of force-deconvolution methods in frequency-modulation atomic force microscopy',Beilstein Journal of Nanotechnologyhttps://doi.org/10.3762/bjnano.3.27. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)