====== Multi-B1 Z-spectra fitting ======
 {{ :b1fit.png?direct&300|}}Several studies showed that by using multiple B<sub>1</sub> irradiation amplitudes the non-linear interaction of exchange rate and B<sub>1</sub> in R<sub>1ρ</sub> can be employed to fully quantify an exchanging system.

Dowload zipped Matlab implementations [[https://github.com/cest-sources/multiB1_fit_Z-cw_2pool/archive/master.zip|here]] or find the package on [[https://github.com/cest-sources/multiB1_fit_Z-cw_2pool|github.com/cest-sources/multiB1_fit_Z-cw_2pool]]

====== Tutorial ======
{{youtube>-7K_Mjod2k4?640x480|Tutorial: 2 minutes for 3 pools}}



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