I would like to normalize a raster, using the raster calculator in QGIS 3.x, but I don't know how to use the maximum and minimum operators. I have tried the following sequence, but it does not recognize it:
("Vuln_Erosion @ 1" - minimum ("Vuln_Erosion @ 1")) / (maximum ("Vuln_Erosion @ 1") - minimum ("Vuln_Erosion @ 1"))