with arcpy.da.UpdateCursor(fc, fields) as rows: for row in rows: row[2] = row[0] * (32.82010551 * 32.82010551) * (0.000000092903) row[3] = (row[1] *(32.82010551 * 32.82010551) * 25)/(row[0] * (32.82010551 * 32.82010551)) rows.updateRow(row)
if row[0]: row[2] = row[0] * (32.82010551 * 32.82010551) * (0.000000092903) if row[1]: row[3] = (row[1] *(32.82010551 * 32.82010551) * 25)/(row[0] * (32.82010551 * 32.82010551))
fields = ['RASTERVALU_12', 'RASTERVALU_12_13', 'Cumm_Dr_SQKM', 'Mean_Pr_MM'] with arcpy.da.UpdateCursor(fc, fields) as rows: for row in rows: if row[0]: row[2] = row[0] * (32.82010551 * 32.82010551) * (0.000000092903) if row[1]: row[3] = (row[1] *(32.82010551 * 32.82010551) * 25)/(row[0] * (32.82010551 * 32.82010551)) rows.updateRow(row)