why do we do the simultaneous fitting difference between simultaneous fit and independent fit difference between simultaneous fitting and separate fitting difference between simultaneous fit and separate fit how can you compare the effects of simultaneous fitting why does simultaneous fitting work what is the difference between simultaneous fitting and separate fitting? how many parameters in each direction for the simultaneous fit why does simultaneous fitting have to be done difference between simultaneous and independent fitting what is the difference between simultaneous fitting and a separate fit? what is simultaneous fitting how to perform simultaneous fit difference between parallel fitting and sequential fitting difference between simultaneous fit and separate fit what is the difference between simultaneous fitting and separate fitting? how many parameters do we need to fit a measurement what is the difference between a simultaneously fit and a separate fit how does simultaneous fitting work what is the difference between a simultaneous fit and the separate fit?