How you can increase precision of answer (a number) in MATLAB? Actually I have to generate a chaotic time series using certain chaotic map. I got the series values but all of them are the same. I think if I could increase the number of digits after the decimal point I may get the minute variation in the series values.I am getting a precision of 4. For a perfect chaotic series I should have (may be)at least equal to 8. I am having a 64 bit operating system.