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matlabnotation

the meaning of "e" in matlab output

In matlab, especially when testing a neural network, we see a special type of output. for example, 3.332e-23 or 5.e-235. What is the meaning of "e" in the context of the output?

Solution

  • It is scientific notation, where e is shorthand for *10^.

    You can change the output type in the console using the format command. For example . . . 

    >> x = 1.123456e5

x =

   1.1235e+05

>> format long
>> x

x =

     1.123456000000000e+05

>> format longG
>> x

x =

                  112345.6

>> format hex
>> x

x =

   40fb6d999999999a