Recent content by christinaz

second one. maybe this is the reason that I'm not mathy at all.

To GibZ I think maths is the abstract of the real world, it has a lot of relation with its applications, that's why its beautiful, it's not a mind toy, it's a powerful tool that we use to think and manipulate the real world, I'm always trying to find out the cast from the real world to labels...

As I believe that the maths exists before mankind discovered it, and the complex number is used in many fields, such as control theory, signal analysis... I doubt it only exist in human brain, here is a description I copy from http://www.answers.com/topic/complex-number The words "real" and...

thanks a lot, but I was told this is an imaginary label the first day I learned it, but any label has its corresponding meaning in real world, eg: 1 means one object, 0 means no object, -1 means taking away one object, while this i, it says: to make the x^2+1=0 get solved, we imagine i, then...

When thinking of what's the philosophy behind the "magic" complex i, i*i=-1, this seems the connection between real world and imaginary world, but what this imaginary world stands for? why with its help, many functions get resolved? and we can use the Euler formula, which is the basic of many...