vector calculation support

[teathinker]

Hi, I am wondering if the library support custom function with input/output vector for example:
a = [0,1,2,3]
b = [4,5,-6,7]
"my_mul(a, b) > 0" will produce [0,1,0,1]

thanks!

[beltoforion]

No, but muparserx does. (https://github.com/beltoforion/muparserx)