**constructors:**vector

**element referenced operator:**selector

**qualifier components:**bvar, lowlimit, uplimit, condition

**sum product operators:**sum, product

**quantifier operators:**forall, exists

**statistics operators:**mean, sdev, variance, median, mode, moment, moment about

Right now I am going to focus on vector and selector, and the remaining math is for future releases. Vector, as the name suggests, is used to create a vector. In JSBML, a vector node is a collection of ordered ASTNodes. In order to get an element in an array or vector, the selector function is necessary. The selector function takes an array/vector and the index math to reference a certain element.

Vector and selector are implemented already. Selector was done by one of the mentors, Nico Rodriguez. I have done the vector. To create a vector ASTNode, you can specify vector(0, 1, 2, 3, 4, 5) and this in MathML is equivalent to:

<vector>

<cn type="integer"> 0 </cn>

<cn type="integer"> 1 </cn>

<cn type="integer"> 2 </cn>

<cn type="integer"> 3 </cn>

<cn type="integer"> 4 </cn>

</vector>

The vector constructor was tested and it seems to be working fine. Once I got this to work, I moved on to infix parsing. The code is there already, but it needs more testing. More details to come.

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