How do I pass a vector into a user-defined function?

I am new to MATLAB and just started writing some preliminary functions, and I would like to knowhow to pass a vector as an argument (some of the arguments or all of them).

 function [cprice] = cprice(spot, strike, ir, div, ndays,vol)
 %Calculates BlackScholes price for Call Options
 tir = ndays / 365;

 dis = exp(-ir * tir);
 F = spot * exp((ir - div) * tir);

 d1 = (log(F / strike) + (((vol ^ 2) / 2) * tir)) / (vol * (tir ^ 0.5));
 d2 = d1 - (vol * (tir ^ 0.5));
 cprice = dis * ((normcdf(d1) * F) - (normcdf(d2) * strike))

Answer 1

[Andrew Newell]

It looks like all you need to do is replace each * by .*, each ^ by .^ and each / by ./

Answer 2

[Oleg Komarov]

You have to use:

• ./
• .*
• .^

whenever the operation involves TWO arrays of the same dimension to obtain elementwise division, multiplication or power.

For details look at arithmetic operators

Oleg