As in Matlab Notebook use functions?

As in Matlab use functions? For example, I wrote a function mymin, then created a .doc file and all placed in the same folder. Here is what is displayed when calling the function in MS Word:

vec=[1 2 3 4 4];
a=mymin(vec)  

??? Undefined function 'mymin' for input arguments of type 'double'.

Answer 1

[Roberto]

From what i know, functions must be named * .m not * .doc and shouldn't be saved in msWord format, but plain text format, for example in wondows notepad or in the built-in editor!!

Answer 2

[cheng chen]

your matlab "current directory" must include the function "mymin" what you difined.