How to write matlab function to find the minimum value of a array and find its index?

Write a function with the following header: function (minimum, index] my minimum index (vector) where vector is a row vector of class double that contains at least one value. minimum is a scalar of class double that represents the minimum value of vector. index is a scalar of class double that represents the index of the first occurrence in vector of the minimum value of vector. If all the values in vector are NaN, then minimum should have the value NaN and index should have the value 1. In any other case, NaN should never be considered the minimum value of vector. You may not use Matlab's built-in functions min, max, find, and sort in this question. Test cases [minimum, index] my minimum index (5) minimum index (minimum index my minimum index [5, 6, 1]) minimum