MATLAB: Write a function called tri_area returns the area of a triangle with base b and height h

Question

hello this is my function code and command window code and there is a message of invalid expression at line 2 and i dont know what is the wrong can anyone help me

function [area] = tri_area([b,h]);
tri_area([b,h])=(0.5)*(b)*(h)
area=tri_area([b,h])
end
%command window
area = tri_area[3,2])

Answer 1

function area = tri_area(b,h)
    area = 0.5*b*h;
end

From the command window

A = tri_area(3,2)