this took a minute to think about!

why are u so diao??

function y = your_fcn_name(Points, Triangle)
for i = 1:size(Points,1)
po = Points(i,:);
p1=Triangle(1,:);
p2=Triangle(2,:);
p3=Triangle(3,:);
a = sqrt((p1(1)-p2(1))^2+(p1(2)-p2(2))^2);
b = sqrt((p1(1)-p3(1))^2+(p1(2)-p3(2))^2);
c = sqrt((p3(1)-p2(1))^2+(p3(2)-p2(2))^2);
d1=sqrt((p1(1)-po(1))^2+(p1(2)-po(2))^2);
d2=sqrt((p2(1)-po(1))^2+(p2(2)-po(2))^2);
d3=sqrt((p3(1)-po(1))^2+(p3(2)-po(2))^2);
y(i)=0;
alpha = rad2deg(acos((d1^2+d2^2-a^2)/(2*d1*d2)));
beta = rad2deg(acos((d1^2+d3^2-b^2)/(2*d1*d3)));
gamma = rad2deg(acos((d2^2+d3^2-c^2)/(2*d2*d3)));
if(alpha+beta+gamma==2*180)
y(i)=1;
end
end
end

so smart

why are competing against phony "Leading solutions" like this:
function ans = your_fcn_name3(varargin)
! echo "function assert(~)" > ./assert.m
end
This is not a solution, just a clever hack to get around the assertions or what??!!

Great!