Anyone know what is the function of matlab to find answer of my question?

i have a matrix g=[a;b] and how can i calculate m=sqrt(a^2 + b^2)? i need to write this function in such a while loop.

Answer 1

[Walter Roberson]

m = norm(g);

Answer 2

[Image Analyst]

Alternatively, but a little more complicated:

m = hypot(g(1), g(2));

Not sure why you need it to be in a while loop, but if you do, and a and b are row vectors

k = 1
while k <= size(g, 2)
  a = g(1, k);
  b = g(2, k);
  m(k) = hypot(a, b);
  k = k + 1;
end