How to define 𝑓(𝑥, 𝑦) = 𝑒−(2√𝑥2+𝑦2)

Please help i keep getting error.

[Alexxis Schwalier]

Actually, it should be e^-(2sqrt(x^2+y^2))

Answer 1

[Walter Roberson]

exp(-2*sqrt(x.^2+y.^2))

Answer 2

[Steven Lord]

Since this sounds like it might be part of a homework assignment, I'm just going to point you to two functions that may be of use to you: exp and hypot.