Cody

# Problem 481. Rosenbrock's Banana Function and its derivatives

Solution 78125

Submitted on 18 Apr 2012 by Zachary Sylvester
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### Test Suite

Test Status Code Input and Output
1   Pass
``` ```
2   Pass
%% x = [0; 0]; assert(isequal(Rosenbrock_banana(x),1))
``` RB = @(z)100*((z(2)-z(1)^2)^2)+(1-z(1))^2 Hessian = 2 0 0 200 ```
3   Pass
%% x = [1; 1]; assert(isequal(Rosenbrock_banana(x),0))
``` RB = @(z)100*((z(2)-z(1)^2)^2)+(1-z(1))^2 Hessian = 802 -400 -400 200 ```
4   Pass
%% x = [1; -1]; assert(isequal(Rosenbrock_banana(x),400))
``` RB = @(z)100*((z(2)-z(1)^2)^2)+(1-z(1))^2 Hessian = 1602 -400 -400 200 ```
5   Pass
%% x = [-1; 0.5]; assert(isequal(Rosenbrock_banana(x),29))
``` RB = @(z)100*((z(2)-z(1)^2)^2)+(1-z(1))^2 Hessian = 1002 400 400 200 ```
6   Pass
``` RB = @(z)100*((z(2)-z(1)^2)^2)+(1-z(1))^2 Hessian = 2 0 0 200 ```
``` RB = @(z)100*((z(2)-z(1)^2)^2)+(1-z(1))^2 Hessian = 2 0 0 200 ```
``` RB = @(z)100*((z(2)-z(1)^2)^2)+(1-z(1))^2 Hessian = 802 -400 -400 200 ```
``` RB = @(z)100*((z(2)-z(1)^2)^2)+(1-z(1))^2 Hessian = 802 -400 -400 200 ```
``` RB = @(z)100*((z(2)-z(1)^2)^2)+(1-z(1))^2 Hessian = 3534 760 760 200 ```