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Incorrect

51Size

Leading solution size is 35.
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Test

Code Input and Output

1

Fail

%% assert(isempty(regexp(fileread('Rosenbrock_banana.m'),'assert.m')))

Error: Assertion failed.

2

Pass

%% x = [0; 0]; assert(isequal(Rosenbrock_banana(x),1))

Hessian = 0 0 0 0 [Warning: Function /users/msssystem19/assert.m has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In Rosenbrock_banana at 8 In verifyCode>evaluateCode at 231 In verifyCode at 40 In fevalJSON at 14]

3

Pass

%% x = [1; 1]; assert(isequal(Rosenbrock_banana(x),0))

Hessian = 0 0 0 0 [Warning: Function /users/msssystem19/assert.m has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In Rosenbrock_banana at 8 In verifyCode>evaluateCode at 231 In verifyCode at 40 In fevalJSON at 14]

4

Pass

%% x = [1; -1]; assert(isequal(Rosenbrock_banana(x),400))

Hessian = 0 0 0 0 [Warning: Function /users/msssystem19/assert.m has the same name as a MATLAB builtin. We suggest you rename the function to avoid a potential name conflict.] [> In Rosenbrock_banana at 8 In verifyCode>evaluateCode at 231 In verifyCode at 40 In fevalJSON at 14]

5

Pass

%% x = [-1; 0.5]; assert(isequal(Rosenbrock_banana(x),29))

6

Pass

%% x = [0; 0]; [~,grad]=Rosenbrock_banana(x); assert(isequal(grad,[-2; 0]))

7

Pass

%% x = [0; 0]; [~,~,Hess]=Rosenbrock_banana(x); assert(isequal(Hess,diag([2, 200])))

8

Pass

%% x = [1; 1]; [~,grad]=Rosenbrock_banana(x); assert(isequal(grad,[0; 0]))

9

Pass

%% x = [1; 1]; [~,~,Hess]=Rosenbrock_banana(x); assert(isequal(Hess,[802, -400; -400, 200]))

10

Pass

%% x = [-1.9; 2]; correct_value = 267.6200; correct_grad = -1e3*[1.2294; 0.3220]; correct_Hess = [3534, 760; 760, 200]; [val,grad,Hess]=Rosenbrock_banana(x); assert(isequal(str2num(num2str(val)),correct_value)) assert(isequal(str2num(num2str(grad)),correct_grad)) assert(all(max(abs(Hess-correct_Hess)<1e-8)))