Cody

Solution 2469899

Submitted on 4 Jun 2020
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Test Suite

Test Status Code Input and Output
1   Pass
assert(isempty(regexp(fileread('Rosenbrock_banana.m'),'assert.m')))

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

value = 1

Undefined function 'Derivatives' for input arguments of type 'double'. Error in Rosenbrock_banana (line 5) a = Derivatives(100*(x2-x1^2)^2+(1-x1)^2); Error in Test2 (line 2) assert(isequal(Rosenbrock_banana(x),1))

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

value = 0

Undefined function 'Derivatives' for input arguments of type 'double'. Error in Rosenbrock_banana (line 5) a = Derivatives(100*(x2-x1^2)^2+(1-x1)^2); Error in Test3 (line 2) assert(isequal(Rosenbrock_banana(x),0))

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

value = 400

Undefined function 'Derivatives' for input arguments of type 'double'. Error in Rosenbrock_banana (line 5) a = Derivatives(100*(x2-x1^2)^2+(1-x1)^2); Error in Test4 (line 2) assert(isequal(Rosenbrock_banana(x),400))

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

value = 29

Undefined function 'Derivatives' for input arguments of type 'double'. Error in Rosenbrock_banana (line 5) a = Derivatives(100*(x2-x1^2)^2+(1-x1)^2); Error in Test5 (line 2) assert(isequal(Rosenbrock_banana(x),29))

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

value = 1

Undefined function 'Derivatives' for input arguments of type 'double'. Error in Rosenbrock_banana (line 5) a = Derivatives(100*(x2-x1^2)^2+(1-x1)^2); Error in Test6 (line 2) [~,grad]=Rosenbrock_banana(x);

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

value = 1

Undefined function 'Derivatives' for input arguments of type 'double'. Error in Rosenbrock_banana (line 5) a = Derivatives(100*(x2-x1^2)^2+(1-x1)^2); Error in Test7 (line 2) [~,~,Hess]=Rosenbrock_banana(x);

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

value = 0

Undefined function 'Derivatives' for input arguments of type 'double'. Error in Rosenbrock_banana (line 5) a = Derivatives(100*(x2-x1^2)^2+(1-x1)^2); Error in Test8 (line 2) [~,grad]=Rosenbrock_banana(x);

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

value = 0

Undefined function 'Derivatives' for input arguments of type 'double'. Error in Rosenbrock_banana (line 5) a = Derivatives(100*(x2-x1^2)^2+(1-x1)^2); Error in Test9 (line 2) [~,~,Hess]=Rosenbrock_banana(x);

10   Fail
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)))

value = 267.6200

Undefined function 'Derivatives' for input arguments of type 'double'. Error in Rosenbrock_banana (line 5) a = Derivatives(100*(x2-x1^2)^2+(1-x1)^2); Error in Test10 (line 5) [val,grad,Hess]=Rosenbrock_banana(x);