Solution 2670044

Submitted on 9 Jul 2020

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Test	Status	Code Input and Output
1	Pass	noOp = @(x)x; fh2 = iterate_fcn(noOp, 50); assert(isequal(fh2(pi),pi));
2	Fail	addOne = @(x)x+1; addTen = iterate_fcn(addOne, 10); assert(isequal(addTen(3),13)); Undefined function 'plus' for input arguments of type 'function_handle'. Error in Test2>@(x)x+1 (line 1) addOne = @(x)x+1; Error in iterate_fcn (line 4) fh2=fh(fh2); Error in Test2 (line 2) addTen = iterate_fcn(addOne, 10);
3	Fail	addOne = @(x)x+1; addOne2 = iterate_fcn(addOne, 1); assert(isequal(addOne2(3),4)); Undefined function 'plus' for input arguments of type 'function_handle'. Error in Test3>@(x)x+1 (line 1) addOne = @(x)x+1; Error in iterate_fcn (line 4) fh2=fh(fh2); Error in Test3 (line 2) addOne2 = iterate_fcn(addOne, 1);
4	Fail	squarer = @(a) a^2; fh2 = iterate_fcn(squarer, 3); assert(isequal(fh2(3),6561)); Undefined function 'power' for input arguments of type 'function_handle'. Error in ^ (line 21) Z = X.^Y; Error in Test4>@(a)a^2 (line 1) squarer = @(a) a^2; Error in iterate_fcn (line 4) fh2=fh(fh2); Error in Test4 (line 2) fh2 = iterate_fcn(squarer, 3);
5	Fail	fh = @(y)sqrt(y+1); fh2 = iterate_fcn(fh,30); assert(abs(fh2(1) - (1+sqrt(5))/2) < 100*eps); Undefined function 'plus' for input arguments of type 'function_handle'. Error in Test5>@(y)sqrt(y+1) (line 1) fh = @(y)sqrt(y+1); Error in iterate_fcn (line 4) fh2=fh(fh2); Error in Test5 (line 2) fh2 = iterate_fcn(fh,30);

Problem 24. Function Iterator