Cody

# Problem 3031. Expression or variable?

Solution 587547

Submitted on 24 Feb 2015 by James
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### Test Suite

Test Status Code Input and Output
1   Pass
%% x = 1; assert(isequal(are_variables(x),1))

2   Pass
%% x = 1; assert(isequal(are_variables(1),0))

3   Pass
%% x = 1; assert(isequal(are_variables('x'),0))

4   Pass
%% assert(isequal(are_variables('x',1,2),0))

5   Pass
%% a = 1; b=0; assert(isequal(are_variables(a,b),1))

6   Pass
%% assert(isequal(are_variables(1,2,3,4,5),0))

7   Pass
%% a = 1; assert(isequal(are_variables(a,a,a),1))

8   Pass
%% a = 1; b=0; c=ones(5); assert(isequal(are_variables(a,'a'),0))

9   Pass
%% x = 1; y=0; zz=ones(5); assert(isequal(are_variables(zz,'a'),0))

10   Pass
%% x = 1; y=0; z=ones(5); assert(isequal(are_variables(x,y,z),1))

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