Cody

# Problem 486. Surface Fit z(x,y)

Solution 853474

Submitted on 19 Mar 2016
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### Test Suite

Test Status Code Input and Output
1   Fail
x= [0 0 1 1 2 2 3 3]; y= [0 1 0 1 0 1 0 1]; z=[-4 -1 -3 -2 0 -1 5 2]; c=[1 -2 3 -4]; assert(isequal(c,round(sufit(x,y,z))))

Error: File: solution.m Line: 6 Column: 5 The expression to the left of the equals sign is not a valid target for an assignment.

2   Fail
x= rand(1,100); y= rand(1,100); z=7*x.^2-9*x.*y+11*y.^2-17; c=[7 -9 11 -17]; assert(isequal(c,round(sufit(x,y,z))))

Error: File: solution.m Line: 6 Column: 5 The expression to the left of the equals sign is not a valid target for an assignment.

3   Fail
x= rand(1,10000); y= rand(1,10000); z=17*x.^2-19*x.*y+11*y.^2-13; c=[17 -19 11 -13]; assert(isequal(c,round(sufit(x,y,z))))

Error: File: solution.m Line: 6 Column: 5 The expression to the left of the equals sign is not a valid target for an assignment.