Cody

# Problem 970. Piecewise linear interpolation

Solution 2608360

Submitted on 24 Jun 2020
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### Test Suite

Test Status Code Input and Output
1   Fail
x=[1 1 ; 3 0 ; 1 1]; y=[5 3]; y_correct=[1 1 ; 1.5 0.75 ; 2 0.5 ; 2.5 0.25 ; 3 0 ; 2 0.5 ; 1 1]; assert(all(all(abs(tracers(x,y)-y_correct)<1e-9)))

Unable to perform assignment because the size of the left side is 5-by-2 and the size of the right side is 1-by-10. Error in tracers (line 9) out(cnt:(cnt+y(cnt)-1),:) = [linspace(x(cnt2,1),x(cnt2+1,1),y(cnt2)) linspace(x(cnt2,2),x(cnt2+1,2),y(cnt2))]; Error in Test1 (line 4) assert(all(all(abs(tracers(x,y)-y_correct)<1e-9)))

2   Fail
x=[1 1 ; 2 3 ; 4 2 ; 5 -2]; y=[6 5 3]; y_correct=[1 1 ; 1.2 1.4 ; 1.4 1.8 ; 1.6 2.2 ; 1.8 2.6 ; 2 3 ; 2.5 2.75 ; 3 2.5 ; 3.5 2.25 ; 4 2 ; 4.5 0 ; 5 -2]; assert(all(all(abs(tracers(x,y)-y_correct)<1e-9)))

Unable to perform assignment because the size of the left side is 6-by-2 and the size of the right side is 1-by-12. Error in tracers (line 9) out(cnt:(cnt+y(cnt)-1),:) = [linspace(x(cnt2,1),x(cnt2+1,1),y(cnt2)) linspace(x(cnt2,2),x(cnt2+1,2),y(cnt2))]; Error in Test2 (line 4) assert(all(all(abs(tracers(x,y)-y_correct)<1e-9)))

3   Fail
a=ceil(100*rand)+10; x=[0 0 ; a a]; y=a+1; y_correct=[0:a ; 0:a]'; assert(all(all(abs(tracers(x,y)-y_correct)<1e-9)))

Unable to perform assignment because the size of the left side is 48-by-2 and the size of the right side is 1-by-96. Error in tracers (line 9) out(cnt:(cnt+y(cnt)-1),:) = [linspace(x(cnt2,1),x(cnt2+1,1),y(cnt2)) linspace(x(cnt2,2),x(cnt2+1,2),y(cnt2))]; Error in Test3 (line 5) assert(all(all(abs(tracers(x,y)-y_correct)<1e-9)))