Cody

Problem 970. Piecewise linear interpolation

Solution 3177956

Submitted on 12 Oct 2020 by Li Ding
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

Test Status Code Input and Output
1   Pass
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)))

out = 1.0000 1.0000 1.5000 0.7500 2.0000 0.5000 2.5000 0.2500 3.0000 0 2.0000 0.5000 1.0000 1.0000

2   Pass
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)))

out = 1.0000 1.0000 1.2000 1.4000 1.4000 1.8000 1.6000 2.2000 1.8000 2.6000 2.0000 3.0000 2.5000 2.7500 3.0000 2.5000 3.5000 2.2500 4.0000 2.0000 4.5000 0 5.0000 -2.0000

3   Pass
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)))

out = 0 0 1.0000 1.0000 2.0000 2.0000 3.0000 3.0000 4.0000 4.0000 5.0000 5.0000 6.0000 6.0000 7.0000 7.0000 8.0000 8.0000 9.0000 9.0000 10.0000 10.0000 11.0000 11.0000 12.0000 12.0000 13.0000 13.0000 14.0000 14.0000 15.0000 15.0000 16.0000 16.0000 17.0000 17.0000 18.0000 18.0000 19.0000 19.0000 20.0000 20.0000 21.0000 21.0000 22.0000 22.0000 23.0000 23.0000

Suggested Problems

More from this Author80

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!