expx2dx SolutionTo find the actual value we use excel functi
exp(-x2)dx
Solution
To find the actual value we use excel function erf
sqrt(Pi)/2*erf(0.4) = 0.3797
Ei is the difference between teh value obtained by method and the actual value
Percentage of error =error *100 / actual value
| Method | Value | Actual | Error | %error |
| T3 | 0.378641281 | 0.3797 | -0.001 | 0.27% |
| T6 | 0.379400252 | 0.3797 | -3E-04 | 0.07% |
| M3 | 0.380159223 | 0.3797 | 0.0005 | 0.13% |
| M6 | 0.37977917 | 0.3797 | 0.0001 | 0.03% |
| S6 | 0.379653243 | 0.3797 | 4E-07 | 0.00% |
| Weighted Avg | 0.379653243 | 0.3797 | 4E-07 | 0.00% |
