Research Article

Solution of Singularly Perturbed Differential-Difference Equations with Mixed Shifts Using Galerkin Method with Exponential Fitting

Table 3

The maximum errors in solution of Example 2.

ε

Present method ,
0.004707840.001233590.000293447.2455e − 0051.8125e − 0054.5281e − 006
0.015854660.006978450.002400010.000932870.000248065.8741e − 005
0.019105330.010158790.005124450.002440820.001054440.00037664
0.019442880.010492910.005456490.002771700.001383580.00067752
0.019476770.010526450.005489830.002804920.001416740.00071065
0.019480160.010529810.005493160.002808240.001420060.000713967

Results in Kadalbajoo and Sharma [10]
0.085796900.051295680.032021300.019247230.010983540.00553597
0.133765060.076413010.042172260.021997780.011199740.00570769
0.145926630.085107340.049137370.026108830.013527490.00688074
0.147243900.086060130.049928170.026581250.013805530.00703026
0.147376760.086156340.050008340.026629210.013833800.00704546
0.147390060.086165970.050016370.026634010.013836630.00704699