exponentintegralfunction.dat

这些程序是vc++编程时会用到的基本算法的程序

  x = 0.05    ExponentIntegralFunction(x) = -2.4679
  x = 0.25    ExponentIntegralFunction(x) = -1.04428
  x = 0.45    ExponentIntegralFunction(x) = -0.625331
  x = 0.65    ExponentIntegralFunction(x) = -0.411517
  x = 0.85    ExponentIntegralFunction(x) = -0.284019
  x = 1.05    ExponentIntegralFunction(x) = -0.201873
  x = 1.25    ExponentIntegralFunction(x) = -0.146413
  x = 1.45    ExponentIntegralFunction(x) = -0.107777
  x = 1.65    ExponentIntegralFunction(x) = -0.0802476
  x = 1.85    ExponentIntegralFunction(x) = -0.060295