Numerical solution of stiff nonlinear problems
The numerical method 10-th about accuracy is briefly described and program INTDIF-STIFF for the automatic solve of systems rigid ordinary generally essentially of nonlinear integro-differential equations (IDE), having a boundary layer in the beginning and/or at the end of an interval of integration. The same system of the differential equations (DE) after preliminary integration of all equations or some of them under the program can be solved as system of the integrated equations (IE) or as system IDE. The high efficiency of a method and program is illustrated by results of the solve 8 test of rigid tasks borrowed from works of the known foreign and domestic authors.