how can we solve problem like differential equation in relativistic reference frame using fortran or c/c++ matleb, cobol

Question

masumanwar · Answer

screen000100 IDENTIFICATION DIVISION.
000200 PROGRAM-ID. HELLO05.
000300
000400* This program illustrates the incorrect placement of a
000500* Paragraph that is the target of a perform
000600
000700 ENVIRONMENT DIVISION.
000800 DATA DIVISION.
000900 PROCEDURE DIVISION.
001000
001100 PROGRAM-BEGIN.
001200 DISPLAY "Today's message is:".
001300 PERFORM SAY-HELLO.
001400
001500 SAY-HELLO.
001600 DISPLAY "Hello world".
001700
001800 PROGRAM-DONE.
001900 STOP RUN.
002000