Numerical Modelling in Fortran: day 2

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Notes • Indices start at 1 and go up to the declared value, e.g., if declare a(5) then it has components a(1),a(2)…a(5) • To get a different lower index, e.g., a(-5:5) • In subroutines&functions an argument can be used to dimension arrays • In allocate statements other variables can be used • Use of the (a,$) format in write avoids carriage return at the end • Note implicit do loop n(j),j=1,3
Page 1 and 2: Numerical Modelling in Fortran: day
Page 4 and 5: Miscellaneous things • Continuing
Page 6 and 7: Initialising variables • Always i
Page 8 and 9: Some intrinsic mathematical functio
Page 10 and 11: ead(*,*) and write(*,*) • read(*,
Page 12 and 13: functions and subroutines • Usefu
Page 14 and 15: same thing as subroutines (less ele
Page 16 and 17: Example internal function
Page 20 and 21: Homework • At the ‘Fortran 90 T
Page 22 and 23: Exercise 2: Mean and standard devia
Page 24 and 25: Finite Difference grid in 1-D • G
Page 29 and 30: Analysis • Subroutine arguments c
Page 31: Exercise 3: Second derivative • W

Numerical Modelling in Fortran: day 2

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