June 2001

Question Paper of CS 08 Numerical & Statistical Computing of June 2001 from IGNOU

Time: 2 hours
Max. Marks: 75

Note: Note: Calculator is allowed in this examination. Question number 1 is compulsory. Attempt any three more questions from questions numbered 2 to 6.

1.
a. Write, which of the following variable names, is valid in FORTRAN and why? � 3 marks
i. STOP
ii. A * B
iii. ROOTZ
iv. 2RATES

b. Write, which of the following FORTRAN constants are invalid and why? � 3 marks
i. -3/4
ii. 12.5E+4
iii. 12345
iv. 25

c. Write a FORTRAN 90 statement for each of the following formulae: – 3 marks
i. X = (ab/(c+dk/m + k)) + a
ii. u = e |x2-y2|
iii. v = A BC

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