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ex1review - CGN 3421 Computer Methods Fall 1998 Exam#1(A...

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CGN 3421 review page 1 of 5 10/1/98 CGN 3421 Computer Methods Fall 1998 Exam #1 (A very basic review) Variables reserves spots in computer memory to store values only letters and numbers, beginning with a letter only 6 characters/numbers or less are used Implicit none (removes default set up variables starting with I-N integer) Integer i, j, k Real x, y, z Arrays reserves several places in memory under same name can be either real or integer declare total size in the Real/Integer statements 1-D arrays real A(16) gives 16 real spots use in program as A(i), where i=1...16 2-D arrays integer A(3,4) gives 3 rows, 4 columns of integer spots use in program as A(i,j), where i=1...3, and j=1...4 A(1) A(16) A(8) A(12) A(4) A(3,1) A(2,3) row 1,2,3 column 1,2,3,4
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CGN 3421 review page 2 of 5 10/1/98 Program Structure Program name comments implicit none declare real/integer-including the names of any functions you may create data lines (if any) statement function definition (if any) open statements (if any) input data from screen/file (if any)
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