Go Premium for a chance to win a PS4. Enter to Win

x
?
Solved

Multi Dimensional Arrays?????????

Posted on 1998-05-23
1
Medium Priority
?
305 Views
Last Modified: 2010-04-16
Can anyone explain how I go about setting up and using a multi dimensional array. I have to write a program that will calculate the standard deviation of a bunch of numbers. The thing is though, there are about 6 lots of numbers. I can do a sinlge array ( ???? : Array [1..120] of real ) but for more columns I'm completely stuck. PLEASE HELP!!!
0
Comment
Question by:Dave091277
1 Comment
 
LVL 1

Accepted Solution

by:
jackb022197 earned 200 total points
ID: 1217036
As an example: This is how you would create a two-dimensional array that can hold all the values in a table that contains 20 columns and 20 rows:

type
 TTable = array[1..20, 1..20] of Double;

Then you can declare a variable of the TTable type:

var
 BigTable: TTable;

To initialize all the values in the table to 0.0, you could use nested for loops:

var
 Col, Row: Integer;
...
for Col := 1 to 20 do
 for Row:= 1 to 20 do
   BigTable[Col, Row] := 0.0
0

Featured Post

Free Tool: Port Scanner

Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Microsoft's Excel has many features that most people will never need nor take advantage of.  Conditional formatting is one feature that you may find a necessity once you start using it.
Microsoft Access has a limit of 255 columns in a single table; SQL Server allows tables with over 255 columns, but reading that data is not necessarily simple.  The final solution for this task involved creating a custom text parser and then reading…
Want to learn how to record your desktop screen without having to use an outside camera. Click on this video and learn how to use the cool google extension called "Screencastify"! Step 1: Open a new google tab Step 2: Go to the left hand upper corn…
In response to a need for security and privacy, and to continue fostering an environment members can turn to for support, solutions, and education, Experts Exchange has created anonymous question capabilities. This new feature is available to our Pr…
Suggested Courses
Course of the Month11 days, 5 hours left to enroll

886 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question