Re: question??

[Trevor Lindsay <trevor.lindsay2@sympatico.ca>]

I may not remember much about matrices from my class
days, but it seems to me that if he declares a matrix (20,20,0) then he gets

20  20  0

yet when he references 3,3

he is asking for 

x  x  x
x  x  x
x  x  x <- this entry

maybe try 3,1?

it is column then row, am i correct (not much sleep so i could be wrong:)

Ben Hendel-Doying wrote:
> 3A241854.72F4E0B4@yahoo.com">
> I remember being taught the AP classes in my AP computer science class... I
> deplored them, but if I remember correctly the way to access a point in the
> array is _not_ [3,3], it's either by calling a function with (3, 3) or asking
> for [3][3].  Like I said, I'm not fond of APSTRING, APMATRIX and the like, so I
> don't know what function you would call to retrieve items in the matrix if
> [3][3] doesn't work.  Also, [4,6] is no good, either.
>
> if(data[3][3] == 0)
>   data[4][6] = 1;
>
> ??
>
> Hope that's helpful,
>   Ben
>   telkoth@yahoo.com
>
>
>
> > #include<apmatrix.h>
> >
> > main()
> > {
> >        apmatrix<int> data(20,20,0);
> >
> >        if (data[3,3] == 0)
> >              data[4,6] = 1;
> > return 0;
> > }
> > it will give me an error in the if statement, well if anyone could possibly
> > help me out please do, and thank you.
>
>
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