MaplePrimes - answers and comments on Question, Procedure/Module Help

suggestions

Joe Riel — Mon, 22 Mar 2010 09:27:50 Z

Remove all the with(linalg) calls. linalg is old and doesn't work with Matrices. Never use with inside a procedure, it won't work properly there.

Using * to multiply Matrices doesn't work, use either the dot operator (.), or procedure calls (see LinearAlgebra).

To call a procedure you have to append parentheses. For example, in Step4 change Print to Print();

logic

Robert Israel — Mon, 22 Mar 2010 18:55:00 Z

In addition to Joe's excellent points: your Step3 ends in Step2, but according to your flow chart it should be followed by UnitCk.

Your insight is inspiring!

Ukvayat — Mon, 22 Mar 2010 22:10:01 Z

Thank you so much for your help, if I'm still having problems after I get done tinkering with this (hopefully tomorrow or Wednesday) I'll be sure to reply again. But the recommendations have seemed to remove some of the things I was having difficulties with.

Thanks!

Which brings up the reason I

Ukvayat — Mon, 22 Mar 2010 22:30:29 Z

Which brings up the reason I have it as a module - I had no clue how to set this up as one continuous procedure like I could in good ole QBasic and "goto line 21" statements. The only option I could think of and see was to encapsulate them all into a module. Surely there has to be a better way.

The purpose of Print is just to print the A, the main matrix and I might add some of the other matrices that appear in the program. The use really is to be a part of a larger whole and the matrix A will be used in other algorithms.

export

Joe Riel — Mon, 22 Mar 2010 22:17:58 Z

Another problem is that the module doesn't appear to export anything useful to execute, other than Print, which doesn't do any computations. So you'll need to correct that.