From: Stefan Rusterholz <apeiros@...>
Date: 2007-07-12T23:06:31+09:00
Subject: Re: matrix problem

Bulhac Mihai wrote:
> i have a matrix :remember=Matrix[ []     ]
> and this line remember[0,0]=3
> why do i have this error at that line:  undefined method `[]=' for
> Matrix[[]]:Matrix (NoMethodError)
> 
> and how do i set values for my matrix only with one row

Matrix is immutable, so there is no method []= to assign values.
[]= is the method called in remember[0,0]=3, it is just syntax sugar for 
remember.[]=(0,0,3).

Maybe you want nested arrays instead.

Regards
Stefan

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