Rough creative solution for Moore Neighbourhood by LukeSolo - python coding challenges

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Rough solution in Creative category for Moore Neighbourhood by LukeSolo

f=lambda m,x,y:0<=x
                        Oct. 4, 2014

                        
                            Comments:
                            
                                
                                    veky
 on Oct. 4, 2014, 8:07 a.m.

                                    <p>.71 is nice. Couldn't .8 work too? :-)</p>

<p>Also, 0&lt;=y&lt; len(m[x]) wouldn't cost you a char, yet would be more explicit. ;-)</p>

<p>And those int() calls would be more appropriate in []s at the end of first line. Lines length would be more balanced. ;-)</p>

                                
                            
                                
                                    LukeSolo
 on Oct. 4, 2014, 9:13 a.m.

                                    <p>Hm, didn't test it. But this will be very rough. :D</p>

<p>Without int() in second line, comparisons in first line gives wrong answers. :) </p>

                                
                            
                                
                                    veky
 on Oct. 4, 2014, 9:42 a.m.

                                    <blockquote>
  <p>this will be very rough. :D</p>
</blockquote>

<p>I thought that was the point. :-D</p>

<blockquote>
  <p>comparisons give wrong results</p>
</blockquote>

<p>Ah, yes. Sorry.</p>

                                
                            
                                
                                    flex
 on Oct. 11, 2014, 12:09 a.m.

                                    <p>Hi.I can't understand how it works(.
Can you write, what formula did you use?</p>

                                
                            
                                
                                    LukeSolo
 on Oct. 12, 2014, 1:55 a.m.

                                    <p>Hi. I've used rotation matrix.</p>

<p>|cos(a) -sin(a)|</p>

<p>| sin(a) cos(a)|</p>

                                
                            
                                
                                    flex
 on Oct. 12, 2014, 2:54 a.m.

                                    <p>Thanks</p>

                                
                            
                                
                                    springulum
 on Jan. 19, 2015, 12:11 a.m.

                                    <p>lol rotation matrix??? XD</p>

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