bulz Posted March 22, 2012 Share Posted March 22, 2012 Does anyone knows a good reference of algorithm that I can use to find Eigen Value and Eigen Matrix? Assumption: Matrix larger than 2x2 min 3x3. Thanks before Link to comment https://forums.phpfreaks.com/topic/259494-matrix-to-eigen-value-and-eigen-matrix/ Share on other sites More sharing options...
bulz Posted March 27, 2012 Author Share Posted March 27, 2012 I'm sorry, it's not eigen matrix but eigen vector. I've found a way to get eigen value using newton raphson. But, it won't give me eigen vector.. Anybody knows? :'( Link to comment https://forums.phpfreaks.com/topic/259494-matrix-to-eigen-value-and-eigen-matrix/#findComment-1331599 Share on other sites More sharing options...
Jessica Posted March 27, 2012 Share Posted March 27, 2012 so what class is this for? Link to comment https://forums.phpfreaks.com/topic/259494-matrix-to-eigen-value-and-eigen-matrix/#findComment-1331657 Share on other sites More sharing options...
bulz Posted March 28, 2012 Author Share Posted March 28, 2012 Linear algebra I think. I would like to code this problems. Since x^a + y^b+z^c+u=0 where a(the highest power) > 3 i can't use formula which can be used if value of a max 2. If the biggest power is 2, I can use( -b + root(b^2-4ac))/2a.. Thanks Link to comment https://forums.phpfreaks.com/topic/259494-matrix-to-eigen-value-and-eigen-matrix/#findComment-1331797 Share on other sites More sharing options...
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