@akshata, sravanreddy: yes, for more info regarding matrix expo. you can go
through http://zobayer.blogspot.com/2010/11/matrix-exponentiation.html
On Mon, May 23, 2011 at 7:28 AM, Akshata Sharma
<akshatasharm...@gmail.com>wrote:
> @sravanreddy001
> by matrix exponential method, we can calculate the nth fibonacci number in
> logarithmic time.
>
>
> On Mon, May 23, 2011 at 7:39 PM, anshu mishra
> <anshumishra6...@gmail.com>wrote:
>
>> @sravanreddy001
>> suppose u have to calulate A^n u can calculate in O(d^3*log(n));
>> d is dimesion of matrixl
>> while (n)
>> {
>> if (n&1) mul(ans, A, d);
>> mul(A, A, d);
>> n >>=1;
>> }
>>
>>
>> --
>> Anshuman Mishra
>> IIIT Allahabad
>> -----------------
>>
>> anshumishra6...@gmail.com
>> rit2007...@iiita.ac.in
>>
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