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  • 0 posts edited
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Feb
6
comment Fail to understand elementary matrices properties in matrix LU factorization.
thanks for your explanation dear Marc. Honestly I didn't completely get it yet.can you provide me an example please?
Nov
23
comment Problem with with derivative of integral
I think this question is just about derivation of an integral on a variable.
Nov
23
comment Problem with with derivative of integral
we define z=xy . z is new R.V
Nov
23
comment Problem with with derivative of integral
'f' is probability density function and 'F' is cumulative distribution function.although I think it is not helping to know about F and f in order to solve the above formulation.
Nov
25
comment has deleting node in a binary search tree Displacement feature?
deleting means that for example detele('4') removes node with key 4 from our tree.
Nov
25
comment has deleting node in a binary search tree Displacement feature?
a simple binary search tree keys in all nodes(include leaves).being balance is not required.
Oct
12
comment implicit equation for covering a $3\times{n}$ face with $2\times{1}$ mosaics with recursion solution?
thanks Brian for your complete and step by step solution.i learned it good.also i will plan to read the materials that you suggested
Oct
12
comment implicit equation for covering a $3\times{n}$ face with $2\times{1}$ mosaics with recursion solution?
i used implicit for terms like that i wrote in my post and explicit for a single term for example a0(k0)^n