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Recent content by wajahat

  1. W

    Is it possible to find the complexity, e.g., O(n) etc., of non closed form solutions

    Hi all, I want to find the complexity of problems with no closed form solution. Is it possible? For example, finding the intersection area of N circles has a non closed form solution. It is solved using monte carlo methods. Is possible to find the complexity of solution. With complexity i mean...
  2. W

    GPS receiver providing raw data

    Hi all, i am looking for a gps receiver that provides access to raw data. By raw data i mean the covariance matrix of the error estimates calculated by the filter(e.g. kalman) inside the gps receiver. Also it would be nice to get access to all the estimates of the kalman filter...
  3. W

    Loss tangent of High resistive silicon substrate in HFSS

    wht is difference between dielectric and magnetic loss tangent? how to set loss tangent for High resistive silicon in HFSS. either we have to change dielectric or magnetic loss tangent which one should be changed?
  4. W

    Difference between impedance matching and power matching

    Hi all, i want to know whats the difference between impedance and power matching in circuits. I doubt that they are same. Thanking all in anticipation. regards
  5. W

    pdf of product of two random variables

    Hi all, When we add two random variables,their pdfs are convolved(central limit theorem) .I want to know what happens to the pdf when two random variables are multiplied.Is there any general rule like addition? Thanking all in anticipation. regards wajahat
  6. W

    interchange of operaoters in mathematics

    Hi all, i want to know what are the rules for interchanging operators is mathematics i.e. we usually interchange differentiation with integration in an equation. What are the rules which govern these interchanges.This question is not specific for integration and differentiation...
  7. W

    why an accelerometer can't measure yaw?

    accelerometer pitch yaw Hi All, i want to know is it possible to measure all three angles roll pitch and yaw using accelerometer along all three axis?if not why?And also what help gyro provides in this regard? Any literature in this regard would be helpful. regards wajahat
  8. W

    question regarding routing

    Hi all, i have a question regarding routing.Is it possible for an intermediate router to identify which ack corresponds to which packet it forwarded previoulsy. Thankin you in anticipation. regards wajahat hussain
  9. W

    question regarding cryptography

    Hello all, i want to know is there any cryptography technique in which there is no prior information such as password ,keys etc to both the parties but still they are able to authenticate each other. regards wajahat
  10. W

    differene b/w linear and statistical independence

    Hello All, i want to know whats the difference between linear independence and statistical independence or more appropriately whats the relationship between linear and statistical independence. Thanking all in anticipation.Any response would be appreciated. regards wajahat
  11. W

    How to rejoin RGB in matlab???

    matlab index to rgb Hello , im(:,:,1)=R im(:,:,2)=G im(:,:,3)=B regards wajahat
  12. W

    port programming using python

    python com port programming Hi all, i am doing socket programming using python.What my code does (i guess) is that it sends two UDP packets back to back to a relay server.The server sends these packets back to my machine immediately.After receiving the first packet i note the time...
  13. W

    question about the concept of tight bound

    Hi, tight bound means a bound which can be achieved.One can compare this to bounds which have been defined but not achieved so far. regards wajahat
  14. W

    HOFMAN CODING - REQUEST FOR RESOURCES

    Re: HOFMAN CODING Hi! its an optimal coding technique in which the average codeword length approaches the uncertainity within one symbol but its better than the shannon's coding. Here, the two least probable symbols are combined into one super symbol(in case of binary coding), such that the...
  15. W

    coloumn space and left null space

    :?: Hi all! I would like to know why coloumn space of a correlation matrix is called "Signal sub-Space" and the left null space is called the noise subspace.?I would appreciate any response.. Regards, Wajahat.
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