In general it is assumed to be positive semi definite. What are the consequences of assuming the cov matrix as positive definite
Does anyone have the latex template for Taylor & Francis journal of electrical power & components?
04 May 2016 3,189 2 View
I need the matlab code for Ibrahim time domain technique
03 April 2016 7,396 0 View
I need to get the impulse response from natural excitation technique.Can anyone give me the matlab code for Natural excitation technique?
02 March 2015 319 3 View
I have found that sometimes inverse and pseudo inverse of a covariance matrix are the same whereas it is not true always. is there any relation between pseudoinverse and nonsingularity?
10 November 2014 8,801 2 View
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10 November 2014 1,689 0 View
If I use the actual frequency for a ramp signal to calculate phase, I get the correct phase. But if I use the estimated frequency (which has fluctuations) for phase calculation, I get phase...
10 November 2014 8,138 1 View
10 November 2014 2,110 0 View
I got an example of the code varpro where three variables (alpha1, alpha2 and alpha3) are used with two basis functions (phi1 ,phi2) which are functions of alpha. I need to model the signal for...
09 October 2014 6,482 1 View
I need a simple explanation based on linear algebra.
09 October 2014 4,231 0 View
Let F be a field. Consider U, the set of n times n strictly upper triangular matrices in F. For X, Y in U, we call them similar if there exists some S, which is non-degenerate and upper...
01 March 2021 2,957 8 View
Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...
01 March 2021 8,169 2 View
When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?
28 February 2021 3,864 3 View
How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...
28 February 2021 7,397 8 View
Hello. I have a skewed elliptical coordinate system (I use alternative elliptical coordinates). And I need to determine connections between coordinates in order to fetch a covariance matrix of...
28 February 2021 364 3 View
I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...
28 February 2021 5,415 1 View
If I want to compare characteristics of 2 groups of patients, one group is recruited from a random sample of the general public while another group is from a sample with a fixed gender (male to...
26 February 2021 3,526 3 View
I am trying to make an SEM model in AMOS for my dissertation but having some trouble with getting a good fit. I am looking for relationships between self-efficacy reported on a Likert scale and...
26 February 2021 8,642 4 View
Has anyone ever tried to deliver CO2 with a CGA 300 regulator? I know that a CGA 320 regulator is standard for CO2. The issue is that I currently do not have any free CGA 320 regulators. I also...
25 February 2021 3,292 3 View
Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....
24 February 2021 5,383 5 View