What are the differences between PCA and SVD decomposition approaches?

Is there essentially a difference? Which one is optimal or low complexity ? is here a relation with the rank?

08 September 2019 2,151 3 View

What is the simplest way to solution of a single variable nonlinear equation?

what is the simplest way to solution of a single variable nonlinear equation?

04 May 2017 8,238 2 View

Is the Output of correlator always Gaussian?

04 May 2017 9,664 0 View

What is definition of a convex monotonic increasing function?

03 April 2017 258 1 View

Please consider standard hmax model and a cell array as output of the c2 layer. which of them is our feature vector for classification?

11 December 2016 4,956 1 View

Can we measure the effect of noise on a chaotic signal using the lyapunov exponent?

hi dear all.assume that a chaotic signal is received from the two different noisy channels. can we measure the effect of noise on a chaotic signal using the Lyapunov exponent? or you prefer...

07 August 2016 5,354 4 View

Is there any mathematical demonstration for advantage of the chaotic spreading sequence compared with the gold or other spreading sequences?

07 August 2016 327 0 View

Hi dear all; consider 5 complex nonlinear equations with 5 variables. what is the simplest method for solution?

hi dear all; consider 5 complex nonlinear equations with 5 variables. what is the simplest method for solution?

01 January 1970 4,200 6 View

Is this logarithmic expression a convex function?

01 January 1970 8,485 3 View

How can we calculate the entropy of chaotic signals in a communication system?

01 January 1970 8,122 2 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View