How do I calculate the box counting dimension of a figure in plane?

It is so easy to understand the principle of this algorithm to quantify fractal dimension of a figure but I don't know where to start to write the code to implement that.

05 June 2014 1,443 5 View

Is there any limitation in determining entropy like MSE from time series?

How many data points are needed and how long should recording continue? For example Mandela Costa et al have recorded ECG data about 10 hours at 250 Hz. Is it obliged to record such a long time...

31 December 2013 4,311 1 View

Is calculating entropy from any biological signal acceptable?

It has been common to obtain ApEn, SampEn and MSEn for biological signal like Heart rate, gait intervals, and postural sways. I'm curios to know if it is true to use entropy methods for...

09 October 2013 2,705 12 View

What is the best way to prepare an stick figure of human gait?

Is there any software that give us stick figures? How could I write the code by myself (in Matlab)? I know how to write Matlab codes, but I don't how to start a program that receives data points...

05 June 2013 845 5 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View