dlcheng
PhD in theoretical physics. Specialized in parallel computing, deep learning and deep thinking. Deputy director of Iflytek Research South China.
Pinned Repositories
3rd-PT
A code to calculate the third order perturbation theory
cifar10-keras
91.5% accuracy of CIFAR10 on keras
DDM-frac-hosts
Extract the fraction distribution of ddm particles as a function of halo mass
DDM-free-streaming
Free streaming length of DDM
DDM-halo-model
To calculate the halo model of ddm to get the non-linear power spectrum
DDM-snapshot-analysis
Analyze AHF and Gadget outputs of halos
DDM-VF
This code can calculate the empirical velocity function of CDM, WDM and DDM. The observed data comes from Klypin’s paper on the local HI survey.
Gadget2-ddm
The extended Gadget2 with the particle update algorithm of solving the structure formation of decaying dark matter.
Minimal-sigma
Minimize Eq.(4) of Angulo and White (2009) to obtain the best length scaling relation and redshift mapping between two simulations.
Neff_Alpha
To find a relation between the neff and the correction of the RSD window function
dlcheng's Repositories
dlcheng/cifar10-keras
91.5% accuracy of CIFAR10 on keras
dlcheng/DDM-frac-hosts
Extract the fraction distribution of ddm particles as a function of halo mass
dlcheng/DDM-free-streaming
Free streaming length of DDM
dlcheng/DDM-halo-model
To calculate the halo model of ddm to get the non-linear power spectrum
dlcheng/DDM-snapshot-analysis
Analyze AHF and Gadget outputs of halos
dlcheng/DDM-VF
This code can calculate the empirical velocity function of CDM, WDM and DDM. The observed data comes from Klypin’s paper on the local HI survey.
dlcheng/Minimal-sigma
Minimize Eq.(4) of Angulo and White (2009) to obtain the best length scaling relation and redshift mapping between two simulations.
dlcheng/Neff_Alpha
To find a relation between the neff and the correction of the RSD window function
dlcheng/deepvariant
DeepVariant is an analysis pipeline that uses a deep neural network to call genetic variants from next-generation DNA sequencing data.
dlcheng/Downgrade-jing
Generate smaller samples of Jing's simulation
dlcheng/Gpower
Calculate gadget file power spectrum with FFT and OpenMP
dlcheng/Growth-rate
The dimenssionless growth rate of a flat universe
dlcheng/H-DenseUNet
dlcheng/Hadoop-book-example-6-3
This is corrected version of POM for Hadoop definitive guide 4th edition Chapter 6, where the original POM does not work with mrunit.
dlcheng/Halo-profile-fit
Fitting the halo density profile with the generalized NFW form.
dlcheng/Halo-shape
The code combines the AHF outputs and an adaptive algorithm to determine a consistent isodensity regions and fits the triaxial shape of the halos.
dlcheng/Halo-shape-theory
Modeling the halo shape parameters distribution with the Zeldovich approximation. A generalization of including the local type non-Gaussianity is also considered.
dlcheng/Interp-2d
A realization of 2 dimensional interpolation using spline functions.
dlcheng/jabref
Graphical Java application for managing BibTeX and biblatex (.bib) databases
dlcheng/keras
Deep Learning library for Python. Convnets, recurrent neural networks, and more. Runs on TensorFlow or Theano.
dlcheng/Linear-PS
A quick tool to calculate the linear power spectrum of a given cosmology.
dlcheng/LTic
Local Type non-Gaussianity Initial Condition (LTic) generator. This produces the IC for N-body simulation with possible local type Fnl. Parallelization through OpenMP is utilized.
dlcheng/Mass-function
A handy tool to calculate the theoretical mass function of cold dark matter cosmology. Different models of f(v) can be easily extended based on the code.
dlcheng/Mini-tab-data
Convertor of the NCDC data to mini tab format as required by the Pig or Hive query
dlcheng/mmdetection
Open MMLab Detection Toolbox
dlcheng/models
Models built with TensorFlow
dlcheng/RSD-window
The code computes the density power spectrum and the velocity field power spectrum to obtain the window function of the redshift space distortion. The search grid algorithm is utilized to determine the velocity field on grids. The code implements OpenMP to accelerate the computing.
dlcheng/Shell-tools
Pretty handy shell tools: (1) find files in local dir (2) count the lines of all files of common suffix (3) delete files except certain ones.
dlcheng/Snapshot-picture
Density field is computed with the NP method. A slice of the simulation output is used to generate the picture.
dlcheng/Zoom-in-mask
The Lagrange masks of the halos of the final output are computed combining the information of the initial condition.