knedlsepp

function d = distancePointsAffineSpace(Points, Space)
lengths = @(X) sqrt(sum(X.^2,2));
d = lengths(Points - projectPointsOntoAffineSpace(Points, Space));
end

function [projectedPoints, coordinates] = projectPointsOntoAffineSpace(Points, Space)
%coordinates are with respect to an orthonormal base located in Space(1,:)
dirVecs = bsxfun(@minus, Space(2:end,:), Space(1,:));
% Orthonormalize the direction vectors;
dirVecs = orth(dirVecs.').';

knedlsepp

%% %% Requirements:
%%   distancePointsAffineSpace: 
%%       https://gist.github.com/knedlsepp/3e37f147cb4c94ae6223
%%   affineSpaceIntersection:
%%       https://github.com/knedlsepp/affineSpaceIntersection/blob/master/affineSpaceIntersection.m
%%   uniquetol:
%%       http://www.mathworks.com/matlabcentral/fileexchange/27498-unique-with-tolerance/content/uniquetol.m


%% // Read dataset

knedlsepp

clear;
data = [ 475.  ,  605.75,    1.;
    571.  ,  586.5 ,    2.;
    233.  ,  558.5 ,    3.;
    669.5 ,  562.75,    4.;
    291.25,  546.25,    5.;
    759.  ,  536.25,    6.;
    362.5 ,  531.5 ,    7.;
    448.  ,  513.5 ,    8.;
    834.5 ,  510.  ,    9.;

knedlsepp

knedlsepp

{nixpkgs ? null}:
let
  sysPkg = import <nixpkgs> { };
  pinnedPkg = sysPkg.fetchFromGitHub {
    owner = "NixOS";
    repo = "nixpkgs";
    rev = "cf62a27a326a9cdbb01d627b1faaea3a0d5e886c";
    sha256 = "1q74ciqq5r17vidw2025x8idsncz9k7w60warrij4q7piaffgvd7";
  };
  pkgs = if nixpkgs==null then

knedlsepp

Nix

Prerequisites

• wget is installed
• tar is installed

Purpose

If you really don't want to install Nix under /nix (or you can't) then you can install Nix

knedlsepp

let 
  lib = (import <nixpkgs> { overlays = []; }).lib;
  composeOverlays = lib.foldl' lib.composeExtensions (self: super: {});
in
composeOverlays [(import ./overlay1.nix)
                 (import ./overlay2.nix)
                 (self: super: {package30 = self.htop; })
                ]

knedlsepp

{nixpkgs, ngsolveSrc}:
rec {
  build = with import <nixpkgs> { };
  releaseTools.nixBuild {
    name = "ngsolve";
    src = ngsolveSrc;
    doCheck = true;
    preConfigure = ''
      echo "Prevent ngsolve from downloading catch manually"
      substituteInPlace CMakeLists.txt \

knedlsepp

#!/usr/bin/env $SHELL
alias lsblk="lsblk -o MODEL,VENDOR,NAME,LABEL,SIZE,MOUNTPOINT,FSTYPE"
alias gramps="nix-env -p /nix/var/nix/profiles/system --list-generations"
alias nixos-rebuild="nixos-rebuild -j 6 --cores 8"
      #
      # -j is how many "jobs" or simultaneous computational processes run in tandem
      # --cores is how many CPU cores you want to use
      # How do you get these values? `cat /proc/cpuinfo` and look at the number of
      # returned "CPUs". They're zero indexed, so if you get the last one as object
      # number seven (7), you have 8 cores.

knedlsepp

# Examples taken from:
# https://github.com/NixOS/nixpkgs/blob/c58b11d229f63a85ee1d05fc9940a20fa2b73975/pkgs/build-support/docker/examples.nix
# Usage:
#  $ nix-build -A redis
#  $ docker load < result
{ nixpkgs ? (builtins.fetchGit {
    url = git://github.com/NixOS/nixpkgs-channels;
    ref = "nixos-18.09";
    rev = "c58b11d229f63a85ee1d05fc9940a20fa2b73975";
  })