VincentTam

# input
a = int(input("Donner la valeur de a: "))
b = int(input("Donner la valeur de b: "))

# avant échange
print("a = ",a)
print("b = ",b)

# échange 
a, b = b, a

VincentTam

Nvec = 10000:10000:1000000;  % no of intervals
rrsumvec = zeros(size(Nvec));
for ind = 1:length(Nvec)
    N = Nvec(ind);
    dx = 5 / N;
    x = (1:N) * dx;
    fx = sqrt(25 - x.^2);
    rrsum(ind) = sum(fx * dx);
end
 

VincentTam

My answer to a deleted question Interpretation of exponentation and permutation on math.SE

WayneXMayersX asked this question.

Question

I have $3^3$, can I call it a permutation/permutation with repetition?

VincentTam

# Show dual simplex tableau
# Prereq: matrix A, vectors b,c, basis
printf("Current basis:"); printf(" %2i", basis); disp("");
B = A(:,basis); cB = c(basis);
Bm1A = B\A; xB = B\b; zrow = cB'*Bm1A-c'; zval = cB'*xB;
if length(xB(xB<0)) >= 1
    ovp = find(xB==min(xB(xB<0)))(1);
    r = zrow./Bm1A(ovp,:); # ratio for display
    T = [0:size(A)(2) 0; basis' Bm1A xB; 0 zrow zval; 0 r 0]
    # compute min ratio

VincentTam

# Show simplex tableau
# Prereq: matrix A, vectors b,c, basis
printf("Current basis:"); printf(" %2i", basis); disp("");
B = A(:,basis); cB = c(basis);
Bm1A = B\A; x_B = B\b; zrow = cB'*Bm1A-c'; zval = cB'*x_B;
nv = find(zrow==min(zrow(zrow<=0)))(1);
r = x_B./Bm1A(:,nv);
T = [0:size(A)(2) 0 0; basis' Bm1A x_B r; 0 zrow zval 0]
if length(r(r>=0)) >= 1
    ovp = find(r==min(r(r>=0)))(1);

VincentTam

#include <stdio.h>

float myfct(int i) {
  return i == 1? 1 : (366.0-i)/365.0*myfct(i - 1);
}

int main() {
  int i;
  double ans;
  printf("Enter a value: ");

VincentTam

Valeur de timbre (€) | Quantité
---------------------+---------
                0.71 |        0
                0.73 |        0
                1.46 |        1
                2.92 |        6
                0.85 |        0
                1.70 |        0
                3.40 |        7
                1.30 |        0

VincentTam

" Vundle settings
set nocompatible              " be iMproved, required
filetype off                   " required

" set the runtime path to include Vundle and initialize
set rtp+=$HOME/vimfiles/bundle/Vundle.vim
"call vundle#begin()
" alternatively, pass a path where Vundle should install plugins
call vundle#begin('$HOME/vimfiles/bundle/')

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set nocompatible
filetype off
let iCanHazVundle=1
let vundle_readme=expand("~/.vim/bundle/vundle/README.md")
if !filereadable(vundle_readme)
    echo "Installing Vundle.."
    echo ""
    silent !mkdir -p ~/.vim/bundle
    silent !git clone https://github.com/gmarik/vundle ~/.vim/bundle/vundle
    let iCanHazVundle=0

VincentTam

\documentclass[tikz]{standalone}
\usetikzlibrary{calc,through}
\begin{document}
\begin{tikzpicture}[scale = 2]
  \coordinate [label=left:$O$] (O) at (0,0);
  \coordinate [label=left:$L$] (L) at (0.7,1.1);
  \coordinate [label=below:$S_n$] (Sn) at (0.6,0.7);
  \coordinate (SqCorn1) at (0.2,0.6);
  \coordinate (SqCorn2) at (1.2,1.6);
  \coordinate (SqCorn3) at (1.2,0.6);