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"\\end{array} \\\\\n",
"y_{1}, y_{2}, y_{3} \\geq 0\n",
"\\end{array}$$"
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"$$\\newcommand{\\Bold}[1]{\\mathbf{#1}}\\left(\\begin{array}{r|rrrrrr|r}\n",
"{Basic} & {x}_{1} & {x}_{2} & {x}_{3} & {\\color{green}{s}}_{1} & {\\color{green}{s}}_{2} & {\\color{green}{s}}_{3} & {b} \\\\\n",
"\\hline\n",
" {\\color{green}{s}}_{1} & 3 & 2 & 1 & 1 & 0 & 0 & 12 \\\\\n",
"{\\color{green}{s}}_{2} & 15 & 25 & 40 & 0 & 1 & 0 & 310 \\\\\n",
"{\\color{green}{s}}_{3} & 9 & 20 & 30 & 0 & 0 & 1 & 200 \\\\\n",
"\\hline\n",
" {Z_{ind}} & 60 & 40 & 70 & 0 & 0 & 0 & 0\n",
"\\end{array}\\right)$$"
],
"text/plain": [
"[ B| x1 x2 x3 s1 s2 s3|rhs]\n",
"[---+-----------------------+---]\n",
"[ s1| 3 2 1 1 0 0| 12]\n",
"[ s2| 15 25 40 0 1 0|310]\n",
"[ s3| 9 20 30 0 0 1|200]\n",
"[---+-----------------------+---]\n",
"[ Z| 60 40 70 0 0 0| 0]"
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"text": [
" \n",
" \n",
"cambio( 3 , 3 )\n"
]
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"$$\\newcommand{\\Bold}[1]{\\mathbf{#1}}\\left(\\begin{array}{r|rrrrrr|r}\n",
"{Basic} & {x}_{1} & {x}_{2} & {x}_{3} & {\\color{green}{s}}_{1} & {\\color{green}{s}}_{2} & {\\color{green}{s}}_{3} & {b} \\\\\n",
"\\hline\n",
" {\\color{green}{s}}_{1} & \\frac{27}{10} & \\frac{4}{3} & 0 & 1 & 0 & -\\frac{1}{30} & \\frac{16}{3} \\\\\n",
"{\\color{green}{s}}_{2} & 3 & -\\frac{5}{3} & 0 & 0 & 1 & -\\frac{4}{3} & \\frac{130}{3} \\\\\n",
"{x}_{3} & \\frac{3}{10} & \\frac{2}{3} & 1 & 0 & 0 & \\frac{1}{30} & \\frac{20}{3} \\\\\n",
"\\hline\n",
" {Z_{ind}} & 39 & -\\frac{20}{3} & 0 & 0 & 0 & -\\frac{7}{3} & \\frac{1400}{3}\n",
"\\end{array}\\right)$$"
],
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"[ B| x1 x2 x3 s1 s2 s3| rhs]\n",
"[------+-----------------------------------------+------]\n",
"[ s1| 27/10 4/3 0 1 0 -1/30| 16/3]\n",
"[ s2| 3 -5/3 0 0 1 -4/3| 130/3]\n",
"[ x3| 3/10 2/3 1 0 0 1/30| 20/3]\n",
"[------+-----------------------------------------+------]\n",
"[ Z| 39 -20/3 0 0 0 -7/3|1400/3]"
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"text": [
"cambio( 1 , 1 )\n"
]
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"$$\\newcommand{\\Bold}[1]{\\mathbf{#1}}\\left(\\begin{array}{r|rrrrrr|r}\n",
"{Basic} & {x}_{1} & {x}_{2} & {x}_{3} & {\\color{green}{s}}_{1} & {\\color{green}{s}}_{2} & {\\color{green}{s}}_{3} & {b} \\\\\n",
"\\hline\n",
" {x}_{1} & 1 & \\frac{40}{81} & 0 & \\frac{10}{27} & 0 & -\\frac{1}{81} & \\frac{160}{81} \\\\\n",
"{\\color{green}{s}}_{2} & 0 & -\\frac{85}{27} & 0 & -\\frac{10}{9} & 1 & -\\frac{35}{27} & \\frac{1010}{27} \\\\\n",
"{x}_{3} & 0 & \\frac{14}{27} & 1 & -\\frac{1}{9} & 0 & \\frac{1}{27} & \\frac{164}{27} \\\\\n",
"\\hline\n",
" {Z_{ind}} & 0 & -\\frac{700}{27} & 0 & -\\frac{130}{9} & 0 & -\\frac{50}{27} & \\frac{14680}{27}\n",
"\\end{array}\\right)$$"
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"[ B| x1 x2 x3 s1 s2 s3| rhs]\n",
"[--------+-----------------------------------------------------+--------]\n",
"[ x1| 1 40/81 0 10/27 0 -1/81| 160/81]\n",
"[ s2| 0 -85/27 0 -10/9 1 -35/27| 1010/27]\n",
"[ x3| 0 14/27 1 -1/9 0 1/27| 164/27]\n",
"[--------+-----------------------------------------------------+--------]\n",
"[ Z| 0 -700/27 0 -130/9 0 -50/27|14680/27]"
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"$$\\newcommand{\\Bold}[1]{\\mathbf{#1}}\\left(\\begin{array}{r|rrrrrr|r}\n",
"{Basic} & {x}_{1} & {x}_{2} & {x}_{3} & {\\color{green}{s}}_{1} & {\\color{green}{s}}_{2} & {\\color{green}{s}}_{3} & {b} \\\\\n",
"\\hline\n",
" {x}_{1} & 1 & \\frac{40}{81} & 0 & \\frac{10}{27} & 0 & -\\frac{1}{81} & \\frac{160}{81} \\\\\n",
"{\\color{green}{s}}_{2} & 0 & -\\frac{85}{27} & 0 & -\\frac{10}{9} & 1 & -\\frac{35}{27} & \\frac{1010}{27} \\\\\n",
"{x}_{3} & 0 & \\frac{14}{27} & 1 & -\\frac{1}{9} & 0 & \\frac{1}{27} & \\frac{164}{27} \\\\\n",
"\\hline\n",
" {Z_{ind}} & 0 & -\\frac{700}{27} & 0 & -\\frac{130}{9} & 0 & -\\frac{50}{27} & \\frac{14680}{27}\n",
"\\end{array}\\right)$$"
],
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"[ B| x1 x2 x3 s1 s2 s3| rhs]\n",
"[--------+-----------------------------------------------------+--------]\n",
"[ x1| 1 40/81 0 10/27 0 -1/81| 160/81]\n",
"[ s2| 0 -85/27 0 -10/9 1 -35/27| 1010/27]\n",
"[ x3| 0 14/27 1 -1/9 0 1/27| 164/27]\n",
"[--------+-----------------------------------------------------+--------]\n",
"[ Z| 0 -700/27 0 -130/9 0 -50/27|14680/27]"
]
},
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{
"name": "stdout",
"output_type": "stream",
"text": [
"El problema es óptimo\n"
]
}
],
"source": [
"tipo='max' #max o min\n",
"n=3 # número de variables x's\n",
"m=3 # número de restricciones (distintas de las de signo)\n",
"\n",
"\n",
"c=matrix(QQ,1,n,[60,40,70] ) # vector de costos\n",
"\n",
"A=matrix(QQ,m,n,[ # coeficientes de las variables x's\n",
"[3,2,1],\n",
"[15,25,40],\n",
"[9,20,30]\n",
"])\n",
"\n",
"b=matrix(QQ,m,1,[12,310,200]) # vector de la derecha\n",
"\n",
"\n",
"\n",
"######################################################\n",
"############### VARIABLES DE HOLGURA ################\n",
"\n",
"\n",
"h=matrix(ZZ,1,m,[1,1,1]) # variables de holgura: \n",
" # Pon 1 si va sumando, \n",
" # -1 si va restando y \n",
" # 0 si no hay variable de holgura.\n",
"\n",
"#######################################################\n",
"\n",
"####################################################################\n",
"############ HASTA AQUÍ LOS DATOS ################################\n",
"####################################################################\n",
"\n",
"\n",
"#load('https://sage.unex.es/501708/simplex2023Auto.sage')\n",
"load('https://sage.unex.es/501708/simplex2023Auto_MC.sage')\n"
]
},
{
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"execution_count": 18,
"metadata": {},
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"$$\\newcommand{\\Bold}[1]{\\mathbf{#1}}\\left(\\begin{array}{r|rrrrrrr|r}\n",
"{Basic} & {x}_{1} & {x}_{2} & {x}_{3} & {\\color{green}{s}}_{1} & {\\color{green}{s}}_{2} & {\\color{green}{s}}_{3} & {\\color{green}{s}}_{4} & {b} \\\\\n",
"\\hline\n",
" {x}_{1} & 1 & \\frac{40}{81} & 0 & \\frac{10}{27} & 0 & -\\frac{1}{81} & 0 & \\frac{160}{81} \\\\\n",
"{\\color{green}{s}}_{2} & 0 & -\\frac{85}{27} & 0 & -\\frac{10}{9} & 1 & -\\frac{35}{27} & 0 & \\frac{1010}{27} \\\\\n",
"{x}_{3} & 0 & \\frac{14}{27} & 1 & -\\frac{1}{9} & 0 & \\frac{1}{27} & 0 & \\frac{164}{27} \\\\\n",
"{\\color{green}{s}}_{4} & 0 & \\frac{14}{27} & 0 & -\\frac{1}{9} & 0 & \\frac{1}{27} & 1 & -\\frac{25}{27} \\\\\n",
"\\hline\n",
" {Z_{ind}} & 0 & -\\frac{700}{27} & 0 & -\\frac{130}{9} & 0 & -\\frac{50}{27} & 0 & \\frac{14680}{27}\n",
"\\end{array}\\right)$$"
],
"text/plain": [
"[ B| x1 x2 x3 s1 s2 s3 s4| rhs]\n",
"[--------+--------------------------------------------------------------+--------]\n",
"[ x1| 1 40/81 0 10/27 0 -1/81 0| 160/81]\n",
"[ s2| 0 -85/27 0 -10/9 1 -35/27 0| 1010/27]\n",
"[ x3| 0 14/27 1 -1/9 0 1/27 0| 164/27]\n",
"[ s4| 0 14/27 0 -1/9 0 1/27 1| -25/27]\n",
"[--------+--------------------------------------------------------------+--------]\n",
"[ Z| 0 -700/27 0 -130/9 0 -50/27 0|14680/27]"
]
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"source": [
"v=matrix(QQ,1,nv,[0,0,-1,0,0,0] ); R=-7;añadeRes(v,R)"
]
},
{
"cell_type": "code",
"execution_count": 19,
"metadata": {},
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{
"data": {
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"[ NO NO NO 130.00 NO NO NO]"
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"metadata": {},
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"$$\\newcommand{\\Bold}[1]{\\mathbf{#1}}\\left(\\begin{array}{r|rrrrrrr|r}\n",
"{Basic} & {x}_{1} & {x}_{2} & {x}_{3} & {\\color{green}{s}}_{1} & {\\color{green}{s}}_{2} & {\\color{green}{s}}_{3} & {\\color{green}{s}}_{4} & {b} \\\\\n",
"\\hline\n",
" {x}_{1} & 1 & \\frac{20}{9} & 0 & 0 & 0 & \\frac{1}{9} & \\frac{10}{3} & -\\frac{10}{9} \\\\\n",
"{\\color{green}{s}}_{2} & 0 & -\\frac{25}{3} & 0 & 0 & 1 & -\\frac{5}{3} & -10 & \\frac{140}{3} \\\\\n",
"{x}_{3} & 0 & 0 & 1 & 0 & 0 & 0 & -1 & 7 \\\\\n",
"{\\color{green}{s}}_{1} & 0 & -\\frac{14}{3} & 0 & 1 & 0 & -\\frac{1}{3} & -9 & \\frac{25}{3} \\\\\n",
"\\hline\n",
" {Z_{ind}} & 0 & -\\frac{280}{3} & 0 & 0 & 0 & -\\frac{20}{3} & -130 & \\frac{1270}{3}\n",
"\\end{array}\\right)$$"
],
"text/plain": [
"[ B| x1 x2 x3 s1 s2 s3 s4| rhs]\n",
"[------+------------------------------------------------+------]\n",
"[ x1| 1 20/9 0 0 0 1/9 10/3| -10/9]\n",
"[ s2| 0 -25/3 0 0 1 -5/3 -10| 140/3]\n",
"[ x3| 0 0 1 0 0 0 -1| 7]\n",
"[ s1| 0 -14/3 0 1 0 -1/3 -9| 25/3]\n",
"[------+------------------------------------------------+------]\n",
"[ Z| 0 -280/3 0 0 0 -20/3 -130|1270/3]"
]
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"source": [
"cambio(4,4)"
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},
{
"cell_type": "code",
"execution_count": 21,
"metadata": {},
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"$$\\newcommand{\\Bold}[1]{\\mathbf{#1}}\\left(\\begin{array}{r|rrrrrrrr|r}\n",
"{Basic} & {x}_{1} & {x}_{2} & {x}_{3} & {\\color{green}{s}}_{1} & {\\color{green}{s}}_{2} & {\\color{green}{s}}_{3} & {\\color{green}{s}}_{4} & {\\color{green}{s}}_{5} & {b} \\\\\n",
"\\hline\n",
" {x}_{1} & 1 & \\frac{20}{9} & 0 & 0 & 0 & \\frac{1}{9} & \\frac{10}{3} & 0 & -\\frac{10}{9} \\\\\n",
"{\\color{green}{s}}_{2} & 0 & -\\frac{25}{3} & 0 & 0 & 1 & -\\frac{5}{3} & -10 & 0 & \\frac{140}{3} \\\\\n",
"{x}_{3} & 0 & 0 & 1 & 0 & 0 & 0 & -1 & 0 & 7 \\\\\n",
"{\\color{green}{s}}_{1} & 0 & -\\frac{14}{3} & 0 & 1 & 0 & -\\frac{1}{3} & -9 & 0 & \\frac{25}{3} \\\\\n",
"{\\color{green}{s}}_{5} & 0 & -\\frac{20}{9} & 0 & 0 & 0 & -\\frac{1}{9} & -\\frac{10}{3} & 1 & \\frac{19}{9} \\\\\n",
"\\hline\n",
" {Z_{ind}} & 0 & -\\frac{280}{3} & 0 & 0 & 0 & -\\frac{20}{3} & -130 & 0 & \\frac{1270}{3}\n",
"\\end{array}\\right)$$"
],
"text/plain": [
"[ B| x1 x2 x3 s1 s2 s3 s4 s5| rhs]\n",
"[------+-------------------------------------------------------+------]\n",
"[ x1| 1 20/9 0 0 0 1/9 10/3 0| -10/9]\n",
"[ s2| 0 -25/3 0 0 1 -5/3 -10 0| 140/3]\n",
"[ x3| 0 0 1 0 0 0 -1 0| 7]\n",
"[ s1| 0 -14/3 0 1 0 -1/3 -9 0| 25/3]\n",
"[ s5| 0 -20/9 0 0 0 -1/9 -10/3 1| 19/9]\n",
"[------+-------------------------------------------------------+------]\n",
"[ Z| 0 -280/3 0 0 0 -20/3 -130 0|1270/3]"
]
},
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}
],
"source": [
"v=matrix(QQ,1,nv,[1,0,0,0,0,0,0] ); R=1;añadeRes(v,R)"
]
},
{
"cell_type": "code",
"execution_count": 22,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[ NO 42.000 NO NO NO 60.000 39.000 NO]"
]
},
"execution_count": 22,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"cocientesD(5)"
]
},
{
"cell_type": "code",
"execution_count": 23,
"metadata": {},
"outputs": [
{
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"$$\\newcommand{\\Bold}[1]{\\mathbf{#1}}\\left(\\begin{array}{r|rrrrrrrr|r}\n",
"{Basic} & {x}_{1} & {x}_{2} & {x}_{3} & {\\color{green}{s}}_{1} & {\\color{green}{s}}_{2} & {\\color{green}{s}}_{3} & {\\color{green}{s}}_{4} & {\\color{green}{s}}_{5} & {b} \\\\\n",
"\\hline\n",
" {x}_{1} & 1 & 0 & 0 & 0 & 0 & 0 & 0 & 1 & 1 \\\\\n",
"{\\color{green}{s}}_{2} & 0 & -\\frac{5}{3} & 0 & 0 & 1 & -\\frac{4}{3} & 0 & -3 & \\frac{121}{3} \\\\\n",
"{x}_{3} & 0 & \\frac{2}{3} & 1 & 0 & 0 & \\frac{1}{30} & 0 & -\\frac{3}{10} & \\frac{191}{30} \\\\\n",
"{\\color{green}{s}}_{1} & 0 & \\frac{4}{3} & 0 & 1 & 0 & -\\frac{1}{30} & 0 & -\\frac{27}{10} & \\frac{79}{30} \\\\\n",
"{\\color{green}{s}}_{4} & 0 & \\frac{2}{3} & 0 & 0 & 0 & \\frac{1}{30} & 1 & -\\frac{3}{10} & -\\frac{19}{30} \\\\\n",
"\\hline\n",
" {Z_{ind}} & 0 & -\\frac{20}{3} & 0 & 0 & 0 & -\\frac{7}{3} & 0 & -39 & \\frac{1517}{3}\n",
"\\end{array}\\right)$$"
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"[ B| x1 x2 x3 s1 s2 s3 s4 s5| rhs]\n",
"[------+-------------------------------------------------------+------]\n",
"[ x1| 1 0 0 0 0 0 0 1| 1]\n",
"[ s2| 0 -5/3 0 0 1 -4/3 0 -3| 121/3]\n",
"[ x3| 0 2/3 1 0 0 1/30 0 -3/10|191/30]\n",
"[ s1| 0 4/3 0 1 0 -1/30 0 -27/10| 79/30]\n",
"[ s4| 0 2/3 0 0 0 1/30 1 -3/10|-19/30]\n",
"[------+-------------------------------------------------------+------]\n",
"[ Z| 0 -20/3 0 0 0 -7/3 0 -39|1517/3]"
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"$$\\newcommand{\\Bold}[1]{\\mathbf{#1}}\\left(\\begin{array}{r|rrrrrrrrr|r}\n",
"{Basic} & {x}_{1} & {x}_{2} & {x}_{3} & {\\color{green}{s}}_{1} & {\\color{green}{s}}_{2} & {\\color{green}{s}}_{3} & {\\color{green}{s}}_{4} & {\\color{green}{s}}_{5} & {\\color{green}{s}}_{6} & {b} \\\\\n",
"\\hline\n",
" {x}_{1} & 1 & 0 & 0 & 0 & 0 & 0 & 0 & 1 & 0 & 1 \\\\\n",
"{\\color{green}{s}}_{2} & 0 & -\\frac{5}{3} & 0 & 0 & 1 & -\\frac{4}{3} & 0 & -3 & 0 & \\frac{121}{3} \\\\\n",
"{x}_{3} & 0 & \\frac{2}{3} & 1 & 0 & 0 & \\frac{1}{30} & 0 & -\\frac{3}{10} & 0 & \\frac{191}{30} \\\\\n",
"{\\color{green}{s}}_{1} & 0 & \\frac{4}{3} & 0 & 1 & 0 & -\\frac{1}{30} & 0 & -\\frac{27}{10} & 0 & \\frac{79}{30} \\\\\n",
"{\\color{green}{s}}_{4} & 0 & \\frac{2}{3} & 0 & 0 & 0 & \\frac{1}{30} & 1 & -\\frac{3}{10} & 0 & -\\frac{19}{30} \\\\\n",
"{\\color{green}{s}}_{6} & 0 & \\frac{2}{3} & 0 & 0 & 0 & \\frac{1}{30} & 0 & -\\frac{3}{10} & 1 & \\frac{401}{30} \\\\\n",
"\\hline\n",
" {Z_{ind}} & 0 & -\\frac{20}{3} & 0 & 0 & 0 & -\\frac{7}{3} & 0 & -39 & 0 & \\frac{1517}{3}\n",
"\\end{array}\\right)$$"
],
"text/plain": [
"[ B| x1 x2 x3 s1 s2 s3 s4 s5 s6| rhs]\n",
"[------+--------------------------------------------------------------+------]\n",
"[ x1| 1 0 0 0 0 0 0 1 0| 1]\n",
"[ s2| 0 -5/3 0 0 1 -4/3 0 -3 0| 121/3]\n",
"[ x3| 0 2/3 1 0 0 1/30 0 -3/10 0|191/30]\n",
"[ s1| 0 4/3 0 1 0 -1/30 0 -27/10 0| 79/30]\n",
"[ s4| 0 2/3 0 0 0 1/30 1 -3/10 0|-19/30]\n",
"[ s6| 0 2/3 0 0 0 1/30 0 -3/10 1|401/30]\n",
"[------+--------------------------------------------------------------+------]\n",
"[ Z| 0 -20/3 0 0 0 -7/3 0 -39 0|1517/3]"
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"$$\\newcommand{\\Bold}[1]{\\mathbf{#1}}\\left(\\begin{array}{r|rrrrrrrrr|r}\n",
"{Basic} & {x}_{1} & {x}_{2} & {x}_{3} & {\\color{green}{s}}_{1} & {\\color{green}{s}}_{2} & {\\color{green}{s}}_{3} & {\\color{green}{s}}_{4} & {\\color{green}{s}}_{5} & {\\color{green}{s}}_{6} & {b} \\\\\n",
"\\hline\n",
" {x}_{1} & 1 & \\frac{20}{9} & 0 & 0 & 0 & \\frac{1}{9} & 0 & 0 & \\frac{10}{3} & \\frac{410}{9} \\\\\n",
"{\\color{green}{s}}_{2} & 0 & -\\frac{25}{3} & 0 & 0 & 1 & -\\frac{5}{3} & 0 & 0 & -10 & -\\frac{280}{3} \\\\\n",
"{x}_{3} & 0 & 0 & 1 & 0 & 0 & 0 & 0 & 0 & -1 & -7 \\\\\n",
"{\\color{green}{s}}_{1} & 0 & -\\frac{14}{3} & 0 & 1 & 0 & -\\frac{1}{3} & 0 & 0 & -9 & -\\frac{353}{3} \\\\\n",
"{\\color{green}{s}}_{4} & 0 & 0 & 0 & 0 & 0 & 0 & 1 & 0 & -1 & -14 \\\\\n",
"{\\color{green}{s}}_{5} & 0 & -\\frac{20}{9} & 0 & 0 & 0 & -\\frac{1}{9} & 0 & 1 & -\\frac{10}{3} & -\\frac{401}{9} \\\\\n",
"\\hline\n",
" {Z_{ind}} & 0 & -\\frac{280}{3} & 0 & 0 & 0 & -\\frac{20}{3} & 0 & 0 & -130 & \\frac{6730}{3}\n",
"\\end{array}\\right)$$"
],
"text/plain": [
"[ B| x1 x2 x3 s1 s2 s3 s4 s5 s6| rhs]\n",
"[------+--------------------------------------------------------------+------]\n",
"[ x1| 1 20/9 0 0 0 1/9 0 0 10/3| 410/9]\n",
"[ s2| 0 -25/3 0 0 1 -5/3 0 0 -10|-280/3]\n",
"[ x3| 0 0 1 0 0 0 0 0 -1| -7]\n",
"[ s1| 0 -14/3 0 1 0 -1/3 0 0 -9|-353/3]\n",
"[ s4| 0 0 0 0 0 0 1 0 -1| -14]\n",
"[ s5| 0 -20/9 0 0 0 -1/9 0 1 -10/3|-401/9]\n",
"[------+--------------------------------------------------------------+------]\n",
"[ Z| 0 -280/3 0 0 0 -20/3 0 0 -130|6730/3]"
]
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