2.4 equations Wzz-lyy=f suggest li, tui n,=01 2.4.1 Example SLIDE 14 i=0i=1i=2i=3i=4 The 9 unknowns are collected into a column vector unknown i, by, somehow ar bitrarily, stacking the unknowns row by row. Thus, i=(01,1, i2, 1, i3, 1, 1, 2, 12, 2, .. 13, 3] 1 4✝✟✞✡✠ ☛✌☞✟✍✏✎✒✑✔✓✖✕✘✗✚✙ ✛ ✜✣✢✥✤✧✦✩★✫✪ ✬✮✭✰✯✱✯✲✬✳✭✵✴✶✴✸✷✺✹✼✻✾✽✔✿❀✿✫❁✱✻❃❂❄✻✲❅✱❅❆❅ ✬❈❇✭✵❉❋❊❍●❏■ ❑▲✬◆▼ ❇✭✰❉✡■ ❑P❖ ❇✭✵❉❘◗❙●❏■ ❑ ❚❱❯❳❲ ✬❨❇✭✰❉✡■ ❑✾❊❍●✟✬❩▼ ❇✭✵❉❘■ ❑✘❖ ❇✭✰❉✡■ ❑✶◗❬● ❚❱❭❪❲ ✷ ❇✹❉❘■ ❑ ❇✭❳❫ ■ ❑ ✷ ❇✭✰❴ ■ ❑ ✷✺❵ ❛ ❜❩❝❞❜✩❡ ❇✭❉❘■ ❫✚✷ ❇✭❉❘■❢ ✷❣❵ ❛ ❜✐❤❥❜✐❦ ❧ ♠ ❇✭ ✷ ❇✹ ♥❬♦q♣❍♦❘r s✚t❬✉✔✈◆✇②①❘③ ✛ ✜✣✢✥✤✧✦✩★⑤④ ❦✌✷⑥❡⑦✷❣⑧ ❚❱❯ ✷ ❚❱❭ ✷⑩⑨ ❶✰❷✔❸▲❹❞❺❪❻❪❼⑤❻✰❽⑤❾❿❻➁➀✏➂➄➃✾❸✸➅➆❽⑤➇✥➇q❸➆➅❆➈➉❸➆➊❱➋✥❻➁➈➌❽❱➂➍➅➆❽⑤➇➎❺❪➏➍❻➑➐⑤❸➆➅✶➈➌❽⑤➃➒❺❪❻➓❼➄❻✵❽⑤❾❿❻ ❇✭ ➔②→✶➣↔➔ ➀❆❽⑤➏↕❸❄❷➁❽⑤❾✐➂➄➃❏➙ → ➋✥➈➛➃✾➂➄➃❏➋✥➇➣↔➔ ➀❏➈➉➂❀➅❄❼➄➋✥❻✣➜✚➈✡❷✔❸▲❺❪❻❪❼⑤❻✰❽⑤❾❿❻✔➀❿➃✾❽➄❾ →❆➣ ➃✾❽➄❾✘➝➞❶✰❷➓❺➓➀ ➔ ❇✭ ✷➠➟ ❇✭❙●❏■ ●➢➡ ❇✭✵❲❆■ ●➢➡ ❇✭✰➤❆■ ●↔➡ ❇✭❬●❏■ ❲⑤➡ ❇✭✰❲✶■ ❲✫➡❆➥✱➥❆➥✶➡ ❇✭✵➤❆■ ➤⑤➦ ➝ ✛ ✜✣✢✥✤✧✦✩★✫➧ ♠ ✷ ❛ ⑨ ❲ ➨➩ ➩ ➩ ➩ ➩ ➩ ➩ ➩ ➩ ➩ ➩ ➩ ➫ ➭ ✬➯❛ ✬➯❛ ✬➯❛ ➭ ✬➯❛ ✬➯❛ ✬➯❛ ➭ ✬➯❛ ✬➯❛ ➭ ✬➯❛ ✬➯❛ ✬➯❛ ✬➯❛ ➭ ✬➯❛ ✬➯❛ ✬➯❛ ✬➯❛ ➭ ✬➯❛ ✬➯❛ ➭ ✬➯❛ ✬➯❛ ✬➯❛ ➭ ✬➯❛ ✬➯❛ ✬➯❛ ➭ ➲➵➳➳ ➳ ➳ ➳ ➳ ➳ ➳ ➳ ➳ ➳ ➳ ➸ ➺