Radix (mathematica) Nexus externi | Tabula navigationisTractatus praeliminaris: Mathematicarum disciplinarum elementa in usm ... Von Francisco de VillalpandoAmplifica

Mathematica elementaria


mathematicapotestatemradix (quadrata)aequationissystemate decimalisystemate octali




Radix in mathematica est numerus cuius potestatem scimus. Exempli gratia, si 25 numerum habemus, radix (quadrata) est 5. Symbola haec sunt: √25 = 5.


Per extensionem notionis fundamentalis possumus loqui de radicibus aequationis, hoc est de solutionibus. Exempli gratia, pone x2 - 5x + 6 = 0. Tunc radices aequationis sunt 2 et 3, quod 22 - 5 × 2 + 6 = 4 - 10 + 6 = 0, et 32 - 5 × 3 + 6 = 9 - 15 + 6 = 0.


Radix vel basis systematis notationis quoque potestas est: numeri explicandi sunt per potestates radicis. In systemate decimali, digitus quisque per potestatem 10 multiplicatur:


345 = 3 × 102 + 4 × 101 + 5 × 100, secundum basin 10

hoc est, trecenti et quadraginta et quinque

In systemate octali autem, per potestatem 8 multiplicantur:


345 = 3 × 82 + 4 × 81 + 5 × 80, secundum basin 8

vel 192 + 32 + 5 = 229 secundum basin 10


Nexus externi |


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mathematica

Haec stipula ad mathematicam spectat. Amplifica, si potes!

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