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root (using numerical method)
The upward velocity of a rocket can be computed by the following formula: v=u (ln (m/m*q*t))-g*t where v = upward velocity, u ...
7 years 前 | 0 个回答 | 0
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want to get only all positive real roots
Compute all positive real roots of x^4 + 2*x^3 − 7*x^2 + 3 = 0. I want to discard all the imaginary ones and keep only the po...
7 years 前 | 1 个回答 | 0
