How can I infer the solutions of a specific polynomial?
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% A
v1 = [1 -2 -5 6] % Storing the values of the polynomial
% B
v2 = [-100 : .1 : 100] % Sequencing the numbers in .1 steps
% C
y = polyval (v1, v2) % Polyval function
plot(v2, y) % Plotting
How can I infer the solutions of the polynomial?
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Antworten (1)
Matt J
am 4 Mai 2022
Bearbeitet: Matt J
am 4 Mai 2022
v1 = [1 -2 -5 6] ;
roots(v1)
1 Kommentar
Walter Roberson
am 4 Mai 2022
v1 = [1 -2 -5 6]
r = roots(v1)
mask = imag(r) ~= 0 | real(r) < -100 | real(r) > 100; %remove anything not in -100 to +100
r(mask) = []
r
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