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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Runge-Kutta-method/QBasic/runge-kutta-method.basic Normal file
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@ -0,0 +1,16 @@
y! = 1
FOR i = 0 TO 100
t = i / 10
IF t = INT(t) THEN
actual! = ((t ^ 2 + 4) ^ 2) / 16
PRINT USING "y(##) = ###.###### Error = "; t; y;
PRINT actual - y
END IF
k1! = t * SQR(y)
k2! = (t + .05) * SQR(y + .05 * k1)
k3! = (t + .05) * SQR(y + .05 * k2)
k4! = (t + .1) * SQR(y + .1 * k3)
y = y + .1 * (k1 + 2 * (k2 + k3) + k4) / 6
NEXT i