The partial output of the program shown below shows that the sign of the difference between the two sides changes between x=1.341627718511 and x=1.341627718512. Judging by the sizes of the differences from zero one would assume the answer is closer to the former number than the latter.
...
1.341627718504 -6.25699492218246E-12
1.341627718505 -5.42021982852248E-12
1.341627718506 -4.5834447348625E-12
1.341627718507 -3.74666964120252E-12
1.341627718508 -2.90978352524007E-12
1.341627718509 -2.07300843158009E-12
1.34162771851 -1.23634436022257E-12
1.341627718511 -3.99347221957669E-13
1.341627718512 4.37316849399849E-13
1.341627718513 1.27409194305983E-12
1.341627718514 2.11097805902227E-12
1.341627718515 2.94775315268225E-12
1.341627718516 3.78452824634223E-12
1.341627718517 4.62130334000221E-12
1.341627718518 5.45807843366219E-12
...
The code portion shown is the result of successive restrictions on the range and precision of the x values:
For x = 1.3416277185 To 1.3416277186 Step 0.000000000001
y = Sin(x) - Sin(x * x)
Text1.Text = Text1.Text & x & " " & Str(y) & crlf
DoEvents
Next
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Posted by Charlie
on 2018-11-15 11:17:41 |
computer solution
