When I calculate below equation in Mathematica although I cannot take any error message, I cannot see graph? Cn you tell me how can I calculate this function in MAthematca? What is my falut in the code? I alseo add picture of it.
Thank you for your helps!!
f[x_] := i*Sqrt[x/(0.02^2 - x^2 - 2*i*x)]
Plot[f[x], {x, 0.1, 2.5}]
I do not have Wolfram Mathematica software, but perhaps "_" (an underscore) is wrong, i.e. perhaps you have to use f[x] OR f[x_i] for definition...
The difference in mathematica fo f(x) and f(x_) function means memoisation or memoisation. This function is actually physical function for biosensor. X is a change of frequency. But I write the function in a simple for as f(x) for simplicity.
The question is: Is your function $f(x_)$ real valued? Appearly, it is not. Thus, it is impossible to obtain a 2D-plot.
Assuming the i for imaginary axes. My input would be like
f[x_] := I Sqrt[x/(0.02^2 - x^2 - 2 x I)];
Plot[{Re[f[x]], Im[f[x]]}, {x, 0.1, 2.5}, Exclusions -> None]
OR
ReImPlot[f[x], {x, 0.1, 2.5},Exclusions -> None]
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