![]() ![]() The reason it has to be symbolic is I want to be able to integrate/differentiate the function afterwards and/or insert actual values. The first function calculates fine for 0 ![]() PLOT x(t) for N=1, 5, 15, 20, and 50 using subplot to show the effect of the Gibbs phenomenon. Learn more about piecewise, function, symbolic Symbolic Math Toolbox in maple we can use comamnd:( f: piecewise(0 < t and t < T1, f1, T1 < t and t < T2, 0, T2 < T3, f1, T3 < t and t < T4, 0) but in matlab i can not define this function. Plotting a piecewise function using either for or while loops. PLOT the reconstructed signal of x(t), using the following equation:Īs more and more Fourier components are added, the sum gets closer and closer to the original waveform (Gibbs phenomenon). The section size should depend on the derivative, large derivative -> small section. You, on the other hand, want to create a piecewise linear approximation of your function. Use idPiecewiseLinear to define a nonlinear function y F (x, ), where y and x are scalars, and represents the parameters specifying the number of break points and the value of nonlinearity at the break points. PLOT both the AMPLITUDE and PHASE of the harmonics.ģ. Curve fitting is when you have data, and you find the best function that describes it, in some sense. idPiecewiseLinear is an object that stores the piecewise-linear nonlinearity estimator for estimating Hammerstein-Wiener models. Perform EXPONENTIAL Fourier Series calculation for one period of x(t). Given a periodic function, x(t) as shown in Figure 1, PLOT the signal x(t). ![]()
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