WebThe first example I plotted above seems to be a good candidate but I did that with Mathematica's FindFit function assuming a lognormal CDF . That works well in this specific example but in general there need not be a lognormal CDF that satisfies the constraints. math plot wolfram-mathematica curve-fitting cdf Share Improve this question Follow WebThe primary differences are that FindFit: (1) recognizes EDA 's data format, including errors in both coordinates; (2) estimates errors in fit parameters; (3) by default displays graphical information about the fit; and (4) uses an algorithm that has been optimized for speed and stability for the types of nonlinear fits commonly performed in the …
Fitting Data to Nonlinear Models - Wolfram
WebI have been for several days now trying to FIndFit some data to a decaying e function: k [t_] := \ [Omega] E^ (- ( (R t)/J)) This function describes a flywheel that starts with an initial velocity and falls to zero. I have a rough estimate of what the friction and the inertia (R and J respectively) of the system should be, but need to verify. Web+1 This answer is squarely within the spirit of the question: if the function is to be defined implicitly, then we are not emphasizing errors in either the x or y directions (unlike FindFit ), but should be penalizing them in a … my lzb training
How to curve fitting in Mathematica by using import data?
WebWhile FindDistributionParameters might provide a reasonable "fit" that well describes the observed data (a mixture of two or more normals for example), there is no random sampling from a mixture of normal distributions or a mixture of Poisson distributions. Web为了验证mathematica的曲线拟合准确性，我随意写了个略复杂的指数函数做例子。见程序或截图。从该函数中取若干组数据点（x,y），用Findfit命令来对这些离散点做曲线拟合求各参数。但是得出的参数结果却不能和最初的函数对应。不解中。。。是用的函数太复杂的原因 … Webopen all Basic Examples (1) Fit a nonlinear model to some data: In [1]:= In [2]:= Out [2]= Obtain the functional form: In [3]:= Out [3]= Evaluate the model at a point: In [4]:= Out [4]= Visualize the fitted function with the data: In [5]:= Out [5]= Extract and plot the residuals: In [6]:= Out [6]= In [7]:= Out [7]= Scope (11) mym1uniform.com mym1uniform.com