params, params_covariance = curve_fit(exponential_func, x, y) ``` 5.取得拟合结果,包括拟合的参数和协方差: ```python a = params[0] b = params[1] ``` 6.生成拟合曲线的数据点: ```python x_fit = np.linspace(1, 5, 100) y_fit = exponential_func(x_fit, a, b) ``` 7.绘制原...
The TREND function or GROWTH function The TREND and GROWTH functions can extrapolate future y-values that extend a straight line or exponential curve that best describes the existing data. They can also return only the y-values based on known x-values for the best-fit line or ...
可使用LOGEST函数进行指数回归分析,使用GROWTH函数进行指数预测。 LOGEST函数说明: The Excel LOGEST function returns statistical information on the exponential curve of best fit, through a supplied set of x- and y- values. The bas... ...
所以,我定义了一个高斯分布,后来我把它拟合成了数据点。我是这样定义的: def Gauss(x, a, x0, sigma): return a * np.exp(-(x - x0)**2 / (2 * sigma**2)) popt, pcov = curve_fit(Gauss, x, y, p0=[max(y), mean, sigma]) 当我要求打印我的popt时,我得到了一个矩阵,它首先给出...
可使用LOGEST函数进行指数回归分析,使用GROWTH函数进行指数预测。 LOGEST函数说明: The Excel LOGEST function returns statistical information on the exponential curve of best fit, through a supplied set of x- and y- values. The bas...Excel...
Calculates predicted exponential growth by using existing data. GROWTH returns the y-values for a series of new x-values that you specify by using existing x-values and y-values. You can also use the GROWTH worksheet function to fit an exponential curve to existing x-values and y-values. ...
Calculates predicted exponential growth by using existing data. Growth returns the y-values for a series of new x-values that you specify by using existing x-values and y-values. You can also use the Growth worksheet function to fit an exponential curve to existing x-values and y-values. ...
For an exponential rise to a maximum value the equation is Abs = C + A(1− e−kt ) Where A is the amplitude of the curve, c is the offset from zero and k is the rate constant. A and c are easily estimated from inspection of the data, see the figure below. The rate ...
The LOGEST function in Excel is a function used to fit an exponential curve to exponential data. LOGEST is an array formula. Note that while using Microsoft 365, LOGEST is compatible with dynamic arrays and does not require the use of Ctrl + Shift + Enter (CSE). Simply enter your formula...
The more a plot of your data resembles an exponential curve, the better the calculated line will fit your data. LikeLinEst,LogEstreturns an array of values that describes a relationship among the values, butLinEstfits a straight line to your data;LogEstfits an exponential curve. For more infor...