本文首先给出正态分布概率密度函数(The normal distribution probability density function)的公式和标准正态分布概率密度函数的公式,然后通过normpdf( )生成标准正态分布概率密度函数的数据,然后通过plot( )绘制标准正态分布概率密度函数的图形。 工具/原料 MATLAB normpdf mean standard deviation 方法/步骤 第一,正态分...
matlab % 拟合正态分布 pd = fitdist(data, 'normal'); % 生成一组横坐标值 x = linspace(min(data), max(data), 100); % 计算概率密度值 y = pdf(pd, x); % 绘制概率密度函数曲线 figure; plot(x, y, 'r-', 'linewidth', 2); % 添加标题和轴标签 title('Fitted Probability Density Functi...
3 第三，启动MATLAB，新建脚本（Ctrl+N），输入如下代码：close all; clear all; clcx=-1:.1:1;norm=normpdf(x,0,1);figure('Position',[50,50,600,500],'Name','Normal PDF',... 'Color',[1,1,1]);plot(x,norm,'r-','LineWidth...
normplot - Normal probability plot. parallelcoords - Parallel coordinates plot for multivariate data. probplot - Probability plot. qqplot - Quantile-Quantile plot. refcurve - Reference polynomial curve. refline - Reference line. surfht - Interactive contour plot of a data grid. wblplot - Weibull ...
probplot('normal', data);% Create a normal probability plot yt = yticks;% Get the current y-axis ticks yticklabels(arrayfun(@(y) sprintf('%.0f%%', y * 100), yt,'UniformOutput', false));% Convert y-axis tick labels from decimals to percentages ...
How to plot Normal probability density function?. Learn more about normpdf, figure, plotting, normal distribution, gaussian, randn Statistics and Machine Learning Toolbox
predTest = categorical(isanomalyTest, [1, 0], ["Anomaly", "Normal"]); 可视化检测结果: tiledlayout(3,1) nexttile gscatter(X(:,1),X(:,2),tf_robustcov,[],'ox',3) xlabel('X1') ylabel('X2') legend({'正常','异常'}) title("训练样本分类结果 (tSNE降维)") ...
% lsline - Add least-square fit line to scatter plot. % normplot - Normal probabilit 47、y plot. % parallelcoords - Parallel coordinates plot for multivariate data. % probplot - Probability plot. % qqplot - Quantile-Quantile plot. % refcurve - Reference polynomial curve. % refline - ...
gscatter - Scatter plot of two variables grouped by a third. hist - Histogram (in MATLAB toolbox). hist3 - Three-dimensional histogram of bivariate data. ksdensity - Kernel smoothing density estimation. lsline - Add least-square fit line to scatter plot. normplot - Normal probability plot. ...
% 三维柱状图可视化 figure; bar3(intZ); title('3D Bar Plot of a Bivariate Normal Distribution Ma...