In product development, matrix analysis chart is often used for strategic correlation analysis research. For example, quality function deployment is used to carry out product manufacturing process quality control and the optimal part combination analysis; 2-dimensional image scale is frequently used for product form analysis or product form salience and purchase intention, and consumer preference analysis. In addition, the value evaluation based upon product form, operation, quality, safety and purchase criteria as well as product price matrix analysis for future product price range and function setting are frequently employed.