第一步是方程模型（E1）：易经方法的核心是八卦或卦象，这些作为复杂模型，用于编码研究对象的信息和逻辑。这些象征性的表示不仅仅是神秘工具，而是可以适应于总结提炼广泛的人类和社会背景。这种广泛实用性根植于阴阳的普遍原则以及变化的普遍本质，卦象为理解和解释生活的复杂性提供了一个动态模型框架。

第二步是估算（E2）：易经的古老智慧引导着将这些模型与现实世界观察结果相匹配的重要过程。此步骤涉及确定卦象中每一条线(爻)的阴阳特性，使用观察而抽象的方法或像著名心理学家卡尔·荣格普及的传统实践如抛硬币等。这一阶段在确保易经模型与特定背景或问题紧密对齐方面至关重要，无论是预测未来状态还是进行占卜。

第三步是评估（E3）：此阶段涉及基于积累的经验或额外观察对解释进行仔细评估和调整。此步骤在于纠正任何观察中的不准确或偏见，包括潜在的回忆错误方面而言至关重要，从而确保所选的卦（模型）准确反映了所分析的情况。

第四步是解释（E4）：在最后阶段，丰富的古代智慧与深邃的易经知识浮现，为模型的预测和占卜提供了细致的解读。这包括深入理解每个卦象的意义及其线条，并以传统文本和解释为指导。这个过程通常包括分析卦象的两个三爻卦象（上卦和下卦），探索其名称和内在意义，并考虑任何变卦可能对其解释产生的影响。

整合这些步骤，可以将易经方法转化为一个成熟且全面的工具，用于探索潜在的未来并促进明智的决策。它是直观洞察与结构化分析方法的独特结合。此方法的有效性，特别是在占卜或未来趋势预测方面，源于其通过象征性和动态模型捕捉人类行为的过去与现在、和更广泛周围生态世界的复杂性的能力。这种古代智慧与系统过程的融合不仅尊重了易经的丰富遗产，而且还使其适应现代应用，使其成为预测科学领域的宝贵资产。通过这种方法，易经不仅作为一种文化遗产得以传承，还在现代科学的语境中展现了新的价值和意义，为我们理解和应对复杂世界提供了独特的视角和工具。

Ref: 《易经》方法的人工智能实现框架 

Deciphering the Future: The Four-Step Framework (4Es Framework) in Modern IChing Practice

Dr. Alex Liu

The ancient art of IChing, known for its profound utility in predicting future trends and fortune-telling, continues to demonstrate its practicality in the modern world. This enduring relevance and practicality are exemplified by the application of the 4Es framework, a methodical four-step process that seamlessly integrates traditional IChing methods with modern research approaches.

The first step is the Equation Model (E1 - Equation): The essence of IChing practice lies in the use of Bagua or hexagrams as complex models for encoding information and logic about the subject of study. These symbolic representations are more than just mystical tools; they are adaptable to a wide range of human and societal contexts. This broad applicability is rooted in the universal principles of yin and yang, as well as the pervasive nature of change, providing a dynamic framework for understanding and interpreting the complexities of life.

Second Step, Estimation (E2 - Estimation): The ancient wisdom of the IChing guides the crucial process of aligning these models with real-world observations. This step involves determining the yin and yang characteristics of each line (Yao) within the hexagram, using observational and abstract methods, such as coin tossing, a traditional practice popularized by the renowned psychologist Carl Jung. This stage is pivotal in ensuring that the IChing models are aptly aligned with the specific context or queries at hand, be it for predicting future states or for fortune-telling endeavors.

Third Step, Evaluation (E3 - Evaluation): This stage involves careful assessment and adjustment of interpretations based on accumulated experience or additional observations. This step is critical in rectifying any observational inaccuracies or biases, including potential errors in recollection, thereby guaranteeing that the chosen GUA (model) accurately mirrors the situation under scrutiny.

Fourth Step, Explanation (E4 - Explanation): In the final stage, the rich tapestry of ancient wisdom intertwined with the depths of IChing knowledge comes to the forefront, offering nuanced interpretations of the models for predictive purposes. This involves a deep understanding of each hexagram's significance, its lines, and the overarching implications, all interpreted through the lens of traditional texts and scholarly commentary. The process typically encompasses an analysis of the hexagram's dual trigrams, an exploration of its nomenclature and inherent meaning, and a consideration of any dynamic lines that might influence its interpretation.

Integrating these steps transforms the IChing method into a mature and comprehensive tool for exploring potential futures and facilitating wise decision-making. This method uniquely combines intuitive insight with structured analysis. Its effectiveness, especially in fortune-telling or predicting future trends, stems from its ability to capture the past and present of human behavior and the complexities of the broader ecological world through symbolic and dynamic models. This fusion of ancient wisdom with a systematic process not only respects the rich heritage of the IChing but also adapts it for modern applications, making it a valuable asset in the field of predictive sciences. Through this method, the IChing not only continues as a cultural heritage but also displays new value and significance in the context of modern science, offering a unique perspective and tools for understanding and addressing the complexities of the world.