The Best ChatGPT Prompt Template Based on Signal Processing Research

The Best ChatGPT Prompt Template Based on Signal Processing Research By Mario Alexandre March 21, 2026 sinc-LLM Prompt Engineering Why Most Prompt Templates Fail Search for "ChatGPT prompt template" and you will find hundreds of variations. Most share a common flaw: they are based on intuition rather than data. They tell you to "act as" and "give context" without quantifying how much context is enough or what kinds of specifications matter most. The sinc-LLM framework provides a template backed by 275 production observations and the Nyquist-Shannon sampling theorem. It works for ChatGPT, Claude, Gemini, and any other LLM because it addresses a universal property of language model specification. The Template x(t) = Σ x(nT) · sinc((t - nT) / T) Copy and adapt this template for any ChatGPT task: PERSONA: [Role with specific expertise] You are a [specific role] with expertise in [specific domain]. CONTEXT: [Situation and background] [What project/situation this is for] [What has been tried