𝗣𝗶 𝗠𝗮𝘁𝗵𝗲𝗺𝗮𝘁𝗶𝗰𝗮 | 𝗠𝗮𝘁𝗵 𝗦𝗶𝗺𝗽𝗹𝗶𝗳𝗶𝗲𝗱 on Instagram: "✨Fourier Integrals and 3D Gaussian Wave Packets✨ Fourier integrals are a way to express complex wave patterns as a sum of simpler sine and cosine waves. Think of it like trying to recreate a complicated sound by combining many pure tones at different frequencies. If you have a function that changes continuously (like a wave or signal), a Fourier integral lets you break it down into these basic building blocks (sine and co