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Domnu
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Just out of curiosity, how hard is Fitzpatrick's online Graduate version of quantum mechanics compared to the Feynman lectures and Sakurai's book?
The main difference between these two courses is the level of depth and complexity. Fitzpatrick's online grad course is designed for graduate students who have already completed undergraduate studies in physics, while Feynman & Sakurai's approach is more accessible for undergraduate students. Additionally, Fitzpatrick's course focuses more on mathematical formalism and problem-solving, while Feynman & Sakurai's approach emphasizes conceptual understanding and intuition.
If you are completely new to quantum mechanics, Feynman & Sakurai's approach may be more suitable as it offers a more conceptual and intuitive understanding of the subject. However, if you have a strong mathematical background and are comfortable with rigorous problem-solving, Fitzpatrick's online grad course could also be a good option.
Both Fitzpatrick's online grad course and Feynman & Sakurai's approach require a strong foundation in mathematics, particularly in calculus and linear algebra. Some familiarity with classical mechanics and electromagnetism may also be helpful, but not necessary.
The time commitment for these courses will vary depending on the individual's background and learning style. Generally, Fitzpatrick's online grad course will require more time due to its emphasis on mathematical formalism and problem-solving. Feynman & Sakurai's approach may be less time-consuming as it focuses more on conceptual understanding.
Both courses can provide a strong foundation for a career in quantum mechanics. However, Fitzpatrick's online grad course may be more beneficial for those interested in pursuing research in the field, as it covers more advanced topics and techniques. Feynman & Sakurai's approach may be more suitable for those interested in applying quantum mechanics in other fields, such as engineering or computer science.