# FAQs

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MindSpore provides a [FAQ](https://mindspore.cn/docs/en/r1.9/faq/installation.html) during using MindSpore. This chapter also collates the solutions to the set of common problems mentioned in the migration documentation.

- Web Scripts

    [Typical Differences from PyTorch](https://www.mindspore.cn/docs/en/r1.9/migration_guide/typical_api_comparision.html)

    [API Mapping and Handling Strategy of Missing API](https://www.mindspore.cn/docs/en/r1.9/migration_guide/analysis_and_preparation.html#analyzing-api-compliance)

    [Dynamic Shape Analysis](https://www.mindspore.cn/docs/en/r1.9/migration_guide/analysis_and_preparation.html#dynamic-shape) and [Mitigation Program](https://www.mindspore.cn/docs/en/r1.9/migration_guide/model_development/model_and_loss.html#dynamic-shape-workarounds)

    [Mitigation Program for Sparse Characteristic](https://www.mindspore.cn/docs/en/r1.9/migration_guide/analysis_and_preparation.html#sparsity)

    [Common Syntax Restrictions and Handling Strategies for Static Graphs](https://www.mindspore.cn/docs/en/r1.9/migration_guide/model_development/model_and_loss.html#common-restrictions)

    [Notes for MindSpore Web Authoring](https://www.mindspore.cn/docs/en/r1.9/migration_guide/model_development/model_development.html#considerations-for-mindspore-network-authoring)

- Network Debugging

    [Function Debugging](https://www.mindspore.cn/docs/en/r1.9/migration_guide/debug_and_tune.html#function-debugging)

    [Precision Debugging](https://www.mindspore.cn/docs/en/r1.9/migration_guide/debug_and_tune.html#accuracy-debugging)

    [Performance Debugging](https://www.mindspore.cn/docs/en/r1.9/migration_guide/debug_and_tune.html#performance-tuning)