Explain linear algebra for graphics transforms
NVIDIASoftware Engineer · Online Assessment
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This interview question evaluates statistical assumptions, formulas, estimation strategy, uncertainty, edge cases, and interpretation in a realistic interview setting. A strong answer for Explain linear algebra for graphics transforms states assumptions, handles edge cases, explains trade-offs, and shows how to validate the result clearly.
Explain the model-view-projection (MVP) pipeline using homogeneous coordinates. Derive how a 3D point in world space is transformed to normalized device coordinates and then to screen space. Why are normals transformed by the inverse-transpose of the model matrix? Provide a concrete numeric example.
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