Altair Engineering Interview Questions, Process, and Tips

Q1. What is Singleton and implement it.
Ans. 
Singleton is a design pattern that restricts the instantiation of a class to one object.
• Singleton pattern ensures that a class has only one instance and provides a global point of access to it.

• Commonly used in scenarios where only a single instance of a class is needed, such as database connections or logging.

• Implementation involves a private constructor, a static method to access the instance, and a static variable to...read more
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Q2. Implement meshing on a box.
Ans. 
Meshing on a box involves creating a network of interconnected vertices, edges, and faces on the surface of the box.
• Identify the vertices, edges, and faces of the box

• Create a mesh by connecting the vertices with edges and forming faces

• Ensure the mesh is well-structured and follows the desired pattern

• Consider using algorithms like Delaunay triangulation or marching cubes for mesh generation
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Basics of core js and css questions

Q1. Implement Infinite scroll on the page
Ans. 
Implementing infinite scroll on a webpage
• Use JavaScript to detect when user reaches the bottom of the page

• Fetch more content using AJAX calls

• Append new content to the existing page dynamically
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Written test on Basics of c and c++ is asked.
Also be thorough with mathematical topics like vectors,calculus.

Q1. C++ basic questions Oops concepts
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Q2. Math questions on vectors and calculus Predict the output for a given program
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Two Groups were made to discuss in against and favour of a topic.

Q1. OOPs basics Sorting
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