What is the role of the kernel function in Support Vector Machines?

What is the role of the kernel function in Support Vector Machines?

Step 1: Understand that Support Vector Machines (SVM) are used for classification tasks, which means they help to separate different classes of data.
Step 2: Realize that sometimes the data cannot be separated by a straight line (linear boundary) in its original space.
Step 3: The kernel function is a mathematical tool that transforms the original data into a higher-dimensional space.
Step 4: In this higher-dimensional space, it becomes easier to find a straight line (or hyperplane) that can separate the different classes.
Step 5: By using the kernel function, SVM can create complex, non-linear decision boundaries that can effectively classify the data.

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