I want to redefine the QSVM code for a different kernel. But what is the kernel actually used in the IBM Qiskit's source code? And where is it defined, exactly. QSVM on Qiskit.
You can refer to this link https://qiskit.org/documentation/_modules/qiskit/circuit/library/data_preparation/zz_feature_map.html#ZZFeatureMap to get help on the default kernel being used.