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It's the chain rule. ddyln(y)=1y and so when y is a function of x we have. ddxln(y(x))=1y(x)dy(x)dx. This trick is called logarithmic ... ... <看更多>

Explicit means done by the programmer. Implicit means done by the JVM or the tool , not the Programmer. For Example: Java will provide us ... ... <看更多>