https://community.developer.cybersource.com/t5/Integration-and-Testing/Why-is-integration-harder-than-differentiation/m-p/69204#M42278 <P>Hello everyone,,</P><DIV class="_3xX726aBn29LDbsDtzr_6E _1Ap4F5maDtT1E1YuCiaO0r D3IL3FD0RFy_mkKLPwL4"><DIV class="_292iotee39Lmt0MkQZ2hPV RichTextJSON-root"><P class="_1qeIAgB0cPwnLhDF9XSiJM">More specifically, how come any function expressible in terms of elementary functions has a derivative expressible in terms of elementary functions, but this is not true at all (and almost never true) for finding primitives?</P><P class="_1qeIAgB0cPwnLhDF9XSiJM">The best reason I can come up with is that the derivative only depends on the local behavior of the function at that point... but idk.</P></DIV></DIV><DIV class="_1DuqrDuDY7oCGwxIDfPnkC"><DIV class="_3z-HawigfVSR9eaFemFvey _1gdGiuEoJZPL0Hg3bLTyw9 _2LeW9tc_6Fs1n7Ou8uD-70 ">&nbsp;</DIV><DIV class="SazdBVH5x2tirUn-sW1XW _1svxG6WJ6vr-T9iN3rf5M6">&nbsp;</DIV></DIV> Wed, 25 Sep 2019 09:36:45 GMT Lincon 2019-09-25T09:36:45Z https://community.developer.cybersource.com/t5/Integration-and-Testing/Why-is-integration-harder-than-differentiation/m-p/69204#M42278 <P>Hello everyone,,</P><DIV class="_3xX726aBn29LDbsDtzr_6E _1Ap4F5maDtT1E1YuCiaO0r D3IL3FD0RFy_mkKLPwL4"><DIV class="_292iotee39Lmt0MkQZ2hPV RichTextJSON-root"><P class="_1qeIAgB0cPwnLhDF9XSiJM">More specifically, how come any function expressible in terms of elementary functions has a derivative expressible in terms of elementary functions, but this is not true at all (and almost never true) for finding primitives?</P><P class="_1qeIAgB0cPwnLhDF9XSiJM">The best reason I can come up with is that the derivative only depends on the local behavior of the function at that point... but idk.</P></DIV></DIV><DIV class="_1DuqrDuDY7oCGwxIDfPnkC"><DIV class="_3z-HawigfVSR9eaFemFvey _1gdGiuEoJZPL0Hg3bLTyw9 _2LeW9tc_6Fs1n7Ou8uD-70 ">&nbsp;</DIV><DIV class="SazdBVH5x2tirUn-sW1XW _1svxG6WJ6vr-T9iN3rf5M6">&nbsp;</DIV></DIV> Wed, 25 Sep 2019 09:36:45 GMT https://community.developer.cybersource.com/t5/Integration-and-Testing/Why-is-integration-harder-than-differentiation/m-p/69204#M42278 Lincon 2019-09-25T09:36:45Z