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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]

...ion function is to introduce non-linearity into the network in turn, this allows you to model a response variable (aka target variable, class label, or score) that varies non-linearly with its explanatory variables non-linear means that the output cannot be reproduced from a linear combination of ...
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Get Substring - everything before certain char

... you've got more code than the methods that have been proposed already. It all depends on how much you know about the incoming data. – Dominic Cronin Nov 12 '12 at 19:50 7 ...
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How to comment a block in Eclipse?

...t-\ in that case. EDIT: It's Ctrl on a PC, but on a Mac the shortcuts may all be Cmd instead. I don't have a Mac myself, so can't easily check. share | improve this answer | ...
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split string only on first instance of specified character

...Very elegant. Works like a charm. Thank you. – Ofeargall Jan 5 '11 at 18:43 12 Just to be clear, ...
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How to check if mysql database exists

... Why is "INFORMATION_SCHEMA" in all caps? With me it's in all lower case – Hubro Jun 15 '12 at 13:19 3 ...
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Should I learn C before learning C++? [closed]

...es not mean you need to learn C first. If you learn C++ you will eventually learn most of C with some differences between the languages that you will learn over time. In fact its a very hard thing to write proper C++ because intermediate C++ programmers tend to write C/C++.That is true whether ...
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Equation (expression) parser with precedence?

...ursively, for example, using your sample string, 1+11*5 to do this manually, you would have to read the 1, then see the plus and start a whole new recursive parse "session" starting with 11... and make sure to parse the 11 * 5 into its own factor, yielding a parse tree with 1 + (11 * 5). This a...
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Difference between toFixed() and toPrecision()?

...om Mozilla Doc Center for toFixed() and for toPrecision(). Fortunately for all of us, MDC and w3schools agree with each other in this case. For completeness, I should mention that toFixed() is equivalent to toFixed(0) and toPrecision() just returns the original number with no formatting. ...
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Is there a 'box-shadow-color' property?

... That's a great use of variables! Let's hope that they'll be supported in all browsers within the next few years :/ – fregante Aug 18 '15 at 0:10 ...
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How to get started with developing Internet Explorer extensions?

...er the BHO (needs registry access). Start by creating a class library. I called mine InternetExplorerExtension. Add these references to the project: Interop.SHDocVw: COM tab / search for "Microsoft Internet Controls" Microsoft.mshtml: Assemblies tab / search for "Microsoft.mshtml" Note: Someho...