69 when is f@g not the same as f[g]? 2013-08-14T06:42:57.387

67 V10's Operator Forms - what are they good for? 2014-08-03T10:12:43.237

34 Is there a comprehensive list of functions with operator forms? 2014-09-18T19:44:42.247

33 Having the derivative be an operator 2012-05-02T21:47:35.063

28 How is + as an infix operator associated with Plus? 2013-08-29T23:51:13.340

23 Generating an ordered list of pairs of elements from ordered lists 2012-09-11T09:44:33.057

21 What is the definition of Curl in Mathematica? 2019-02-12T08:59:46.720

19 Why does OperatorApplied by default reverse the arguments? 2020-03-20T14:26:42.890

17 How to define a non-standard algebra in Mathematica? 2012-05-21T02:07:42.073

17 What happens when you divide by ##? 2015-01-08T17:51:59.390

15 Is it possible to define custom compound assignment operators like ⊕= similar to built-ins +=, *= etc? 2013-06-16T04:51:46.070

14 Custom operator form for system functions? 2016-04-18T04:43:53.157

14 How I can define this operator in Mathematica? 2017-05-10T13:14:25.720

13 Exponential of a Differential Operator 2014-06-25T15:23:08.433

13 Element-wise test on List elements 2015-09-28T12:45:04.150

13 What is the best way to define Wirtinger derivatives 2017-04-14T11:38:41.333

12 How to find range in which a number falls, from given list of numbers? 2012-01-21T08:58:30.670

11 Replace operators 2013-04-07T09:16:41.973

11 Why `Drop` and `Take` do not support a operator form 2015-09-21T11:04:14.707

10 Using D to find a symbolic derivative 2012-05-11T07:29:45.517

10 Change associativity of the @ operator 2012-10-11T13:19:27.967

10 How do I expand a sum? 2012-12-26T18:04:35.543

10 Using MapIndexed[List] on a dataset fails -- why? 2014-08-06T00:21:14.167

10 Operate over list of pure functions 2014-10-21T16:27:50.373

10 Defining quantum-mechanical Bra and Ket operations 2015-05-28T10:33:32.343

10 Question about Rules and Pattern (The operator patt/;test) 2015-09-19T18:39:59.400

10 Define multilinear operator 2015-10-10T10:44:26.373

10 Change Operator Precedence of --> operator 2017-03-21T12:16:17.273

10 Operator currying: how to convert f[a,b][c,d] to {a+c,b+d}? 2019-06-15T12:30:02.007

9 Defining the Moyal Product in Mathematica 2014-07-04T15:59:09.163

9 Creating the Nabla operator (also known as Del operator) as an operator 2015-02-03T09:39:43.963

9 Define an operator with the distributive property 2015-09-15T22:32:02.093

9 Which operators are missing from the official precedence table? 2017-01-20T09:46:25.247

8 How to find (numerical) value of a derivative at point? 2012-09-29T17:09:34.587

8 Redefining a built-in operator 2015-08-01T22:46:42.170

8 Position-based Inline syntax for Curry 2018-03-14T18:38:25.303

7 HoldForm[Operator ##] on some list 2013-09-06T19:05:00.807

7 How to define the Poisson bracket in Mathematica 2014-02-07T04:09:57.420

7 Products of Differential Operators 2015-01-13T16:29:45.187

7 How to construct custom operators with precedence? 2015-02-15T01:54:14.367

7 How to make a binary function associative? (Or define an n-ary function?) 2015-03-22T05:32:06.407

7 How to write an operator that acts on pure function (to give another pure function) 2015-07-03T14:39:51.037

7 Difference between = and := 2016-10-30T14:50:07.383

7 Defining an operator in Mathematica? 2020-03-23T05:46:05.833

6 How to change coordinates of a differential operator? 2012-11-09T22:31:23.860

6 Why can't I define a commutator operator in this way? 2013-01-31T08:50:14.353

6 Define operator algebra 2013-09-15T13:28:53.430

6 What is the mathematical meaning behind D[f]? 2014-04-01T03:14:42.380

6 Computing with matrix differential operators 2014-12-16T18:33:12.200

6 How to construct infix operator with usual behavior? 2017-10-12T20:07:34.010

6 Iterated differential operator 2020-07-22T00:23:07.683

5 ComplexInfinity/Indeterminate error when evaluating derivative 2012-09-03T01:27:31.147

5 How to write a differential operator in Mathematica 2013-03-02T20:32:26.473

5 Can Mathematica Operators be combined in a linear fashion for readability? 2014-02-18T20:30:42.580

5 Scalar product operator of complex vectors 2014-06-18T16:58:26.880

5 Factoring a differential equation into an operator product 2014-07-18T05:49:08.900

5 Computing list elements that refer to earlier elements and two other lists without iteration 2014-12-12T21:57:37.567

5 Associativity of `/@` 2015-01-03T20:42:30.760

5 Operator which can be interpreted as binary and unary 2015-05-16T16:07:50.157

5 Is it possible to simplify an expression in vector form, which involves crossproduct and dot product? 2015-10-21T20:45:32.673

5 How can I define operators that implement the algebra of sets? 2015-12-11T14:45:07.763

5 How best to write an exponential of differential operators? 2016-01-28T15:29:34.873

5 I want to be able to define (a(x) d/dx + b(x))^n 2016-08-20T01:38:55.857

5 Custom opaque operator with custom axioms? 2017-04-10T03:20:02.783

5 Define an operator for FileNameJoin 2017-05-31T16:20:22.593

5 Indefinite order of differential operator 2018-08-17T09:18:50.200

5 Associativity of upvalue 2018-09-11T08:54:27.393

4 Question on operator: // N 2013-01-06T03:59:27.897

4 Operator-Input Form for Lists? 2014-07-27T16:17:52.150

4 Avoid writing explicit form of operator 2014-08-17T10:33:10.910

4 Polynomial expansion of operator 2015-01-24T20:50:28.967

4 General function for the expansion of a polynomial of operators 2015-03-30T13:05:44.063

4 Changing the grouping of an user defined infix operator 2015-08-06T06:44:07.887

4 Defining a matrix with elements acting as operators 2016-05-17T17:18:02.283

4 What does "slash at" mean /@? 2016-10-19T20:31:37.253

4 How to implement the action of a shift operator on arbitrary functions? 2016-10-27T08:58:29.413

4 Proof of the Dirac-$\gamma$ matrices identity 2017-04-08T11:52:26.140

4 Matrix differential operator 2017-06-01T03:33:15.967

4 Interchanging addition and multiplication 2017-08-08T13:11:40.577

4 What is the operator **? 2017-08-26T20:39:01.553

4 What are current approaches for supporting Dirac notation for quantum mechanics? 2017-09-14T19:45:38.077

4 Can I control depths in `Inner`? 2017-11-22T03:54:09.667

4 How to define a differential operator in Mathematica? 2018-03-27T06:33:22.703

4 Wick's theorem for Gaussian stochastic variables 2018-07-31T18:46:34.703

4 Operator form for Histogram of multiple datasets? 2018-09-12T02:16:30.663

4 Can C-like function call syntax be easily achieved for particular function names? 2019-10-05T07:55:43.743

4 Partial transpose of 8x8 density matrix? 2020-05-06T16:37:46.137

4 How can I direct sum matrices into the middle of one another another? 2021-01-20T01:42:46.743

3 Displaying the meaning of an operator using Information 2013-08-29T10:11:42.423

3 Differential operator squared 2014-03-11T07:54:55.057

3 Operator operation 2014-04-12T15:33:04.407

3 Custom operators; custom pattern matching with pure functions 2014-05-30T08:07:48.197

3 Extract differential operator from differential form 2014-06-11T18:30:37.623

3 Gâteaux (directional) derivatives and higher order differentials of a functional 2014-07-03T20:16:40.960

3 Cannot normally underline slash characters and hyperlinks 2015-04-23T11:17:56.813

3 Computing powers of the operator using symbolic computation 2016-03-09T14:37:19.080

3 Replacing multiplication of matrix elements by application of these elements as functions 2016-05-09T20:43:07.770

3 Product of n different operators 2016-09-01T08:23:28.973

3 Generating a list of values from the application of a sequence of operators 2016-10-04T02:48:09.090