# Tag Info

Accepted

### How can I view the minimal required arguments of a Wolfram Language function?

You can use SyntaxInformation: SyntaxInformation /@ {Sin, Replace} // Column
• 399k
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### Define function that behaves almost identically to Mathematica function

If you want to constrain it to only options from ListPlot, you could use OptionsPattern in combination with ...
• 11.2k

### How to define a function reminding of names of the independent variables?

You can get the behavior you ask for if you define your function to work with an association. The key-value paradigm provides syntax close but not exactly as you describe. Simple approach ...
• 108k
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### How to pass arguments to the list of functions?

f[x_, y_] = x + y; g[x_, y_] = x^3 + y^2 + 2 x; functions = {f, g}; Using Map ...
• 161k
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• 31.7k
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### How to supply argument to pure function when slot is already defined?

If you don't want to follow some suggestions made in comments and use the Function with named arguments (and there may be valid reasons to be willing to avoid that),...
• 115k

### How to define a function reminding of names of the independent variables?

If this is just to help entering values in the correct order (and not to be permanently visible), you can possibly use a Placeholder. Reevaluating ...
• 5,222

### Define function that behaves almost identically to Mathematica function

The usual way to define a Wolfram Language function that takes n arguments and an arbitrary number of options is like this: ...
• 1,369
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### Make a function work by the keyword instead of argument position while evaluating

It is possible to do with Options: ...
• 3,116
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### Testing if list elements are numerical

TestFun[listArg_?(VectorQ[#, NumericQ] &)] := Sum[listArg[[k]], {k, 1, m}] TestFun2[{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}] 55 or ...
• 399k

### Mapping between lists and Mapping Formats

Partition[connectionsOrder, 2, 1, {1, -1}, {}, Rule] ...
• 399k
Accepted

### What Does this Syntax Mean in Ouput from DSolve?

$c_1$ is a function that takes $x$ and $\frac{1}{2}(y^2+z^2)$ as its arguments. I do not know why it shows it this way. In Maple, same solution is shown as \$f \left(x , y , z\right) = F1 \left(x , y^{...
• 149k
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### Define a function with sparsearray

I corrected some of the syntax issues in your code. While this can likely be improved, I think it is beneficial to see what precisely can be changed to make your code able to run. Please find it below,...
• 3,352

### Collect the coefficients through the Cos argument

One way, assuming expr is a linear combination of cosines: ...
• 241k

### How do I pass a "list of lists" as the argument to a function of the form F[x,y]?

Apply at Level 1: F @@@ list {F[a1, b1], F[a2, b2], F[a3, b3], F[an, bn]}
• 399k

### How to make functional rules not depend on an argument?

It's just like defining a function. Make x the name of a pattern, not a literal symbol: ...
• 13.9k

### Keep irrelevant variables outside function arguments

Clear["Global`*"] f1[x_, y_ : y] := x^2 + y f2[x_, y_ : y] := (1 + x) f1[x, y] f3[x_, y_ : y] := Derivative[1, 0][f1][x, y] + f2[x + 1, y] In each case, ...
• 161k
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### Mapping between lists and Mapping Formats

BlockMap can do more of the work than you are allowing it to: BlockMap[Apply[Rule], connectionsOrder, 2, 1] ...
• 273k
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• 69.7k

### Map a two argument function to every element on list

One way would be to use Inner: ...
• 21k
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### How can I fix my Simpson's rule integration code?

I can recommend more practical for numerical calculations next definition: ...
• 47.8k
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### Defining function with arguments in a specific pattern similar to Graphics[]

ClearAll[f1, f2] f1[gr_, clr_] := Graphics@Style[gr, clr] f2[args : __, opts : OptionsPattern[Show]] := Show[f1 @@@ Partition[{args}, 2], opts] Example: ...
• 399k

### Make a function work by the keyword instead of argument position while evaluating

You could use associations as follows: f[in_:<||>]:=With[{m=Merge[{in,<|a->1,b->2,c->3|>},First]}, m[a]+m[b]+m[c] ]; Examples: ...
• 11.9k
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...
• 67.7k
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### How to represent functions values Table in a form of columns with arguments and values?

You can use TableForm: ...
• 399k

• 131k

### How can I fix my Simpson's rule integration code?

The function MyPlot, which is the model for your implementation, is specialized to a certain argument pattern and won't evaluate when given ...
• 108k
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### How to extract arguments of color spaces and determine brightness of said colors?

RGBColor and GrayLevel are just semantic wrappers. FullForm[Orange] RGBColor[1,0.5,0] ...
• 31.7k

### How to extract arguments of color spaces and determine brightness of said colors?

You might try working in the hue, saturation, and brightness color space for this. Suppose I have a RGB color with red value 0.1, green value 0.8 and blue value 0.7 ...
• 2,590