Re: [Sc-devel] maxIndex and minIndex?

[Josh Parmenter <josh@xxxxxxxxxxxxxxxxx>]

would something like this work?

a  = [0, 3, 2, 5, 8, 3, 9, 6, 5]

a.indexOf(a.maxItem)
a.indexOf(a.minItem)

Josh

On Dec 27, 2007, at 2:54 AM, Click Nilson wrote:

> Just wondering whether there is a method already for returning the  
> index of the maximum or minimum element (rather than the value)?  
> This is something I've often been recoding in algorithms and added  
> my own extentions to SequenceableCollection as below; but perhaps  
> there is some existing method I don't know the name of? Else can I  
> add these? I have an interpolation constructor method as well that  
> could go in as a convenience method rather than .series...
>
> best,
> Nick
>
>
> + SequenceableCollection {
> *interp { arg size, start=0.0, end=1.0;
> 		var obj = this.new(size);
> 		
> 		if(size!=1,{
> 		size.do {|i|
> 		var t;
> 		
> 			t= i/(size-1);
> 			
> 			obj.add(start + (t*(end-start)));
> 		};
> 		},{obj.add(start);});
> 		
> 		^obj
> }
> maxIndex {
>
> 	var maxValue, maxElement, maxIndex;
> 			this.do { | elem,index|
> 				if (maxElement.isNil) {
> 					maxElement = elem;
> 					maxIndex = index;
> 				}{
> 					if (elem > maxElement) {
> 						maxElement = elem;
> 						maxIndex = index;
> 					}
> 				}		
> 			}
> 			^maxIndex;
> }
>
>
>
> minIndex {
>
> 	var minValue, minElement, minIndex;
> 			this.do { | elem,index|
> 				if (minElement.isNil) {
> 					minElement = elem;
> 					minIndex = index;
> 				}{
> 					if (elem < minElement) {
> 						minElement = elem;
> 						minIndex = index;
> 					}
> 				}		
> 			}
> 			^minIndex;
> }
>
>
> }
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/* Joshua D. Parmenter
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