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  • 大小: 3KB
    文件類型: .m
    金幣: 1
    下載: 0 次
    發(fā)布日期: 2021-05-14
  • 語言: Matlab
  • 標(biāo)簽: 極值求取??

資源簡介

本程序使用matlab求取二維數(shù)組的極大值與極小值

資源截圖

代碼片段和文件信息

function?varargout?=?localMaximum(xminDist?exculdeEqualPoints)
%?function?varargout?=?localMaximum(xminDist?exculdeEqualPoints)
%
%?This?function?returns?the?indexes\subscripts?of?local?maximum?in?the?data?x.
%?x?can?be?a?vector?or?a?matrix?of?any?dimension
%
%?minDist?is?the?minimum?distance?between?two?peaks?(local?maxima)
%?minDist?should?be?a?vector?in?which?each?argument?corresponds?to?it‘s
%?relevant?dimension?OR?a?number?which?is?the?minimum?distance?for?all
%?dimensions
%
%?exculdeEqualPoints?-?is?a?boolean?definning?either?to?recognize?points?with?the?same?value?as?peaks?or?not
%?x?=?[1?????2?????3?????4?????4?????4?????4?????4?????4?????3?????3?????3?????2?????1];??
%??will?the?program?return?all?the?‘4‘?as?peaks?or?not?-??defined?by?the?‘exculdeEqualPoints‘
%?localMaximum(x3)
%?ans?=?
%??????4?????5?????6?????7?????8?????9????11????12
%
%??localMaximum(x3true)
%?ans?=
%??????4?????7????12
%??????
%
%?Example:
%?a?=?randn(1003010);
%?minDist?=?[10?3?5];
%?peaks?=?localMaximum(aminDist);
%?
%?To?recieve?the?subscript?instead?of?the?index?use:
%?[xIn?yIn?zIn]?=?localMaximum(aminDist);
%
%?To?find?local?minimum?call?the?function?with?minus?the?variable:
%?valleys?=?localMaximum(-aminDist);

????if?nargin?????????exculdeEqualPoints?=?false;
????????if?nargin??????????

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