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less time to run how

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SHARAD KUMAR UPADHYAY
评论： SHARAD KUMAR UPADHYAY 2019-2-23
%% i am using this and it take long time to run,
F_half=integral(fun,0,inf,'ArrayValued',true,'RelTol',1e-4)
%% if i use this F_half=integral(fun,0,inf) then it take less time
%% as i am using this F_half=integral(fun,0,inf,'ArrayValued',true,'RelTol',1e-4) type function many times and that take too much time why and how can i colve it
%% and what is the use of 'ArrayValued',true,'RelTol',1e-4

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回答（1 个）

Torsten
Torsten 2019-2-22
编辑：Torsten 2019-2-22
Usually, fun is called for a vector of x-values and must return an array of the same size. ArrayValued = true forces "integral" to evaluate your function only for one single x-value at a time. This causes longer run times.

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