How can i use GPU Computing for Besselk & Besseli function and integral ?

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Wang
Wang on 20 Aug 2021
Commented: Wang on 25 Aug 2021
The form of my function and its integral :
Function = @( xx_in , a , b ,u, k ) besselk( 0 , sqrt( ( a - xx_in ) .^ 2 + b ) .* sqrt( u ) ) + k .* besseli( 0 , sqrt( ( a - xx_in ) .^ 2 + b ) .* sqrt( u ) ) ;
intmyfun( ixxx , : ) = integral( @( xx_in ) Function( xx_in , A_Fis_roll , A_Comb_roll_r , u_f_roll , ksi_2_roll ) , Limt_U_Lock , Limt_D_Lock , 'ArrayValued' , true ) ; %*The parameter :a , b ,u , k is (1 * 5.8e6 )double
The Besselk and Besseli is common functions in study of fulid or gas seepage mechanism ,if i have to use GPU computing in matlab to make my code run faster ,Is there any alternative methods?
Thanks a lot!!!

Accepted Answer

Edric Ellis
Edric Ellis on 24 Aug 2021
Unfortunately, the Bessel functions are not yet supported on the GPU, so there is no straightforward workaround for this part. Instead of integral, you might be able to use trapz instead.

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