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Re: RK4 for a vectorial function

by vr (Curate)
on Nov 26, 2021 at 07:12 UTC ( #11139138=note: print w/replies, xml ) Need Help??

in reply to RK4 for a vectorial function

I definitely understand nothing about what this all is supposed to do. At 1st glance: are you sure about calling

&F0($t1,@c); ... &F0(($t2+$step/2),( @c + (&k1($t2)/2)));

? What (how many) arguments do you think F0 receives in each case?

Further, k2_1 calls k1. Just for sake of symmetry, I wonder if it should have been k1_1. Have you tested/debugged each subroutine/section, so they work as expected, instead of typing this huge and complex code to observe final results? And I suspect other monks' advice about code and PBP will follow.

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