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fastsum_matlab
[Fast summation]


Functions

int main (int argc, char **argv)

Function Documentation

int main int  argc,
char **  argv
 

< indices

< number of dimensions

< number of source nodes

< number of target nodes

< expansion degree

< cut-off parameter

< degree of smoothness

< name of kernel

< kernel function

< parameter for kernel

< plan for fast summation

< array for direct computation

< for time measurement

< for error computation

< inner boundary

< outer boundary

init two dimensional fastsum plan

load source knots and coefficients

load target knots

direct computation

copy result

precomputation

fast computation

compute max error

write result to file

finalise the plan

Definition at line 23 of file fastsum_matlab.c.

References fastsum_plan_::alpha, cosc(), cot(), fastsum_plan_::f, fastsum_exact(), fastsum_finalize(), fastsum_init_guru(), fastsum_precompute(), fastsum_trafo(), gaussian(), inverse_multiquadric(), inverse_multiquadric3(), logarithm(), fastsum_plan_::M_total, multiquadric(), nfft_second(), one_over_modulus(), one_over_square(), one_over_x(), sinc_kernel(), thinplate_spline(), fastsum_plan_::x, and fastsum_plan_::y.


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