Method: AppMath::Mat#spr

Defined in:
lib/linalg.rb

#spr(v) ⇒ Object

Scalar product of matrices.



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# File 'lib/linalg.rb', line 995

def spr(v)
  fail "dimension mismatch" unless dim == v.dim
  return nil if dim.zero?
  s = self[1].spr(v[1]) 
  for i in 2..dim
    s += self[i].spr(v[i]) 
  end
  s
end