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Re: Integrating a Matrix

Perhaps something like the following (very simple example)?

   mat = Table[f[i, j][x], {i, 1, 3}, {j, 1, 3}]
   Partition[(NIntegrate[#, {x, 0, 1}] &) /@ Flatten[mat], 3]

On Nov 27, 2013, at 1:24 AM, David Barnes <barnes at> wrote:

> I have a 3X3 matrix of functions fij[x], for i,j = 1,2,3, and I want to NIntegrate all nine elements over 0<x<1 to get a matrix of constants. Is there an easy way to do this other that doing 9 individual NIntegration's?

Murray Eisenberg                                    
murray at
Mathematics & Statistics Dept.      
Lederle Graduate Research Tower           
University of Massachusetts 
710 North Pleasant Street  
Amherst, MA 01003-9305

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