Create matrix and write to excel

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Lisa
Lisa 2014-8-18
编辑： Lisa 2014-8-20
Hi everybody! I have the following problem: I nwant to create a matrix that shows the distance between each of these places. The matrix should then be written into a excel document. Somebody who can help me with the code?

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Stalin Samuel
Stalin Samuel 2014-8-18
clear all lt=[57:10:97] lg=[10:10:50] d=zeros(5,5) for i= 1:5 for j=1:5 dlat=lt(j)-lt(i) dlong=lg(j)-lg(i) a = (sin(dlat/2))^2 + cos(lt(i))*cos(lt(j))*(sin(dlong/2))^2; c = 2*atan2(sqrt(a), sqrt(1-a)); R = 6370;
d(i,j) =round( R*c) end end filename = 'test.xlsx'; xlswrite(filename,d)

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