how to increment an exponential in a diagonal

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Harnoor
Harnoor 2022-7-15
回答： KSSV 2022-7-15
I want to create a matrix with exponents in the diagonal. The first exponent is e^-1, then e^-1/2, e^-1/3... all the way to e^-1/19.

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KSSV
KSSV 2022-7-15
A = exp(-1./(1:19)) ;
iwant = diag(A)

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