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edited May 27, 2014 at 21:19

The problem with:

CoefficientList[t, Variables[t]]

is that it appears to create a matrix with all the cross terms. Since you only want to first order terms, try out:

Coefficient[t, Variables[t], 1]

{1/2, 1/2, 2, 9/2, 8, 25/2, 18, 49/2, 32, 81/2}

instead.

The problem with:

CoefficientList[t, Variables[t]]

is that it appears to create a matrix with all the cross terms. Since you only want to first order terms, try out:

Coefficient[t, Variables[t], 1]

instead.

The problem with:

CoefficientList[t, Variables[t]]

is that it appears to create a matrix with all the cross terms. Since you only want to first order terms, try out:

Coefficient[t, Variables[t], 1]

{1/2, 1/2, 2, 9/2, 8, 25/2, 18, 49/2, 32, 81/2}

instead.

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created May 27, 2014 at 21:17

The problem with:

CoefficientList[t, Variables[t]]

is that it appears to create a matrix with all the cross terms. Since you only want to first order terms, try out:

Coefficient[t, Variables[t], 1]

instead.