column vector with specific entries for first 4 terms

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Vincent Gambuzza
Vincent Gambuzza 2019-3-14
编辑： madhan ravi 2019-3-23
I need to make a 16x1 column vecor that is in the following form:
coeff = [-x;-2x;-3x;-4x;0;0;0;0;0;0;0;0;0;0;0;0]
help would be greatly apprecited!
thanks!

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回答（1 个）

madhan ravi
madhan ravi 2019-3-15
编辑：madhan ravi 2019-3-23
syms x % just define x as symbolic variable
Coeff = sym(zeros(16,1));
Coeff(1:4) = (-(1:4).*x).'

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