How to use correctly fsolve

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salvatore liberto
salvatore liberto 2016-10-17
回答： Walter Roberson 2016-10-17
Hi everyone, i don't be able to find the way to write a nonlinear system. Can you help me? The system is substantially in this form:
1) (x(i+1)-x(i))*(y(i+1)-y(i))+x(i-1)-y(i-1);
2) (x(i+1)-2x(i))-y(i)

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回答（1 个）

Walter Roberson
Walter Roberson 2016-10-17
Vectorize
diff(x(3:end)) .* diff(y(2:end-1)) + x(1:end-1) - y(1:end-1)
x(3:end) - 2 * x(2:end-1) - y(2:end-1)

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