how do i fix this Unable to perform assignment because the left and right sides have a different number of elements.

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Peter Beaini
Peter Beaini 2019-8-14
回答： Prasad Parameswaran 2019-10-22
x(i+1) = x(i) + h;
% euler forward
ye= y0+h*f(x0,y0);
f_newton = @(yvar) yvar-y-h*f(x(i+1),yvar);
df_newton = @(yvar) 1-h*dfdy(x(i+1),yvar);
y(i+1) = NewtonsMethod(f_newton, df_newton,ye, tol);

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回答（1 个）

Prasad Parameswaran
Prasad Parameswaran 2019-10-22
This is because of dimension mismatch. This can be resolved by initialiszing the variables. If the dimension of variable(say x) is known (for example m x n) initiallize " x = zeros(m,n)". Do this for all the variables. If not able to solve the issue share the whole code.

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