MATLAB: Not enough input arguments

MATLABnot enough

clc
t=2;
f1 = 130;
f2 = 120;
y = 2*cos.*(2*pi*((f1+f2)./2)*t)*cos.*(2*pi*((f1-f2)./2)*t);

Best Answer

Is this what you mean?

    y = 2*cos(2*pi*((f1+f2)/2)*t)*cos(2*pi*((f1-f2)/2)*t);

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MATLAB: Not enough input arguments

function [Y, t] = final
  [Y, t] = ODEsolver_eulerND(@Fexample1, [0 1],  0, 1, 11);
function F = Fexample1(t, y)
% check the size of y
n = length(y);
if n ~= 2, error('invalid size of y'); end
F1 = 0.25*y(1) - 0.002*y(1)^2 - 0.005*y(1)*y(2)
F2 = 0.05*y(2) - 0.009*y(2)^2 - 0.005*y(1)*y(2)
F = [F1; F2];

Note: I changed the F = [F1, F2]; to F = [F1; F2]; for consistency with the Mathworks ode*() routines. Using a column vector there will allow you to check your results using ode45()

MATLAB: Not enough input arguments

You coded your ode call as something like

ode45(DifLign, .....)

but you need to code

ode45(@DifLign, ......)

Best Answer

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MATLAB: Not enough input arguments

MATLAB: Not enough input arguments

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