error "inputs must be float"

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agrim agarwal
agrim agarwal 2019-2-9
编辑： agrim agarwal 2019-2-10
i cant get past this ode45 because of this
>> initial = [0.2,0.3];
>> timespan
timespan =
0 20
>> initial
initial =
0.2000 0.3000
>> [x1 x2] = ode45(@(x11,x22)x1diff(time,x11,x22),timespan,initial);
Error using odearguments (line 113)
Inputs must be floats, namely single or double.
Error in ode45 (line 115)
odearguments(FcnHandlesUsed, solver_name, ode, tspan, y0, options, varargin);
please help

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