xt = @(t) sin(t);
yt = @(t) cos(t);
zt = @(t) t;
fplot3(xt,yt,zt)

fig2plotly();

Error using response_handler (line 31)
Expecting (x, y) pairs

Error in makecall (line 32)
    response_handler(resp);

Error in plotly (line 28)
response = makecall(args, origin, structargs);

Error in plotlyfig/plotly (line 437)
                response = plotly(obj.data,
                args);

Error in fig2plotly (line 49)
p.plotly;

Error in untitled11 (line 28)
fig2plotly();