Tuning Fork - Eigenfrequency

Hello,

I was wondering could someone tell me why my eigenfrequecy output is like the attached screen capture and not a single value like it it in the comsol model when I specify 1 value not 7.

7 values are outputted and I need to multiply by 100!

my matlab program is

model = mphopen('tuning_fork');
interval = [75 82.1 86.5];
for i = 1:3
model.param.set('Lp',interval(i));
model.study('std1').run;

Eigenfrequency= mphglobal(model,'freq')

end

Any help would be greatly appreciated...

Kindest regards,

Sinéad