How do I resolve 'Conversion to cell from double is not possible'?

I have this code creating a 1x3 cell array of 4x16 matrices. Then If a check box is ticked, the corresponding 4x16 zeros matrices are replaced with 4x16 matrices called from excel.

for num=1:3
   rates{num} = zeros(4,16);
end

if app.Type1_Select.Value == 1
   rates(1,1) = xlsread('Rates.xlsx','C3:R6');
end

When I run this code an error comes up saying 'Conversion to cell from double is not possible.' for line 5.

How can I resolve this?

Thank you

Answer 1

[Geoff Hayes]

Ashton - try replacing the () brackets with {} braces

if app.Type1_Select.Value == 1
   rates{1,1} = xlsread('Rates.xlsx','C3:R6');
end

[Ashton Linney]

Ah yes! Thank you sir.