couldnt able to use switch statement with string

1 vue (au cours des 30 derniers jours)
AJAY CHANDRA DORAGARI
AJAY CHANDRA DORAGARI le 26 Juin 2020
w=input('enter the weight ')
material=input('enter type of material ','s');
material=lower('material');
f1=0.2*w;
f2=0.35*w;
f3=0.4*w;
f4=0.7*w;
switch material
case 'mmetal'
disp(f1)
case 'wwood'
disp(f2)
case 'mwood'
disp(f3)
case 'rcon'
disp(f4)
otherwise
disp('error')
end
it is jumping to otherwise line
and can we use mathematical operation and display that result under 'case' section
i.e for example
case mm
force =w*0.3

Réponse acceptée

Fangjun Jiang
Fangjun Jiang le 26 Juin 2020
material=lower(material); without the single quote.

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