Temperature conversion script doest work with negative input value

Question

Callum Davies 2022-12-23

0
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https://ww2.mathworks.cn/matlabcentral/answers/1883472-temperature-conversion-script-doest-work-with-negative-input-value

编辑： Image Analyst 2022-12-23

I've made a script that converts Farenheit to Celsius and Kelvin, but when the input value is negative the script breaks and gives incorrect values. how can i fix this?

% input the temperature in farenheit
F=input('Input the temperature in Farenheit that you want to convert to Celsius and Kelvin:');
% calculate the temperature in celsius
C=5/9*((F)-32);
%calculate the tempurature in kelvin
K=C+273;
% output the temperature in celsius and kelvin
disp([num2str(F),' degrees Farenheit is ',num2str(C),' degrees Celsius and ',num2str(K),' degrees Kelvin'])

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Torsten 2022-12-23

Disregarding the fact that "Farenheit" should be "Fahrenheit", your code works just fine.

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Answer 1

John D'Errico 2022-12-23

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https://ww2.mathworks.cn/matlabcentral/answers/1883472-temperature-conversion-script-doest-work-with-negative-input-value#answer_1134747

编辑：John D'Errico 2022-12-23

在 MATLAB Online 中打开

Nope. Works just fine. For example, with F = -459 (approximately absolute zero) you should get approximately -273.

F=input('Input the temperature in Farenheit that you want to convert to Celsius and Kelvin:');
Input the temperature in Farenheit that you want to convert to Celsius and Kelvin:-459
F
F =
  -459
  
C=5/9*((F)-32)
C =
      -272.78