i want to substract very large value from small value in matlab?
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small value = 2.3654
large value = 6.7843e+130
Answer = small value - large value
try to find the substraction but every time i got answer -6.7843e+130.
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Respuestas (1)
madhan ravi
el 30 de Dic. de 2018
-6.7843e+130 is just a scientific notation of -6.7843*10^130 ,because the number is really huge matlab shows them as such.
5 comentarios
Walter Roberson
el 5 de En. de 2019
>> digits(135)
>> smallvalue = sym('2.3654')
smallvalue =
2.3654
>> largevalue = sym('6.7843e+130')
largevalue =
67843000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0
>> answer = smallvalue - largevalue
answer =
-67842999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999997.6346
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