How to convert unit8 number to a double number using matlab function? I have use

Question

How to convert unit8 number to a double number using matlab function? I have used the double ( ) function but it doesn’t work! I might used it wrong??!! Or is there any different function for converting? How to convert unit8 number to a double number using matlab function? I have used the double ( ) function but it doesn’t work! I might used it wrong??!! Or is there any different function for converting? I have used the double ( ) function but it doesn’t work! I might used it wrong??!! Or is there any different function for converting?

Explanation / Answer

Actually its uint8 not unit8. Which means unsigned integer of 8 bits. So the maximum value uint8 can accept is 255 (2^8-1 = 255);

Try the following code in your PC.

a=uint8(215)
b=double(a)
whos

Result:

Name Size Bytes Class Attributes

a 1x1 1 uint8
b 1x1 8 double   

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