Convert an array into floating numbers

Hello,

I have an dataset(49 by 9). I want to convert an array(49 by 1) in the dataset from exponential notation (e.g 1.003 e +03) into floating numbers.

Answer 1

[Matt J]

Use STR2DOUBLE or STR2NUM.

[Reyasudin]

Actually, I want to convert an array of exponential values into floating numbers..not from string to numbers

[Matt J]

Show me how to create a small array of the kind you're thinking of. I can't tell what you mean by "an array of exponential values" and its distinction from a floating point number. When I do this,

    >> a=1.003e+03

    a =

            1003

I am creating a variable 'a' using exponential notation, but WHOS shows you immediately that it is a double floating point value.

    >> whos a
      Name      Size            Bytes  Class     Attributes

      a         1x1                 8  double

[Reyasudin]

I have a variable A that currently being displayed as {1.234e+03, 1.452e+03, 1.678e+03}. I want it to display like this{1235,1452, 1678}

tq

[Matt J]

Execute this at the command line and then re-display

>> format short

[Reyasudin]

Actually I did not create on my own the exponential data. It is already available in the dataset. Such as when I want to extract one row of variable x from dataset A

A.x(1) ans =

   1.5625e+03

[Reyasudin]

the format command does not solve it

[Matt J]

It doesn't matter how the data was created. Your question has nothing to do with the contents of the variable. Your question is about how to control the way it is displayed at the command line. See the FORMAT command for the different options.

 >> doc format

[Reyasudin]

When I open the dataset, the variable in the dataset displayed in exponential format. That is why I want to change the whole column/ array into floating number.

[Matt J]

When I open the dataset

You mean when you open it in the Variable Editor? Under the "View" menu, and within that under the "Numeric Array Format" menu there are options to change the way numbers are displayed (short, long, etc...). It is very similar to the FORMAT command.

[Reyasudin]

yes. that what I am asking..but there is no option to display the whole number..all the available option( short, long.....) will still show the number with exponential. I want it to display like shortg or longg number format. Maybe I cannot change it?