Using an equation to calculate value for each number in data set

Question

Sophie Stringer 2019-11-6

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https://ww2.mathworks.cn/matlabcentral/answers/489463-using-an-equation-to-calculate-value-for-each-number-in-data-set

评论： Sophie Stringer 2019-11-6

Hi there,

I have a data set with 122736 x 1 values. I have an equation I want to apply to each value in the data set, to get a new variable of 122736 x 1, but representing a different term.

The equation is attached below.

So the data set I have is my T value. And the new data set I want to create will be the P value.

Any suggestions is be greatly appreciated.

Thank you :) Screen Shot 2019-11-06 at 6.01.46 pm.png

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Answer 1

Bhaskar R 2019-11-6

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https://ww2.mathworks.cn/matlabcentral/answers/489463-using-an-equation-to-calculate-value-for-each-number-in-data-set#answer_400074

在 MATLAB Online 中打开

Here is your equation

P = 0.61121*exp((18.678-T/234.5).*(T./(257.14+T)));

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Sophie Stringer 2019-11-6

Hi Bhaskar,

Thank you for the reply. I was more wondering how to apply the equation to each number in my data set, creating a new data set with the answers. I was thinking some sort of loop function would do it....

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