Could a kind sould help a math layman generate an Excel formula for the function that is presented in the picture?
Math / Excel question
Questions about MultiCharts and user contributed studies.
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I already have the formula for the above (previous) picture: 1.0001^(-x)
Now I am looking for a formula for the below picture (picture attached).
Your picture suggests an exponential function. The real world example would be a Voltage (Vc) across a capacitor to which the Input Voltage (V) has been applied.
Take a look at the following link - it is a good tutorial and it contains the formula. The 'Time Constant' (T=RC) determines how fast (or slow) the output goes from 0 to V. In your case V=1. The output will never reach 1, since RC must be greater than zero.
Last edited by geizer on 24 Jul 2010, edited 1 time in total.