Radium decomposes at a rate proportional to the amount present. If a quarter of the original amount disappears after 900 years, what is the percentage lost in 75 years?

Question

Kyra Ceelin Baldovino on 29 Jul 2020

0
Link

Direct link to this question

https://se.mathworks.com/matlabcentral/answers/572104-radium-decomposes-at-a-rate-proportional-to-the-amount-present-if-a-quarter-of-the-original-amount

Answered: Image Analyst on 7 Aug 2020

How do I solve for this using matlab?

1 Comment
Show -1 older commentsHide -1 older comments

Sriram Tadavarty on 29 Jul 2020

Hi Kyra,

May i know what have you tried so far? Where did you get struck? What is the issue you are facing to solve this?

Also, provide your question in the description as well.

Regards,

Sriram

Sign in to comment.

Sign in to answer this question.

Answer 1

Rohit Pappu on 7 Aug 2020

0
Link

Direct link to this answer

https://se.mathworks.com/matlabcentral/answers/572104-radium-decomposes-at-a-rate-proportional-to-the-amount-present-if-a-quarter-of-the-original-amount#answer_476548

As per my understanding of your question, you would like to solve a first order differential equation using MATLAB. This is possible using the dsolve function of Symbolic Math toolbox. Additional documentation on solving first order differential equations can be found here.