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?

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Kyra Ceelin Baldovino 2020년 7월 29일

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

답변: Image Analyst 2020년 8월 7일

How do I solve for this using matlab?

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Sriram Tadavarty 2020년 7월 29일

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

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Answer 1

Rohit Pappu 2020년 8월 7일

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https://kr.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.