Community Profile # Christina Kersten

Last seen: 2 years ago Active since 2018

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Question

How to get multiple roots of x
So I have the equation x*tan(x) = constant. How do I get Matlab to spit out multiple values of x? I need at least 9 but it only ...

3 years ago | 1 answer | 0

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Question

How to remove multiple elements in a row matrix
I have a 40000x1 matrix and just want to remove elements 1 to 2834. How do I do this?

3 years ago | 1 answer | 0

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Question

Trying to solve for x
So basically I have this equation, and I'm trying to find where the second derivative of it equals 0, but I keep getting that x ...

4 years ago | 0 answers | 0

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Question

Taking second derivative and solving it for when it equals 0
Here is the code that I have: clear all; close all m = xlsread('1 MgO.xlsx','Sheet1','B1:J18'); temp = m(:,6); MgO = m(:,3)...

4 years ago | 2 answers | 0

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Question

MATLAB polyfit, palyval not working correctly
Basically I'm just trying to curve fit some data but the line of best fit is not correct. Here is the code I have so far clear ...

4 years ago | 1 answer | 0