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Chris C


Afton Chemical

Con actividad desde 2014

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Solve equation without symbolic math toolbox
You can run this with two functions. The first function I have designated as myMain.m and it is written as.. r0 = rand(3,3...

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I need to write a script that will prompt the user for four course numbers. Each will be a string of length 5 of the form ‘CS101’. These strings are to be stored in a character matrix.
This can be done in a structure setting as well which would probably make storage and recall easier, but to answer your question...

casi 11 años hace | 0

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Write a script that prompts the user for a string, error-checking until the user enters something (the error would occur if the user just hits the Enter key without any other characters first). The script then prints the length of the string.
This blurb of code is written to accept a string as an input. If you don't want it to accept only a string then you can get rid...

casi 11 años hace | 0

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How to implement something similar to Vlookup with different lenght's vectors??
Okay, I wrote a function that will do this for you. While I was attempting to pull the data from the files you supplied "Compan...

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Error message - matrix dimensions must agree
Okay, I found them (I think). In line 104 that you reference above it looks like there are several variables referenced: A,a,t ...

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How to implement something similar to Vlookup with different lenght's vectors??
In order to provide you with a set of code to solve your problem I would have to know the database as a whole. However, to get ...

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code for my integrals in Matlab!
If you want it done analytically, then you need to get the symbolic toolbox I believe.

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Error message - matrix dimensions must agree
The .* is used whenever you have to arrays or matrices that you want to multiply each individual element with the corresponding ...

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Pregunta


How do I convert a string input to an executable equation?
I am developing a nice GUI for my company (those who don't want to code). It will give them areas to add their equations and de...

casi 11 años hace | 3 respuestas | 0

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Loop if for one j
You need to break out of the j-loop upon that condition and then condition a continue statement within the k-loop.

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when i testing the datasets by inserting corrupted value i keep on getting the error such as ???index exceed matrix. what is the meaning??
testRecord is an array of 6 elements. You call an indexed value of testRecord within your for loop using testRecord(fix*6...

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takespecific elements from matrix to build new one
If your original matrix is called A, then B = [A(1:10,:); A(31:end,:)];

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How can we join two matrices of two dimmention
Write it as below assuming that matrix B and A are of the same dimension. C = [B;A];

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Generating random integer from -x to x
xmin = -x; xmax = x; r = round((xmax-xmin).*rand(10,1)+xmin);

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how to install curve fitting toolbox
I had this problem with all of my toolboxes. I had to go back and reinstall matlab.

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How do i use Simpsons 1/3 function in matlab for this information??
Try this <http://www.mathworks.com/matlabcentral/fileexchange/33493-simpsons-13-and-38-rules/content/simpson.m code>.

casi 11 años hace | 0

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Can Somebody help me to write this equation in Matlab to get the value of Lambda?
In order to calculate the left hand side (LHS) you'll want to determine when the nth term is small enough to neglect. The follo...

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a simple Question about loops
You initialize v incorrectly. Try it this way.... a=[1 2 3 5 4 8]; v=ones(length(a)); v(1)=a(1); for k=2:length(a...

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How can I discretize a function so I can use it in a model?
The great thing about your question is that you already have the continuous functions. The greater challenge is usually finding...

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How can I remove the power of a matrix?
So, the reason Matlab displays data in that manner is to make the best use of the available real estate. However, if you still ...

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How to find max value of three varibles using if,else,end.
Give this code a shot. You would be able to make the variable "data" listed here as a vector of whatever data you like and this...

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index must be a positive integer or logical.
I'm still not reall clear on what you're looking for, but try this version of Marta's code... c1=3.29; c2=9.90; c3=0.77; ...

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Pregunta


How can I create a geometry in PDE toolbox to include entrance/exit plumbing with a packed column between?
I am attempting to model flow through a packed bed using the PDE toolbox. I am having a hard time with the geometry. I would l...

casi 11 años hace | 0 respuestas | 0

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Anyone have ideas on how to incorporate heat of reaction release into the 2d heat equation?
My system is a semi-solid (assume solid) body which starts out at T0 (temperature). Three sides of the solid are open to ambien...

casi 11 años hace | 0 respuestas | 0

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