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factorization of Multivariate polynomial
This is a bit of a hack of course, since factor seemingly should have solved the problem with the appropriate setting. The probl...

3 years ago | 0

Answered
I'd like to skip the file that's not there and bring it up!
mat rap? Is that some godawful new song I've never heard before? ;-) That just seems, well, raprehensible to me. You don't want...

3 years ago | 0

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Answered
Most efficient way of looking up values in an array.
It hurts my head to see this ordering: (y1, x2, y2 and x1). Sigh. Why? Whatever floats your boat, I guess. I would not be usin...

3 years ago | 0

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matlab some polyfit problem
It is NOT abnormal. It is perfectly normal, and, in fact, perfectly correct. And the scaling is actually a valuable tool, when n...

3 years ago | 0

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how to use big prime in meshgrid
Pick some random integer X, less than p. You will need to use some tool capable of working with large integers, greater than the...

3 years ago | 1

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Answered
Find column number for every row in matrix
Simple. One line. A = randi([-5,5],[10,7]) [~,col] = max(A > 0,[],2) Why does it work? A > 0 returns an array that is true (1...

3 years ago | 0

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Does the eig() function return normalize eigen vector (unit length)?
Yes. V is normalized to have unit 2-norm, at least in common cases. Surely you could have checked that? A = magic(5); [V,D] = ...

3 years ago | 0

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How to change the independent variable?
plot(x,f)

3 years ago | 0

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Solving differential equation in series general solution
I just showed you how to solve the problem, for two unknown constants. Of course, your question here involves an initial value a...

3 years ago | 0

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How to solve differential equation of series general solution
Assuming I typed in that line correctly... syms y(x) S = dsolve(8*x^2*diff(y,2)+10*x*diff(y)+(x-1)*y==0,'ExpansionPoint',0, 'O...

3 years ago | 1

Answered
Inquiry about Neural Network Structure for Lane Keeping Assist Example
Answers is not the MATLAB support team. Answers is purely volunteer supported. We have no acess to the information you would wan...

3 years ago | 0

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Simple loop with equation problem
Looking at your code... Learn to use semi-colons at the end of your lines. This avoids crap being dumped into the command windo...

3 years ago | 0

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How to plot ellipse using contour function?
I'm a little confused. You DID draw ellipses. It seems the goal was not to draw the ellipses you drew though. Essentially, as yo...

3 years ago | 0

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Problems accepting integer values with power and algebraic symbols using inputdlg
You could just learn to use the standard scientific notation. So 123e4, which represents 123*10^4. 123e4 Or, you could see tha...

3 years ago | 0

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Answered
не удалось получить пробную версию
I would advise you to contact customer service. Answers is not an official line to The MathWorks, so we cannot tell you what is ...

3 years ago | 0

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Go on my Nationale Education license after the Easter holidays
(I removed your license number from your question.) Regardless, Answers is not official customer support. Answers is just a foru...

3 years ago | 0

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What is the complexity of intlinprog
This is a question with seemingly no answer as posed. Why not? Because intlinprog will use many different methods, depending on ...

3 years ago | 0

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Solving for Variables contained an interval
syms x y = (sin(x) * (2* cos(x) - 1)) / (1 + 2 * cos(x)); xsol = solve(y == 0) There are only three primary solutions. xso...

3 years ago | 0

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I have to perform integration of very large equation in Loop
Should every possible expression you write down, long, or short, have an analytical integral? int seems to be unable to do so. O...

3 years ago | 1

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Using a variable shift to match up odd and even rows that are displaced within an image.
Many unclear things here. Ok, its mostly your image that to me was unclear. :) But then, I need new eyeglasses. Seriously, I se...

3 years ago | 1

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page-wise matrix determinant or eigenvalues
@Henry Brinkerhoff seems to have found a semi-viable solution, in the form of pagesvd. It will be valid, within a factor of -1. ...

3 years ago | 0

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Finding linear combination of two vectors such as every element is positive
Hmm. Is this homework? I wonder, but I have learned not to trust that students won't post homework, and this is a cute problem. ...

3 years ago | 1

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z=f(x,y) and w=f(x,y). I am trying to reverse the table to get x=f(z,w) and y=f(z,w).
In general, this is often impossible. That is so for good reasons too. The problem is, IF you have any instances where the resp...

3 years ago | 1

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Is it possible to access the software after annual license expire?
It is not clear what RoadRunner is or what it does. If you don't have a valid (current) MATLAB license, then you cannot "use" a...

3 years ago | 1

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Answered
Force coefficients in multivariate and multiple regression
There has been much unsaid here that I think you don't understand. Given these models: u = p*q^4*x/y v = p*q^3*x*y wher...

3 years ago | 0

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solving 4 equations with 4 unknowns
Because there are two solutions. For example, how many solutions would you expect to see for the problem syms x xsol = solve(...

3 years ago | 1

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How to create a random signal with desired frequency?
This seems simple enough. Create the signal, at the dominant frequency. That is just going to be a sine wave. Surely you can do...

3 years ago | 0

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Answered
i am studing the course "introduction to image processing through coursera platform, i updated the course dead lines however the matlab expired, i ask you help to getaccesback
I'm sorry, but there is nothing we can do. Answers is not MathWorks customer service. You should contact the provider of the co...

3 years ago | 0

Answered
Does dsolve benefit from multiple cores?
In general, no. No tools in the symbolic toolbox that I know of are currently set up to employ multiple cores. I might have miss...

3 years ago | 2

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Answered
Left division with partially known coefficient
If you have this relation, y=0.5*x/(d*K)+x^2/(d*K)^2 where d is known but K unknown, then write it as: y = (0.5/d)*(x/...

3 years ago | 0