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3D surface triangulation

What is the problem? Just delete any triangles with edges that are long. Since the CRUST code will span that hole, any triangles...

3D surface triangulation

What is the problem? Just delete any triangles with edges that are long. Since the CRUST code will span that hole, any triangles...

23 jours il y a | 0

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How to obtain curve fitting tool startpoints using code? Replicate Curve Fitter Toolbox

I'm sorry, but there is no magic. If you do not supply start points, then fit uses random numbers. This actually has SOME amount...

How to obtain curve fitting tool startpoints using code? Replicate Curve Fitter Toolbox

I'm sorry, but there is no magic. If you do not supply start points, then fit uses random numbers. This actually has SOME amount...

23 jours il y a | 0

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When does an anonymous function reach a specified value?

Since you do not provide a value for a, there is no numerical solution possible. However, as long as the function is a simple ...

When does an anonymous function reach a specified value?

Since you do not provide a value for a, there is no numerical solution possible. However, as long as the function is a simple ...

23 jours il y a | 1

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How to define partial fraction expansion?

You already know about the existence of the function residue.m. Therefore your question is truly to "explain the development" ...

How to define partial fraction expansion?

You already know about the existence of the function residue.m. Therefore your question is truly to "explain the development" ...

23 jours il y a | 0

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Determine adjacent points in a logical matrix

Trivial. Learn to think in terms of MATLAB operations. I've added another 1 in there, just to make it clear what the problem is....

Determine adjacent points in a logical matrix

Trivial. Learn to think in terms of MATLAB operations. I've added another 1 in there, just to make it clear what the problem is....

24 jours il y a | 0

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How to automatically find the function that linearizes another function.

If, given the function f(x), your problem is simply to find a new function g(x), such that f(x)*g(x) is linear, then it is absol...

How to automatically find the function that linearizes another function.

If, given the function f(x), your problem is simply to find a new function g(x), such that f(x)*g(x) is linear, then it is absol...

24 jours il y a | 0

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Attempt to execute SCRIPT interp2 as a function:

Did you mistakenly edit interp2, and then save it, after deleting the function header? Are you POSITIVE there is no script by ...

Attempt to execute SCRIPT interp2 as a function:

Did you mistakenly edit interp2, and then save it, after deleting the function header? Are you POSITIVE there is no script by ...

27 jours il y a | 0

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Replacing segmented equations within equation with variables

Literally trivial. For example... syms x y z EQ = y/x + sin(x^2/y^2) simplify(subs(EQ,x,y*z))

Replacing segmented equations within equation with variables

Literally trivial. For example... syms x y z EQ = y/x + sin(x^2/y^2) simplify(subs(EQ,x,y*z))

29 jours il y a | 0

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fit accuracy using custom equation

First, the model you show is not even a valid expression. The parens don't match up. y=a*log(1+exp(x/b))-c) 2 left parens,...

fit accuracy using custom equation

First, the model you show is not even a valid expression. The parens don't match up. y=a*log(1+exp(x/b))-c) 2 left parens,...

29 jours il y a | 0

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I do not understand exit message given by lsqnonlin,

Note that when you have problems that are more than just bounded variables, so any other set of constraints, then it appears lsq...

I do not understand exit message given by lsqnonlin,

Note that when you have problems that are more than just bounded variables, so any other set of constraints, then it appears lsq...

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Getting imaginary values as solutions to equations using solve function

P_l=50; v=0.1; k=15; Tm=1375; T0=300; alpha=3.75*10^(-6); E= 190*10^9; h= 100*10^9; G= 150*10^9; nu=0.3; psi= 1- exp(-...

Getting imaginary values as solutions to equations using solve function

P_l=50; v=0.1; k=15; Tm=1375; T0=300; alpha=3.75*10^(-6); E= 190*10^9; h= 100*10^9; G= 150*10^9; nu=0.3; psi= 1- exp(-...

environ un mois il y a | 0

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I am struggling with integrating a function.

Don't use inline functions. They are slow, inefficient things, introduced long ago, in a galaxy far, far away. Instead use funct...

I am struggling with integrating a function.

Don't use inline functions. They are slow, inefficient things, introduced long ago, in a galaxy far, far away. Instead use funct...

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Finding the first 1 in a binary set using optimization

If V is given, then find(V,1) is perfect, and it will not be improved upon. And you say that V is given! So what is your questio...

Finding the first 1 in a binary set using optimization

If V is given, then find(V,1) is perfect, and it will not be improved upon. And you say that V is given! So what is your questio...

environ un mois il y a | 0

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computational complexity of svds

Sorry, but no, we can't tell you why a choice was made. MathWorks does not give out that information. You MIGHT be able to lear...

computational complexity of svds

Sorry, but no, we can't tell you why a choice was made. MathWorks does not give out that information. You MIGHT be able to lear...

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Numbers prediction using advanced matlab code

A neural net will use a random start point in the training. Start from a different set of parameters for the net, and you will g...

Numbers prediction using advanced matlab code

A neural net will use a random start point in the training. Start from a different set of parameters for the net, and you will g...

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Kindly help me understand this code, it is a user defined function for multiplying two polynomials

I'm sorry, but that code is complete crapola. Better code might look something like that below. Test it out. p1 = [2 5 3]; p2...

Kindly help me understand this code, it is a user defined function for multiplying two polynomials

I'm sorry, but that code is complete crapola. Better code might look something like that below. Test it out. p1 = [2 5 3]; p2...

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Interpolation between 3D data sets. Neural Networks or Other Methods?

What is the "best" method? Impossible to say. To know what defines best, we would need to know EXACTLY what your requirements a...

Interpolation between 3D data sets. Neural Networks or Other Methods?

What is the "best" method? Impossible to say. To know what defines best, we would need to know EXACTLY what your requirements a...

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elements >0 are present in matrix only once

Count the number of non-zero unique elements. Count the number of non-zero elements. Are those two numbers the same? In either...

elements >0 are present in matrix only once

Count the number of non-zero unique elements. Count the number of non-zero elements. Are those two numbers the same? In either...

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How to make contour smooth

As others have pointed out, you don't want to try to make the contours smooth AFTER the fact. Instead you want to smooth the sur...

How to make contour smooth

As others have pointed out, you don't want to try to make the contours smooth AFTER the fact. Instead you want to smooth the sur...

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Creating AlphaShape from triangulation dataset

Is there any way? Trivially, yes. Ok, maybe trivial is in the eyes of the writer. I can say this because I have written both 2d ...

Creating AlphaShape from triangulation dataset

Is there any way? Trivially, yes. Ok, maybe trivial is in the eyes of the writer. I can say this because I have written both 2d ...

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Is it possible to constrain a polynomial fit in MATLAB so that the resulting fit is rotationally symmetric?

No. It is not directly possible to do so, that is, to force the fit to be rotationally symmetric for a general polynomial. Howev...

Is it possible to constrain a polynomial fit in MATLAB so that the resulting fit is rotationally symmetric?

No. It is not directly possible to do so, that is, to force the fit to be rotationally symmetric for a general polynomial. Howev...

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How to split a irregular polgon into different parts having specific area for each part?

There is no magical, trivial solution, based on a single call to any function. Why would someone write that anyway? But it woul...

How to split a irregular polgon into different parts having specific area for each part?

There is no magical, trivial solution, based on a single call to any function. Why would someone write that anyway? But it woul...

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Solving a system of equations using Symbolic Matlab

You CANNOT use fsolve, though you said you tried it. This is not a numerical problem, but a symbolic one. t is an unknown there....

Solving a system of equations using Symbolic Matlab

You CANNOT use fsolve, though you said you tried it. This is not a numerical problem, but a symbolic one. t is an unknown there....

environ un mois il y a | 1

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very similar dataset and yet 'TRAPZ' function gives very different answers

"Very" different? "VERY"? Lets be serious. xy1 = [1.43155281315397 0.00255865851191916 1.35675838019809 0.0145131910703132 1....

very similar dataset and yet 'TRAPZ' function gives very different answers

"Very" different? "VERY"? Lets be serious. xy1 = [1.43155281315397 0.00255865851191916 1.35675838019809 0.0145131910703132 1....

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How would I perform a weighted least-squares regression analysis with x and y error?

Let me see what I can explain. (I think some have missed the point of your question.) These problems are always simpler than yo...

How would I perform a weighted least-squares regression analysis with x and y error?

Let me see what I can explain. (I think some have missed the point of your question.) These problems are always simpler than yo...

environ un mois il y a | 1

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why does conv2 increase z height?

Easier to just see what is happening with a 1-d problem. First, some data. t = linspace(0,10,200); y0 = sin(t); % about as sim...

why does conv2 increase z height?

Easier to just see what is happening with a 1-d problem. First, some data. t = linspace(0,10,200); y0 = sin(t); % about as sim...

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please complete the time series code

It looks complete to me. What do we see? We see uncommented, virtually undocumented code, that does something we are not told ab...

please complete the time series code

It looks complete to me. What do we see? We see uncommented, virtually undocumented code, that does something we are not told ab...

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Plotting variables from an implicit function

fimplicit plots the lines where your function is ZERO in that region. Is it ever zero? Probably not. dmin=0.2; fs=250e3; Vo=40;...

Plotting variables from an implicit function

fimplicit plots the lines where your function is ZERO in that region. Is it ever zero? Probably not. dmin=0.2; fs=250e3; Vo=40;...

environ 2 mois il y a | 0

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Apparent distance conservation in Matlab plot window while rotating 3D objects

I'm confused. If you plot two things in 3-d, you change the view using the function view. But OF COURSE things change when you ...

Apparent distance conservation in Matlab plot window while rotating 3D objects

I'm confused. If you plot two things in 3-d, you change the view using the function view. But OF COURSE things change when you ...

environ 2 mois il y a | 0

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Generate random integers that sums to a specific number within a specific range

I had to put in my 2 cents here. I saw @Matt J and @Bruno Luong both claim uniformity, or at least close to approximate uniformi...

Generate random integers that sums to a specific number within a specific range

I had to put in my 2 cents here. I saw @Matt J and @Bruno Luong both claim uniformity, or at least close to approximate uniformi...

environ 2 mois il y a | 1