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MATLAB Coder - How to use "save" command
Unfortunately, the SAVE command is not supported for code generation, and it doesn't make sense to call it as an extrinsic funct...

9 years ago | 0

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how to integrate over array boundaries
Two steps to set it up. First make it work with a scalar x: >> Qscalarx = @(x)integral(@(y)(y - x).^2,0,x); Now vector...

9 years ago | 1

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closed contour complex integral
MTIMES is matrix multiplication. The functional notation is mtimes(A,B), but the operator notation for matrix multiplication is...

9 years ago | 0

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How to do a double integral on a function with 3 variables, so the answer is dependent on the 3 variable
Not sure what your problem with INTEGRAL2 was, but you're using matrix multiplication in your definition of FUN, which probably ...

9 years ago | 0

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Answered
How to do a double integration of a multivariate normal probability density function
If you have the statistic toolbox, you'll want to use MVNCDF for a multivariate normal distribution. However, in case not every...

9 years ago | 1

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Answered
Speeding up integral3 command is taking too long to execute
These two articles might help. http://blogs.mathworks.com/loren/category/integration/ Try different variable orderings. M...

9 years ago | 0

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Integrating small valued functions
Could you try this and tell me what values of m, s, and n lead to unexpected results? I added some waypoints near the center of...

10 years ago | 1

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Answered
HYDRODYNAMIC FORCES (SIMULINK/MATLAB)
I don't seem to be having any difficulty integrating this problem with the parameter values that I make up. What are the values...

10 years ago | 0

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how to find volume using integral
You can't do that with INTEGRAL. The integral functions are for integrating functions, not data. A set of coordinates in 3-D s...

10 years ago | 1

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4D integration numerical evaluation
Well, you can try integralN from the file exchange. I wrote that little ditty just so I wouldn't have to keep explaining the nu...

10 years ago | 3

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Answered
How to do a Numerical Integration of an Array Valued Function Handle with an Array as a limit?
I'm not sure it helps anything, but you don't need global variables for that. Instead, make f a function of both t and theta_s,...

10 years ago | 0

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Answered
I'm trying to do numerical integration on Matlab, but keep getting error
If you were to evaluate f(g(x),b), then MATLAB would first calculate y = g(x) and then evaluate f(y,b). Your main problem here ...

10 years ago | 1

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Answered
Symbolic integration vs numerical integration
It's likely to be quite slow, but it may be possible to take this on numerically. For performance reasons MATLAB insists that i...

10 years ago | 2

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How do I refine my integration?
I don't disagree with John at all, but here are some things that come to mind that you might do to either lend credence to, or t...

10 years ago | 0

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Matlab gave wrong answer while Mathematica gave true answers, why?
I don't see where you checked any of the answers in a valid way. To check MATLAB's answer, you severely rounded it first and th...

10 years ago | 2

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Answered
How to do numerical multiple integral (more than triple) by using matlab?
You can use INT if your problem can be handled symbolically. If not, numerical integration of a 5-fold integral in MATLAB requi...

10 years ago | 4

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Questions with integral2 , Double, Syms and Dot calucations.
The problem is that out1 is a symbolic "thing", not a MATLAB "thing". That's what the error message is really telling you. You...

10 years ago | 2

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how to read a table created in matlab by taking integral calculations ?
I think what you might be missing is that FIND is returning an index, so the eta value you seek is eta(F12_p). But I didn't rea...

10 years ago | 0

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Answered
Definite integral in (embedded) Matlab function, with passing additional parameters to the integrand
If you don't need to generate code for your model, I think you can use your second approach, but you need to fix a few unrelated...

10 years ago | 2

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How to integrate over a bivariate gaussian copula using copulapdf?
Before you call integral2, make sure your JointDensity2 function satisfies the vectorization requirement. x = rand(2,3); % ...

10 years ago | 0

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Problem with quad2d integration
Is there a typo somewhere above? Here's a script I called "doit.m": format short g fun = @(b,a) (b ./a).^19.* exp(-(43...

10 years ago | 1

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matlab triple integral conical gravity
Numerical stuff removed since a symbolic answer was needed.

10 years ago | 0

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How to remove singularity of quadl in which integrand is hankel function
QUADL is obsolete. You haven't supplied any values for k0 and L. Please provide just one value for each of the following input...

10 years ago | 1

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Answered
numerically integrate multidimensional function along one dimension.
I will assume here that your function f(x,y,z) is written so that x, y, and z can be any size (vectors, matrices, N-D, whatever)...

10 years ago | 0

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Embedded MATLAB Function and Anonymous function
If you want to call an interpreted MATLAB function from a MATLAB function block, do not try to create the function inside the bl...

10 years ago | 1

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Error using .* Matrix dimensions must agree.
The size of af is the image size. The size of c is 256-by-256. I'm guessing your image is not 256-by-256. If not, what were y...

10 years ago | 0

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Help solving for and/or while loop.
In my view this is mostly a software design issue. You probably don't see how to do it because of the way your code is organized...

10 years ago | 0

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Numerical Integration Is my approach correct?
Well, on first reading, I just wanted to make what you wrote work, and you will find some help below on that, but on the second ...

10 years ago | 0

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How to integrate using while loop?
I'm assuming this is homework. Let me give you a couple of hints. 1. You can make a function like this q = @(b)integral...

10 years ago | 2

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Answered
How to get an output off a vectorized function? Error : Subscript indices must either be real positive integers or logicals
You have not defined Mxz as a function, rather as an array, so Mxz(0.2) asks for the 0.2th element of the array. The syntax you...

10 years ago | 1