Mike Hosea
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Codegen fails with "wrong number of input arguments" while function calls without error
I can't find where this behavior of INTERPN is documented. To the contrary, we have: >> help interpn interpn N-D inte...
2 years 前 | 0
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Matlab Coder Error: The output of the ODE function must be a column vector
I have to admit the problem here is pretty hard to diagnose. The problem actually traces back to the definitions of A and B: [...
2 years 前 | 0
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medfilt1 medifilt2 or movmedian
Long ago there was only medfilt1 and no movmedian. Then there was both. Now medfilt1 calls movmedian. That fact severely limi...
2 years 前 | 1
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Is there any other way to use coder for accumarray() ?
Not in 18b, I think. Support for accumarray was added in 19a, if memory serves.
5 years 前 | 1
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EIG incorrect for large matrices when compiled into C on speedgoat target computer
Bit difficult to debug from here. Is your code calling the initialize and terminate functions for the library you are generatin...
5 years 前 | 0
ERROR: floating constant is out of range
That number is well within the range of IEEE double precision floating point numbers, but the TI TMS320F28379D has native 32bit ...
5 years 前 | 1
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How can I translate matlab functions to C/C++ void functions using codegen?
The code generator is usually smart enough to detect when computations have no side effects and have no impact on return values....
5 years 前 | 2
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what is the significance of 3.3121686421112381E-170 ?
Walter is on the right track. What we see above is essentually a loop-unrolled version of the reference BLAS algorithm of DNRM2...
5 years 前 | 2
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How can compile in C/C++ the lpc funciton ?
Extrinsic calls can work only when the target is mex or one is simulating in Simulink. This is because extrinsic calls are call...
6 years 前 | 0
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Coder, randsample: Variable 'edges' is not fully defined on some execution paths.
This is a bug in the code generation version of RANDSAMPLE. The compiler is complaining about a situation that it really doesn'...
6 years 前 | 0
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Multiple calls to interpn using same vectors
Unfortunately, there will be a separate look-up for each call. The only thing I can think of is to find the bounding box yourse...
6 years 前 | 1
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how use Curve Fitting functions in Matlab coder?
I'm not sure what you need. MATLAB Coder does support the SPLINE, PCHIP, and PPVAL. I don't know that much about what C libr...
7 years 前 | 0
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How can I calculate this triple integral when I have a rotated euler matrix. All that is attached in the file,
INTEGRAL3 does not support integrating a matrix of functions. For example, suppose you wanted to integrate f = @(x,y,z)[co...
9 years 前 | 0
Why i have this errors in my triple integral ? change numeric methods ?
Well, theoretically like this: ss=0.6; T=0.1; a = 0.0001; f2 = @(r,b,g) 1./(r.^2.*sqrt(1 - (b./r).^2 - (g^-2)*...
9 years 前 | 0
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how can I solve a triple integral (x,y,z) with y not defined
Your integrand will be evaluated at an array of points each time (not just with one x, y, and z!), so it must return an array of...
9 years 前 | 0
Matlab R2015a coder error:Dimension 1 is fixed on the left-hand side but varies on the right ([1024 x 1] ~= [:? x 1]).
Use coder.varsize to create a variable-size copy of the Phi input. Rename the Phi input to something like PhiInput and just bef...
9 years 前 | 2
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Generating c++ Code from *.slx
I'm not in sales, so I could be out-of-date in my recollection of how the product catalog is built, but my understanding is that...
9 years 前 | 0
randn() function generates the same sequence whenever I called it.
Every time you start MATLAB it will deliver the same sequence if you don't provide your own seed first. Your generated code mus...
9 years 前 | 1
simulink matlab function block error
You need to tell the compiler what the output of lqr will look like. Kr = zeros(1,2); % Define the output type for the extr...
9 years 前 | 3
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Run ANY matlab Function.m from simulink simulation
If you just want to run it from Simulink, just call _your_ function as extrinsic. For example if your function is called myfun(...
9 years 前 | 1
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Matlab Coder : Error using interpolation function interp1(x,y,z,'spline');
This all works fine for me. I just tried it in 15a. INTERP1 doesn't need to do anything fancy to figure out the _size_ of the ...
9 years 前 | 0
Anyone know where to begin truing to solve an nth order integral? (n up to 10)
There's a good reason why there's no integraln function. There's a function called integralN on the file exchange that goes up ...
9 years 前 | 0
How can I shrink the time of getting the results please?
That code never gave you results because it isn't working--there is a syntax error. Specific suggestions are therefore hard to ...
9 years 前 | 0
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triple integral of parametrized function
Something like this? psf = @(x,y,z)exp(-2*(x.^2+y.^2)-2*z.^2); fun1 = @(k,e,x,y,z)((e.*psf(x,y,z)).^k).*exp(-e.*psf(x,y,...
9 years 前 | 1
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A and B must be floating-point scalars.
>> help integral integral Numerically evaluate integral. Q = integral(FUN,A,B) approximates the integral of functi...
9 years 前 | 0
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Why does integral2 function changes the array size of variable over which integration is performed?
The iterated mode uses adaptive quadrature in each dimension, though your integrand function will, in a sense, be aware of only ...
9 years 前 | 1
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Inner matrix dimensions must agree.
You wrote I =@(x) U(x)*H(x)*D(x); That is probably not right. The * operator is _matrix_ multiplication. You probably...
9 years 前 | 1
İntegral with array boundaries Need help
I've answered this question in a follow-up comment on the other question. It will work, but you have to debug your code. You w...
9 years 前 | 0
synchronization of matlab function blocks
The MATLAB Function Block can return arrays. The problem with your code is probably just that you can't return the *persistent*...
9 years 前 | 0
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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 前 | 0