# Greg

### Gulfstream Aerospace

Professional Interests: Aerodynamics

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Solved

Sum all integers from 1 to 2^n

Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

4 years ago

removing ticks

I realize this is a pretty old thread, but I think I've figured out what might have been causing a lot of the confusion in there...

6 years ago | 1

Question

MATLAB Coder "Style" Options when Generating .mex-File

When using the MATLAB Coder to create a .mex-file, the "Code Style" settings in the GUI settings menu are not available. They o...

7 years ago | 1 answer | 0

### 1

answerQuestion

Simulink.BlockDiagram.getInitialStates and Configuration Set References

Does setting up a Simulink model to use a configuration set completely preclude the possibility of using |Simulink.BlockDiagram....

7 years ago | 0 answers | 1

### 0

answersQuestion

Variable-Sized Output from MATLAB Function block

I'm trying to create a MATLAB Function block with a variable-sized output in a Simulink model (R2014A and R2013B). All that's...

7 years ago | 3 answers | 0

### 3

answersQuestion

Can a Bus be Used as an Input to a MATLAB System Block?

I'm playing with the new (R2013b) Simulink "MATLAB System" block, but I can't seem to find any way to connect Bus object inputs ...

8 years ago | 1 answer | 0

### 1

answerQuestion

MATLAB Function Blocks with Large Data Structures

I'm building a Simulink model using MATLAB Function Blocks to run some fairly large, complicated functions (the biggest are ~500...

8 years ago | 0 answers | 0

### 0

answersQuestion

States Not Visible in Coder-Generated S-Function Blocks

I'm trying to use the Simulink coder to codegen a fairly complex model into an S-Function block in order to improve the performa...

8 years ago | 0 answers | 0

### 0

answersQuestion

Accessing the State of a Simulink Memory Block

Is it impossible to get/set the state of a Memory block in a Simulink model? When I create the simplest possible model with a M...

8 years ago | 1 answer | 0

### 1

answerQuestion

Using Simulink Coder-Generated Shared Object Libraries Inside MATLAB

Is it possible to create a shared object library (.dll or .so file) with the Simulink Coder toolbox (specifically the ert_shrlib...

8 years ago | 0 answers | 0

### 0

answersQuestion

Converting a Nonvirtual Bus to Another Bus Type

In a model, I have a very large data bus (~600 signals) and I want to take a selection of the signals on that bus (~200 signals)...

8 years ago | 0 answers | 0

### 0

answersQuestion

Can I Define Bus Objects in Model Workspaces?

Is it completely impossible to define Simulink.Bus objects in any workspace other than the base Matlab workspace? I'm working o...

8 years ago | 1 answer | 1

### 1

answerQuestion

Simulink Performance of Large Numbers of Outports

I'm building a Simulink model that's going to be a referenced as a Reference Model inside a larger simulation. The only functio...

8 years ago | 0 answers | 0

### 0

answersQuestion

Simulink Compiler Errors and Compiler Selection

Hi, I'm trying to compile and run Simulink models on a 32-bit Windows machine which I already know run just fine on a 64-bit ...

8 years ago | 0 answers | 0

### 0

answersSolved

Generate a NaN...on purpose

The goal is to create a function that will return a single "NaN" without using the nan function. I am interested to see how many...

9 years ago

Question

How to Programmatically Disable the "Tunable" Option for a Matlab Funcion Block Parameter

I'm trying to use a script to build a Simulink model with a "Matlab Function Block" in it. The method <http://www.mathworks.com...

9 years ago | 1 answer | 0

### 1

answerQuestion

Inability to clear object definition - nonfunctional "clear classes"

I'm having an issues with a class that I've written. The class is a subclass of another class which is itself a handle class. ...

9 years ago | 3 answers | 3

### 3

answersQuestion

Codegen and the "find" Function

I'm writing a piece of Matlab code that will be used in a Simulink "Matlab Function" block, meaning that it will get run through...

9 years ago | 1 answer | 0

### 1

answerAccessing Non-Scalar Arrays with ceval

Apparently the above code would actually work OK if size_t were a 32-bit integer (which I had assumed it was). On my 64-bit lin...

9 years ago | 0

| accepted

Question

Matlab Coder and the uint64 size_t

I've been trying to write some Matlab Coder code that needs a bunch of coder.ceval calls to functions in mat.h and mex.h. I've ...

9 years ago | 1 answer | 0

### 1

answerQuestion

Accessing Non-Scalar Arrays with ceval

Hi, I'm trying to use the Matlab "mat" and "mx" C-libraries to use .mat-files inside of a Matlab function I'm compiling with ...

9 years ago | 1 answer | 0

### 1

answerLoading Files into Codegen Files

I've tried running code identical to what you had there, and I can't get it to compile. (I think it does successfully codegen, ...

9 years ago | 0

Question

Loading Files into Codegen Files

Is there any good way to load data from files (hopefully MAT-files) into a Matlab function that will be going through the Matlab...

10 years ago | 4 answers | 0

### 4

answersQuestion

gpuDevice Crashing Matlab

I'm try to get up and running with GPU computing through the Parallel Computing Toolbox, but I'm having trouble getting the tool...

10 years ago | 2 answers | 0

### 2

answersSolved

Filter AC, pass DC

Input x is the sampled signal vector, may have both AC and DC components. Output vector y should not contain any AC component. ...

10 years ago

Solved

Reverse the vector

Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

10 years ago

Solved

Remove DC

Input x is the sampled signal vector, may have both AC and DC components. Output y should not contain any DC component. Examp...

10 years ago

Solved

All capital?

Are all the letters in the input string capital letters? Examples: 'MNOP' -> 1 'MN0P' -> 0

10 years ago

Solved

Binary numbers

Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

10 years ago