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Question

Cosine/Sine polynomial summation: Ordinary sum vs. Clenshaw summation

Hi all, I'm interested in knowing whether it is advantageous, specifically in matlab, to sum a cosine/sine polynomial using t...

10 years ago | 0 answers | 0

### 0

answersQuestion

TriScatteredInterp - Edge constraints for periodic data?

Hello, I try to perform an interpolation on 3D scattered data (data that is gathered on a 3D irregular mesh grid) to a regula...

11 years ago | 0 answers | 0

### 0

answersSolved

Make the vector [1 2 3 4 5 6 7 8 9 10]

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

11 years ago

Solved

Determine if input is odd

Given the input n, return true if n is odd or false if n is even.

11 years ago

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

11 years ago

Finding multiple values in matrix

Hi, 'Logical indexing' (<http://www.mathworks.nl/help/matlab/math/matrix-indexing.html#bq7egb6-1>) and 'sum() or mean()' shou...

11 years ago | 0

Out of memory at the end of simulation

Hi Peter, Do you run the 32-bit or 64-bit version of matlab? You can check the maximum allowed memory that you can adress on ...

11 years ago | 0

Question

Scaled spherical bessel functions

Hi all, Does anyone know about routines that compute - preferably scaled - spherical bessel functions of the first and second...

11 years ago | 1 answer | 0

### 1

answerQuestion

Using parfor on a single quad-core?

Hi all, Does anyone have an idea whether its advantageous to use a parforloop on a single quadcore? I have some code that cal...

12 years ago | 0 answers | 0

### 0

answersAborting callback execution in GUI - Drawnow error

Thanks for this example! This works indeed. I was thinking of using try catch because one iteration takes a long time (due to a...

12 years ago | 0

Question

Aborting callback execution in GUI - Drawnow error

Hi all, I'm working on a GUI, where I have one task that is very computationally intensive. Therefore I want to add a button ...

12 years ago | 2 answers | 0

### 2

answersQuestion

Solving a linear but ill-posed linear system

Hi, I encountered some numerical problem. I Have a simple exact linear system looking like this: [9.8117e-9 - 3.5...

12 years ago | 0 answers | 0

### 0

answersOptimizing computing double integrals by elementwise matrix operations

Hi, As far as I've tried, using integral2 does not solve to problem. As I suspected you can't input a matrix to the function....

12 years ago | 0

Question

Optimizing computing double integrals by elementwise matrix operations

Hi all, I wrote my own function to calculate the double integral of a function, here referred to as 'fun(x,y)' between the bo...

12 years ago | 2 answers | 0