David Kusnirak
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Question
Matlab COM connection using an actxserver
Hello, I'm running a Matlab script to invoke an another software (Surfer) to calculate grids from data. The code was download...
plus de 7 ans il y a | 1 réponse | 0
1
réponseQuestion
How to create Gauss noise within the interval
I have an interval with lower boundary at a = -0.005 and upper boundary b = 0.005. I need to create the Gauss white noise within...
plus de 12 ans il y a | 3 réponses | 0
3
réponsesQuestion
cell multiplication with a vector
Hi, I have a cell structure (Aa), where each cell is a square sparse matrix and I need to multiply each cell with a vector (f...
plus de 12 ans il y a | 1 réponse | 0
1
réponseHow to increase font size on MacBook Pro Retina Display 15" (Matlab 2013a)?
In the home menu find the preferences button, there you can change the font size.
presque 13 ans il y a | 0
Question
How to reduce number of loops
Hello, I have code, which assembles coefficients into large sparse matrix. My coding seems to be inefficient as I use 3 loops...
presque 13 ans il y a | 1 réponse | 0
1
réponseHow can I save my data in my editboxes to my .mat file?
Hi, if you want to get the written value in the edit box you should use save(filename, get(handles.edit1,'value')); t...
presque 13 ans il y a | 0
Question
Ax = b for a lot of different b‘s
Hello, I have a system of equation _Ax = b_, where _A_ is very large (n = 3e5 - 8e5) and sparse coefficient matrix, _b_ is so...
presque 13 ans il y a | 1 réponse | 0
1
réponsediscrete second order derivative operator for unequally spaced data
Thanks for hints. However I'm not as interested in the solution as in the operator itself, I need to know how does it look and w...
presque 13 ans il y a | 0
How can I move the position of my GUI on the screen from the default?
hi, try to change units from pixels to normalized for example set(handles.figure_main,'Units', 'normalized'); se...
presque 13 ans il y a | 0
Question
discrete second order derivative operator for unequally spaced data
Hi, I need help to obtain a discrete second order derivative operator, that could be applied on a matrix. The best way, I gue...
presque 13 ans il y a | 4 réponses | 0
4
réponsesQuestion
non linear least squares problem using BFGS
Hello, I need to find solution to a non linear least squares problem using Gauss-Newton method, however I am only able to com...
environ 13 ans il y a | 1 réponse | 0
1
réponseQuestion
curvature of a discrete function
Hello, I need to compute a curvature of a simple 2D discrete function like this one: x=1:0.5:20; y=exp(x); ...
environ 13 ans il y a | 3 réponses | 0
3
réponsesQuestion
Data transformation into polygons
Hi all, I need to transform a dataset into polygons without any free space. Using a convex hull techniques i got free space i...
presque 14 ans il y a | 1 réponse | 0
