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David Kusnirak


Last seen: 3 years 前 |  自 2012 起处于活动状态

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统计学

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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...

6 years 前 | 1 个回答 | 0

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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...

11 years 前 | 3 个回答 | 0

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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...

11 years 前 | 1 个回答 | 0

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How 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.

11 years 前 | 0

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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...

11 years 前 | 1 个回答 | 0

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How 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...

11 years 前 | 0

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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...

11 years 前 | 1 个回答 | 0

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discrete 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...

12 years 前 | 0

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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...

12 years 前 | 0

提问


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...

12 years 前 | 4 个回答 | 0

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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...

12 years 前 | 1 个回答 | 0

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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); ...

12 years 前 | 3 个回答 | 0

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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...

13 years 前 | 0 个回答 | 0

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