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Sum of Cells next to a String
% creating sample data data={'VLGMC', 1, 'DLG', 4, 'a', 7; ... 'VLGMC', 2, 'c', 5, 'a', 8; ... 'b',...

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Could fsolve cause trouble when using it to solve linear equations?
Yes, you can, but if you have linear system of equations you have much better and optimized function for system of linear equati...

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Create variable from cell array based on strings
Var1={'A',6; ... 'B',7; ... 'B',7; ... 'A',8; ... 'C',10; ... 'A',9; ... ...

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matrix to vector matrix ?
a = [111 ,101, 100]; num2str(a,'%d') ans = 111101100

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How to minimize a parameter in a differential equation
Here is the outline of the code for objective function objectiveFunction (Conductivity) -- Use the above code you mentio...

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Pregunta

possible Bug? or checking if OverFlow happened?
I have a matrix of size (6472908 x 67) all single values. Different columns have different max/min (there are different variable...

casi 11 años hace | 3 respuestas | 0

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Speed up stepwise averaging
if the indeces in the index variable are like your example next to each other you can take advantage of that. Here is the timing...

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Pregunta

GA Ignores Initial Population and Initial Scores
I am trying to optimize a function which accepts over 1300 parameters, (all integers between 1 and 13). The output is a score wh...

casi 11 años hace | 1 respuesta | 0

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Respondida
Plots of Savitzky-Golay
do it like this plot(x(1:length(SG0)),y(1:length(SG0))','k','LineWidth',2.5); hold on plot(x(1:length(SG0)),SG0','r',...

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how to divide image into 16 block ?
Have you checked <http://www.mathworks.com/help/images/ref/im2col.html im2col()>? Let's say you want to divide your image i...

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How to collect coefficients of the same powers?
check if <http://www.mathworks.com/help/symbolic/collect.html collect()> works for you.

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How can i implement the NN algorithm ?
*Some code like this would do the job:* %% Loading data load('wine.data'); % first column stores the wine class...

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what is the difference between one backslash (\) and double backslashes (\\) when defining a path?
that's how on windows machine the server is defined. \\servername\shared_resource\subfolder_on_that\sub_sub_folder_in_that\an...

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how to convert 8x8 matrix into image?
do the inverse dct or <http://www.mathworks.com/help/signal/ref/idct.html idct()>.

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How to normalize curves such that area under curve=1?
divide all numbers by the area that you calculate using Trapz. x=0:0.1:pi; y=sin(x); Area=trapz(x,y) Area = ...

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How is this written?
x=2; y= sin(2*x)/5 + sin(x).^2 - 2*sin(x).*cos(x);

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How to divide a long vector into several vectors of known length
IDX = [1 2 1 3 4 3 1 2 1 35 4 2 78]; a = {[3 2 2 1 2] [2 1 2 2] [1 2 3 4]}; % first get the numel(a{k}) as a ve...

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how can i read multiple images from a folder?
If you have Computer Vision Toolbox you can use <http://www.mathworks.com/help/vision/ref/imageset-class.html imageset()>. If...

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INSTALLLATION KEY and LICENSE KEY
Ask the administrator for those. If you have purchased MATLAB on your own account refer to your account and go under manage m...

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not choosing random numbers from the range specified
Because that's not how that function is called. If you want to randomly select 10 numbers within the range of 50 and 100 this...

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Pregunta

saveas or print in EPS
Hi, I just upgraded to 2014b; While I like the new colormaps but it seems that some of the functions have changed their beha...

casi 11 años hace | 2 respuestas | 1

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Fill matrix with zeros
A: is the Fixed Sized Matrix B: is the Variable Sized Matrix A(:,1) .* [B(1:min(size(A,1),size(B,1)),1); zeros(size(A,1)...

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Fill in boundaries in Image
Ok, but the red lines is pretty much the boundary of the regions in the binary image stored in the variable called back, right? ...

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How can I delete rows from matrix in matlab?
Let's say you want to delete the r-th row from matrix A. This should work: A=A([1:r-1 r+1:end],:)

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please help me , what is color segmentation steps
Well there are multiple approaches. You could do an entire thesis on this subject. These are some of the examples: http://ww...

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What does ./ mean in matlab?
look at <http://www.mathworks.com/help/matlab/ref/rdivide.html redivide().> From MATLAB HELP: x = A./B divides each element ...

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Respondida
Stitching sub images to reconstruct full image
Again, why don't you use <http://www.mathworks.com/help/images/ref/blockproc.html blockproc()>? :D what you are asking, i.e. ...

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Pregunta

Warning when using 'Box','off' in legend and the box of the legends keeps showing!
Does any one know why the following error is generated and the box of the legend is still showing? x=0:0.1:2*pi; y1=sin(...

casi 11 años hace | 1 respuesta | 0

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Partial derivative of a matrix
For simple cases use MATLAB's <http://www.mathworks.com/help/matlab/ref/gradient.html gradient()> function. Assuming you have a ...

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Respondida
How to read ASCII grid format
Since you already have Mapping Toolbox, the easiest is to use <http://www.mathworks.com/help/map/ref/pix2latlon.html pix2latlon(...

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