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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',...

約11年前 | 0

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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...

約11年前 | 0

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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; ... ...

約11年前 | 0

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

約11年前 | 1

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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...

約11年前 | 0

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質問

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...

約11年前 | 3 件の回答 | 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...

約11年前 | 1

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質問

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...

11年以上前 | 1 件の回答 | 0

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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',...

11年以上前 | 1

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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...

11年以上前 | 0

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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.

11年以上前 | 0

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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...

11年以上前 | 2

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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...

11年以上前 | 1

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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()>.

11年以上前 | 0

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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 = ...

11年以上前 | 1

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

11年以上前 | 1

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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...

11年以上前 | 2

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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...

11年以上前 | 1

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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...

11年以上前 | 1

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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...

11年以上前 | 0

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質問

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...

11年以上前 | 2 件の回答 | 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)...

11年以上前 | 0

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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? ...

11年以上前 | 1

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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],:)

11年以上前 | 0

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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...

11年以上前 | 1

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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 ...

11年以上前 | 2

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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. ...

11年以上前 | 3

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質問

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(...

11年以上前 | 1 件の回答 | 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 ...

11年以上前 | 3

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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(...

11年以上前 | 3

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