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how to make spatial plot using hdf5-1.8.8 data in matlab R2009b?
It looks like 'temp' is not the right variable to use here and is used for calibration purposes. From the manual <http://122.2...

mehr als 10 Jahre vor | 0

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Creating a new variable in a loop automatically. Please help!
You can use the eval function to create such variables. However this practice is not recommended and can almost always be circum...

mehr als 10 Jahre vor | 0

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Several vectors as inputs to function
It all depends whether your function BSCall supports vector input. If it does, then just Values=BSCall(S,K,T,v,r) with ...

mehr als 10 Jahre vor | 0

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How can I substitute values in a matrix if they equal a certain value?
I hope this is what you mean: newmatrix=X1; newmatrix(X1==255)=X2(X1==255);

mehr als 10 Jahre vor | 0

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How to sort rows of a 2D array, such that all elements along a diagonal are non-zero?
For reference, here is a solution using the backtracking. The main algorithm part is around 20 lines. This is the initial s...

mehr als 10 Jahre vor | 1

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how to make a spatial plot?
Assuming your dataset are vectors, you could simply make a scatterplot scatter(longitude, latitude, 5, rain); Alternativ...

mehr als 10 Jahre vor | 1

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Can you vectorize this code?
n=3; x=meshgrid(1:n,1:n); y=x';

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formal initialisation of matrix
Answering your second question A=bsxfun(@eq,x,y');

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formal initialisation of matrix
Three alternative solutions posted here: <http://stackoverflow.com/questions/13767832/how-do-i-create-a-matrix-whose-elements...

mehr als 10 Jahre vor | 0

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how do you increment a count and repeat a code multiple times
For random numbers between 0 and 10 count1=0; count2=0; for p=1:10000 a1=round(rand(1)*10); b1=round(r...

mehr als 10 Jahre vor | 0

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Ordering a column with respect to another column.
This should do it: A=rand(50,2); [~,J]=sort(A(:,2),'descend'); A(J,1)=sort(A(:,1),'ascend'); corr(A(:,1), A(:,2) ,...

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How to make and sum up a matrix with upper diagonal direction without for-loop condition [The fastest way!]
Here is one way, which avoids making the B matrix (it directly gives the sum you want, so should be faster on large matrices) ...

mehr als 10 Jahre vor | 0

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How to Output Accurate PDF from Matlab figure
The problem with the spacing is in fact a problem of the line around the circle. Because you work on such small scales, it deter...

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How can I delete rows in a matrix where two numbers exist side-by-side?
This should do the job. If you have a huge matrix and you want it to go faster, you will need to adapt this code to build up a v...

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How to create contour plot?
First you will need to calculate your electrical field as a function of x and y, to yield a matrix. Then you can simply use mat...

mehr als 10 Jahre vor | 0

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Sort a vector according to another vector
[~,Bsort]=sort(B); %Get the order of B C=A(Bsort) C = 1 9 4 5 8

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how to count the occurrences of a value for an matrix?
c=unique(a); b=[c, sum(bsxfun(@eq,a(:),c'))'] b = 3 3 4 2 5 2 6 3 7 ...

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i have 729 data points within a particular range of lat &long. how can i reduce this to 150 without changing the range of lat&long..?
This should do it: lat=rand(729,1); step=729/149; latshort=[lat(1:step:end-1); lat(end)]

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logical operation on a column within a matrix
This should work: POS(POS(:,2)==0,2)=1;

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Frage


Speed optimization of partial inner product (norm)
For a row vector, the norm can be written as sqrt(sum(P.^2)) or sqrt(P*P') The latter is about twice as fast. No...

mehr als 10 Jahre vor | 2 Antworten | 0

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fill a polygon with a hole
Alternatively, you can remove all black lines (like that the figure looks good to me) h=fill(data(:,1),data(:,2),'r','Lines...

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how can i plot 3 parameters in asingle graph(as shown in the picture)..two of them along x&y axis and one parallel to x-axis?
Perhaps this helps: <http://www.mathworks.nl/help/matlab/creating_plots/using-multiple-x-and-y-axes.html>

mehr als 10 Jahre vor | 0

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Hello everyone. I converted 4 into binary and got 100 . my problem is that i want to use this 100 as a decimal but the matlab is obviously treating it as a binary number. Please help
The following code gives you a decimal 100: str2double(dec2bin(4))

mehr als 10 Jahre vor | 0

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Flipping one Y axis out of two
I hope this is what you had in mind. To make sense of it, I think you need to display 2 Y-axis, the example below does that. ...

etwa 11 Jahre vor | 0

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