Question

Image after saving, changing the orientation!
Please have a look at the attached figure. Figure1: Is my real data, the intensity map plot with the function 'colormap'. I wan...

10 years ago | 0 answers | 0

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Question

Applying a function row by row in a matrix
I want to apply a function to each row in a matrix. For example, my function is function(R,L); where R is the input (row) and L ...

10 years ago | 1 answer | 0

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answer

Question

semilogy and log10 : To make display in the same way
How to make the semilogy and log10 plot appear in same way? A=[1:15]; B=[3:17]; figure(1) semilogy(A,B) figur...

10 years ago | 1 answer | 0

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Answered
Can I plot a point with an arrow towards it?
check plot::Arrow3d Is this the same thing what you mean? I found a few functions in Matlab fileexchange. May be tha...

10 years ago | 0

Answered
Select rows given a condition
Try this: B=A(any(A==1997,2),:)

10 years ago | 1

Question

How to exclude some files while load a set of files using a loop?
I am loading a set of files using loop as follows: for k=1:10 A{k} = load(['E:/MatlabData/File',num2str(k),'.asc']); ...

10 years ago | 2 answers | 0

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Question

How to fix one point with no error while curve fitting
I have a data to fit linear plot. But I want to fit the first point with no error. I mean, the fitted curve should fix on the fi...

10 years ago | 2 answers | 0

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Answered
Reading this ASCII data in MATLAB
Files are not attached. Did you try to load using load ('filename') function? Also, plot(x,y) function to plot the map!

10 years ago | 0

Question

The loop in my code is taking longer time. Any way to make it faster? or any other faster way?
I have to read almost 22 files (.asc format). I made a loop to put all those in a cell array and make the histogram. But unfortu...

10 years ago | 0 answers | 0

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Answered
Setting axes in bar function
use xlim, ylim options... you can simply give xlim=([xmin xmax]); ylim=([ymin ymax]); or set(gca,'XLim',[xmin xmax...

10 years ago | 1

Question

How can I loop this code for several data files and finally accumulate all the plots together?
I have a code: B=load('Data1.dat'); Dat=[B(:,1) B(:,2)]; nbins=[1000 1000]; n=hist3(Dat,nbins); n1 = n; n1(size(...

10 years ago | 1 answer | 0

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Question

How to get the projection of a 2D colorplot on x axis?
I have a 2D color plot as following: <</matlabcentral/answers/uploaded_files/13526/matlabAnswers.jpg>> how can I choose ...

10 years ago | 1 answer | 0

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Question

I want to make a function with save option.
I have the following code in my script (this code looks for the file in directory and save with filename#, numbering sequentiall...

10 years ago | 1 answer | 0

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Question

To save the data files numberig
Is there any way to save the data as data file by numbering it automatically. I mean, this command should look if another file w...

10 years ago | 1 answer | 0

1

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Question

To take parameter of a fit from one section to use in another fit in the next section.
I have a program which make a linear fit on a data. I want to use the slope of this linear fit on another data where I fit expon...

10 years ago | 1 answer | 1

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Answered
check if two variables are not equal to zero.
ind=find(V==0) size(ind) OR sum(V(:)==0) %this will give the number of zeros

10 years ago | 0

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Answered
Set min and max value for the color bar on a script
Try caxis([min max]);

10 years ago | 0

| accepted

Question

Counting the number of events and total number of blocks from a file.
I have results of my experiment on a .dat file (.text version is attached here with). It is obtained after doing experiments for...

10 years ago | 1 answer | 0

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Question

Title the figure outputs of a function with different comments.
I have a program which uses a function named 'PlotColorMap'(I created this function). This function plot color maps for the data...

10 years ago | 1 answer | 0

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Question

I want to repeat a section several times taking different values
A section of my program is as follows: Dat=[Data(:,1) Data(:,2)]; nbins=[100 100]; figure hist3(Dat,nbins,'FaceAlpha...

10 years ago | 2 answers | 0

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Question

How to delete/subtract/make zero all the values above a specific value?
My data has three columns. I want to do three things. 1) In the first analysis, I want to delete all the values above 255. ...

10 years ago | 2 answers | 0

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Question

How to sort a set of data according to the ascending order with time?
I have a data with three columns (X, Y and Time). This data is recorded for many different cycle of experiments. When the cycle ...

10 years ago | 1 answer | 0

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Question

How to sort all the columns of a file into a single column?
I have a data file having several columns of values. I want to sort all the columns of the file into one column. For example let...

10 years ago | 2 answers | 0

2

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Question

How to zoom a region of a plot?
I have a program which plots 6 different data as separate plots. I want to get those plots zoomed in a range. For example, my or...

10 years ago | 1 answer | 0

1

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Question

How to fit a square and find the center point?
I have a data plot look like in the picture: <</matlabcentral/answers/uploaded_files/6810/Image%20for%20MatlabCentral.jpg>> ...

11 years ago | 1 answer | 0

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Question

Compare and replace elements in a matrix
I have a matrix say A=[1 2 3 4 5 6 7 8 9 10] B=[2 5 10]. I want to compare A and B so that 2,5 and 10 (in B) should be replaced...

11 years ago | 2 answers | 0

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Question

Eliminate events from the plot
I have a data with three columns X, Y and T. X and Y represents positions of and event and T the corresponding time. What I did ...

11 years ago | 1 answer | 0

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Question

How to run a code for several files also how to stop the code for a specific number of files and give output?
I have following code: A=load('CurRunA.dat'); X=A(:,1); Y=A(:,3); figure( plot(X,Y) I want to run this code for se...

11 years ago | 1 answer | 0

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Question

To fit the angular distribution with a given equation.
I have a data (A) with two columns Rho and Theta (in polar coordinates). If I plot the histogram of Theta, I get Y(Theta). ...

11 years ago | 1 answer | 0

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Question

To Run a program for multiple times for different data and report result for each run
I have a program as follows: A=textread('VMIVolt.asc'); t=0:1:1000; h=hist(A(:,1)./1000,t); meanBinIndex = sum(t(620...

11 years ago | 1 answer | 0

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