# Megha

Last seen: mer än 2 år ago Active since 2018

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Question

How to obtain the X,Y,Z index of the high intensity stripes/bands appearing the image shown below?
How to obtain the X,Y,Z index of the bluish-green streaks appearing the image shown below? There are about 3-4 streaks and I wo...

mer än 2 år ago | 0 answers | 0

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Question

How to make histogram with 4 variables?
How to make histogram with 4 variables? For example, X = 1:19 Y = 1:7 Z = randi(19,7) colorbar = rand([400, 800], 19, 7) ; ...

nästan 3 år ago | 1 answer | 0

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Question

how to obtain polar plot (with colorbar) with same dimensions of X Y and Z (i.e. 1XN)?
I wish to produce a polar plot with with colorbar PosCir = (2:1:6); R = 2:0.25:6.5; % size = 1x19 theta = randi(360,1,19); % ...

ungefär 3 år ago | 1 answer | 0

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Question

how to form a new matrix (i.e. B) from two different matrices (i.e. a1, a2) knowing the indices of its origional matrix (indices of a)?
% a = [1 2 3 4 5 6 7; 2 4 6 8 10 12 14]; % dimension: 2x7 a1 = [2 6 12]; % index in a = [1 3 6] % dimension: 1x3 a2 = [4 8 10 ...

mer än 3 år ago | 1 answer | 0

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Question

how to plot ?
How to plot the data with the size:

mer än 3 år ago | 1 answer | 0

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Question

how to use hold on for two different imagesc plots
I have a matrix like below and want to find imagesc(); hold on; imagesc(); t1 = [1 2 3 6 7]; E1 = [-0.00660786358639598 0.0777...

mer än 3 år ago | 1 answer | 0

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Question

average over a certain range of index ?
I have vector A = [1 7 12 20 23 31]; and B = [6 11 19 22 30 35]. now i want to average another matrix C with 1x35 elements over...

mer än 3 år ago | 4 answers | 1

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Question

can we run codes from 2nd line onwards?
I am running my codes externally i.e. calling one *.m file from another using "run(filename)" command. Can I call this run(file...

mer än 3 år ago | 1 answer | 0

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Can we run more than one matlab code simultaneously?
Yes

mer än 3 år ago | 0

Question

Can we run more than one matlab code simultaneously?
I want to run 50 codes of nearly same type. Is it possible to put all codes for running at once, in a single click??

mer än 3 år ago | 1 answer | 0

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Question

how to find and replace a number/word/command in all opened *.m files in matlab at once?
How to find and replace a particular number/word/command in the multiple opened *.m files at once? I want to change one parti...

mer än 3 år ago | 1 answer | 0

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Question

How to rotate the field vectors in the minimum covariance direction?
I have a magnetic field data (n by 3 components) and i wish to find its covariance matrix and obtain eigen values, eigen vectors...

mer än 3 år ago | 1 answer | 0

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Question

How to perform a time series dataset?
How to perform

mer än 3 år ago | 0 answers | 0

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Question

How to solve the range of x axes and obtain y values?
I wish to obtain figure as shown below: here, y axis is r and x-axis is unu_f. I tried to generate unu_f using a range of "r...

mer än 3 år ago | 1 answer | 0

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Question

How to solve the equation shown in image below?
I wish to solve the eqn shown in figure below: Here, I wish to find the value of theta_u. The i/p paarmeters are: clear; Va...

nästan 4 år ago | 1 answer | 0

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Question

How to find unknown variable in the below equation?
I wish to solve the equation as shown below: So, I made a new variable "A1" as coded below with i/p parameters. r = 3.88; ...

nästan 4 år ago | 1 answer | 0

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Question

how to solve equation to find angle
I have the values of variables be like: clear; Vau = 43.0; Vsu = 47.45; beta = 1.41; gamma = 5/3; syms theta_u I wish...

nästan 4 år ago | 0 answers | 0

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Question

I have been using cdf patch, since years, in different PCs/Laptops. However, something went on very unusual this time in my new ...

mer än 4 år ago | 1 answer | 0

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Question

how to replace labels 1e-18, 1e-17, 1e-16 etc. to 10^(-18), 10^(-17), 10^(-16) etc.
how to replace labels 1e-18, 1e-17, 1e-16 etc. to 10^(-18), 10^(-17), 10^(-16) etc.how to replace labels 1e-18, 1e-17, 1e-16 etc...

mer än 4 år ago | 1 answer | 0

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Question

How to report a complaint against the person who replies ill content on matlab answers?
How to report a complaint against the person who replies ill content on matlab answers?

nästan 5 år ago | 1 answer | 0

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Question

How to plot circle with direction?
I wish to plot a circle with direction of its motion.An exmaple is attached below. I wish to get around 5-10 arrows per circle ...

nästan 5 år ago | 1 answer | 0

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Question

How to set mmmm dd, yyyy as per our choice in the datestr command?
How to set mmmm dd, yyyy as per our choice in the following command? datestr(hours(50),'mmmm dd, yyyy HH:MM:SS') It is norma...

nästan 5 år ago | 2 answers | 0

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Question

Is there a way to export/save a matlab 3D figure so that a 3rd party can view it with the rotation enabled without using Matlab?
Is there a way to export/save a matlab 3D figure so that a 3rd party can view it with the rotation enabled without using Matlab?...

nästan 5 år ago | 2 answers | 1

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Question

logical to index values convert
I have a set of values, like a = [1 2 3 4 5 6 7 6 5 4 3 2 1]; % 1x13 double Now, i wish to get the index of value for which num...

mer än 5 år ago | 1 answer | 0

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Question

vertical line through all the subplots
How to give a long vertical line throughout one particular plot that contains multiple subplots. I do not want annotation comma...

mer än 5 år ago | 1 answer | 0

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Question

legend at a desired location on a plot
How to put legend on a deisred location i.e desired x,y points in matlab? In a plot of X = 1:10; Y = 1:10; plot(X,Y); legen...

mer än 5 år ago | 1 answer | 0

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Question

How to write 2 didgits after decimal in text figure like given below
how to print on a figure the text like here p1 = 0.234567546485, k1 = 0.045677869 text(800,0.3,['\Delta = ' num2str(fprintf(...

mer än 5 år ago | 1 answer | 0

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Question

how to get only selected legend in this particular case
I have attached data, can anyone help me getting red, blue and green legends only? yt = logspace(-3,4,8); binranges = yt; ...

mer än 5 år ago | 1 answer | 0

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Question

logspace with gap of half
yt = logspace(-3,4,8); This gives 0.001, 0.01, 0.1,1,10,100,1000,10000 However, I want 0.001, 0.005, 0.01,0.05, 0.1, 0.5, 1...

mer än 5 år ago | 1 answer | 0