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Simpson's 3/8 Rule
The problem is in the last LOOP, you set at the last iteration: ed = i + 2; When |i = 5, ed = 7| but |x| has only 6 ele...

約14年前 | 0

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basic code question
If same size: x1(4:end-2) = x2(4:end-2); Otherwise: [x1(1:3); x2(4:end-2); x1(end-2:end)]

約14年前 | 1

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XLSWRITE
name = inputdlg('Name excel file as: ','Name excel',1);

約14年前 | 0

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Summing common elements of a matrix together
accumarray(A.',B.')

約14年前 | 3

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Guide: alphabet and symbols
Try this GUI function myGUI % Create figure S.fh = figure('units','pixels',... 'position',[500...

約14年前 | 1

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right y-axis
Does this help? set(gca,'box','on')

約14年前 | 0

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using datenum over several years
InDate = '2011-01-01 00:00'; FiDate = '2021-01-31 23:57'; % Create hourly spaced datetimes v = datenum(InDate):1/...

約14年前 | 0

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add labels to columns
If you have the Statistic toolbox you can accomplish this with the <http://www.mathworks.co.uk/help/toolbox/stats/dataset.html |...

約14年前 | 0

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Regress - are the regression coefficient standardized?
No, <http://www.mathworks.co.uk/help/toolbox/stats/regress.html |regress|> doesn't normalize automatically the regression coeffi...

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Can I make a scatterplot with custom marker symbols?
To show a practical example using Thomas' link in the comments: % Sample scattergroup load discrim h = gscatter(ratin...

約14年前 | 2

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Is there a way to have load command return data in format other than struct?
abc = fints; def = fints; save mymat clear load('mymat','abc') As opposed to load mymat which poofs al...

約14年前 | 0

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Reading every 10th Trial Error
You initialize |i = 0|. MATLAB convention for positions is to start from 1, i.e. there's no position 0 in any array. Specif...

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MATLAB Answer format
Is |W| a symbolic variable?

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Is there a way to save a variable created in a function to the workspace?
the syntax of a function could be summarized as: [output1, output2, ...] = function(input1, input2, ...) Say, yuor varia...

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How to use any2csv - returning "??? Undefined function..."
You need to add the path where you placed |any2csv.m| addpath 'c:\something\...' Or simply change current folder ...

約14年前 | 0

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Portoflio Optimization
I am afraid you can't easily implement it with the existing tools. There are some papers out there (googling _portfolio optim...

約14年前 | 0

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Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

約14年前

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Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

約14年前

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radius of a spherical planet
you just measured its surface area, that is the input.

約14年前

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Regstats : Multiple regression/comparing regression slopes
Your data (in copy-pastable form): X = [1;2;3;1;2;3;1;2;3]; Z12 = [0;0;0;1;1;1;0;0;0]; Z20 = [0;0;0;0;0;0;1;1;1]; ...

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How can I show a time/date stamp in the prompt?
http://undocumentedmatlab.com/blog/setprompt-setting-matlab-desktop-prompt/ Has link to FEX submission. *EDIT* setPro...

約14年前 | 1

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Back to basics 1 - Saving
Covering some basic topics I haven't seen elsewhere on Cody. Given an input variable 'x', save it to disk in a file named 'co...

約14年前

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Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

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combine two set of data
thk = [R1; R2]; thk = thk(:).';

約14年前 | 1

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How to reverse a matrix dimension without affecting the other 2 (for 3 or more dimension matrixes)?
A = rand(238,132,35); A = A(:,:,35:-1:1); Or use <http://www.mathworks.co.uk/help/techdoc/ref/flipdim.html |flipdim|> (w...

約14年前 | 4

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Why should mvnpdf function be too slow
It's is not a _builtin_ function since it's not compiled but written with MATLAB code. Type in the command window to see how ...

約14年前 | 0

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Covariance
You should read the documentation thoroughly: cov(A,1) is the *population* covariance (divides by |N|), while cov(A...

約14年前 | 3

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Change Color Multiple Times
It's not possible within MATLAB editor (to my knowledge) and green for comments is some sort of convention among programming lan...

約14年前 | 0

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Function to format number as currency?
Or using java: % Formatting according to locale j = java.text.NumberFormat.getCurrencyInstance(); j.format(1000.3243)...

約14年前 | 7

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How can I format a percent using 2 digits after the decimal
<http://www.mathworks.co.uk/help/techdoc/ref/sprintf.html |sprintf|> Example: x = 0.78765645; % almost 78.8% sprintf(...

約14年前 | 2