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# Tommy

Last seen: 2 días ago Active since 2017

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Calculating survival probabilities from Mortality tables in MATLAB
readtable() returns a table which should contain your variables. Try [a,elx] = lifetablefit(data.x, data.lx);

casi 2 años ago | 1

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Issue with defining inputs in classdef and getting properties updated
For your second line: [position,velocity,current] = motor.input(5,10); If you want input() to accept values for the voltage an...

casi 2 años ago | 1

Why is corr/corrcoef returning NaNs?
You can use corr(OptimismBias, AmbigTolG, 'rows', 'complete') to ignore the NaN values.

casi 2 años ago | 3

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Can I detect array index inside setter method?
"For indexed assignment: obj.PropName(n) = val; MATLAB: Invokes the get method to get the property value Performs the indexe...

casi 2 años ago | 0

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How to add histogram to series of scattered plot on the same plot?
scatterhist() uses different syntax than scatter(). It seems like you need to enter all the data at once, as vectors, and then u...

casi 2 años ago | 1

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How to extract one plot from multiple plots?
Assuming you have the figure handle, how about something like this? % setup f = figure; for idx = 1:8 ax = subplot(4,2,i...

casi 2 años ago | 0

how to detect a keyboard key in a while loop using a figure
You could use the figure's KeyPressFcn, possibly combined with some of the ideas below: myFig = figure('KeyPressFcn', @myKeyPre...

casi 2 años ago | 0

Averaging values in Column B based on serial date in column A
Does it need to be a loop? I believe this will work: groups = findgroups(yourArray(:,1)); avg = splitapply(@mean, yourArray(:,...

casi 2 años ago | 0

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Accessing an ROI move listener in another function so to delete it
Assuming you don't want to delete the ellipse, you could instead delete the listener within your button's callback function. You...

casi 2 años ago | 0

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Convert a vector into a matrix (row wise)
From the reshape() docs, for the syntax B = reshape(A,sz) "The elements in B preserve their columnwise ordering from A." If...

casi 2 años ago | 1

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Combining x and y arrays and converting subsequent values
Assuming x and y are formatted like the following... [x,y] = meshgrid(1:1920,1:1080); ...then how about this? q = nan(size(x)...

alrededor de 2 años ago | 0

Create matrix with different type of data and sort it based on one of its columns
For the following example: % example... A = strings(10,1); B = rand(10,1); you could use a table: % combine and sort... T ...

alrededor de 2 años ago | 0

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Patch color error "Vectors must be the same length."
The docs linked by Geoff mention that you can specify an n-by-1-by-3 array of RGB values (for n number of faces). I've defined c...

alrededor de 2 años ago | 0

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How to format output to exponential notation
This should work: fprintf('At voltage = %.2E nV\n',CurData(1,C)*10^9) If you don't want the plus sign: val = CurData(1,C)*10^...

alrededor de 2 años ago | 0

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How to return index of started specific pattern from array/matrix(column/rows)
See here: https://blogs.mathworks.com/loren/2008/09/08/finding-patterns-in-arrays/#7 idx = strfind(a, ex);

alrededor de 2 años ago | 1

Change labels positions for pie chart

alrededor de 2 años ago | 2

How to fill a matrix column by column better than by a for loop?
How about something like this? xx = 0:0.1:1; nxx = numel(xx); nyy = 10; xm = repmat(xx',1,nyy); base = linspace(0,1,nyy);...

alrededor de 2 años ago | 1

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How to make the program more flexible
Here's a function that places an M x N grid of Xs within a rectangle defined by pos, as well as a few lines which use that funct...

alrededor de 2 años ago | 1

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Replacing Values in Matrix with NaN's based on Row and Column
Possibly, you could use sub2ind() to convert your rows and columns to linear indices: ind = sub2ind(size(yourMatrix), yourRows,...

alrededor de 2 años ago | 0

Get the middle point of a matrix
Possibly MATLAB's convolution functions will be faster: % 1D case: B = conv(A, ones(2,1), 'valid') / 2; % 2D case: B = con...

alrededor de 2 años ago | 1

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Opening a figure saved in .fig with several plots and working on them separately
You could obtain handles to each of the axes within your figure and go from there: fig = openfig('myfig.fig'); ax_handles = fi...

alrededor de 2 años ago | 0

Error When Using Writetable Function
It seems like writetable() has trouble handling the case where a variable in your table contains a cell which itself contains an...

alrededor de 2 años ago | 0

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Indexing a matrix in matlab according to conditions set on other matrices
Here's one way: result = (a <= 5 & b >= 6) .* c;

alrededor de 2 años ago | 1

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Plot with intervals for x axis
I believe stairs() is what you want: https://www.mathworks.com/help/matlab/ref/stairs.html

alrededor de 2 años ago | 0

changing uislider position by script
sld = uislider(fig,... 'Orientation', 'vertical',... 'Position',[ 100 100 3 100],... ...

alrededor de 2 años ago | 0

how to define a path in saveas command
Possibly like this? pathdatasave = 'E:\matlab'; saveas(gcf,sprintf('%s%03d.png', pathdatasave, i));

alrededor de 2 años ago | 0

Disable Datatips on click
Not the greatest solution, but you could make the datatips invisible until your timer deletes them: dcm = datacursormode; dcm....

alrededor de 2 años ago | 1

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Index exceeds the number of array elements (5).
Likely a typo in line 56: As(6)=-l^2*cos(phi); %Spring node 6 % ^ should be Af? As it is, Af only h...

alrededor de 2 años ago | 0

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