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Solving complicated system of symbolic equations
I like John's comment about visualizing. To expand on this, and Walter's comment that it is trickier to do this in the complex p...

5 years 前 | 0

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Select random numbers from matrix without repetition
And here is a different approach to the contiguous blocks. Instead of checking for overlaps, you can avoid them by tagging eleme...

5 years 前 | 0

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Select random numbers from matrix without repetition
Here is a simple way if you don't need contiguous blocks, but just need to randomly sample elements without repeating L = 1024;...

5 years 前 | 0

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readtable (excel) behavior for string type with empty cell vs spaces
According to Jemima's answer, confirmed that the issue is an internal conversion of the "" to <missing> within readtable. Furthe...

5 years 前 | 0

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Split datetime column data into two column
if you import it as a datetime variable, you can use datetime operations to render into whatever format you want, including one ...

5 years 前 | 0

提问

readtable (excel) behavior for string type with empty cell vs spaces
I am trying to make an excel import function robust to treat either empty cells or cells containing only spaces in a specific wa...

5 years 前 | 3 个回答 | 0

3

个回答

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Can you replace names in struct?
Going out on a limb since as Matt J points out it's not clear what exactly everything is, but... I think what you need is metad...

5 years 前 | 0

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Creative way to create a Matlab array from a textfile with multiple headers.
This will grab the data, but it will not be organized...you can change internal storage to suit your needs. I'm curious if this ...

5 years 前 | 1

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Dragable rectangle with text
Ugly, but minimal changes to original code: function drag_drop close all dragging = []; orPos = []; f = figure('WindowB...

5 years 前 | 0

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Number of button groups in GUI depending on user input?
I would question the premise... How about having a listbox that lists each measurement, and only a single button group, whose c...

5 years 前 | 0

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Fit height uitable App Designer
it wouldn't work with the "fit" gridlayout, but if it is really important to you, what i have done in the past is to measure the...

5 years 前 | 0

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Fit height uitable App Designer
Look into uigridlayout with the "fit" keyword for row heights

5 years 前 | 0

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How can I plot this type of figures?
Using surf, did you take these steps? L = membrane(3); surf(L,"LineStyle","none") % don't display mesh view(2) % view from to...

5 years 前 | 0

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Dataflow in App Designer
Yes, much clearer explanation of your question. All due respect to Sourabh, I do not think you are looking for multi-window app...

5 years 前 | 0

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Newton's method for minimisation returns a critical point
Yes this looks normal, you are only asking to zero the gradient of the function, so naturally that includes non-optimal points w...

5 years 前 | 0

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Search function in drop down menu in AppDesigner?
Just confirmed, if you set the "Editable" property of a uidropdown to "on", you get some simple filtering of the Items based on ...

5 years 前 | 2

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MATLAB App Designer hold on/off throwing warnings
I would set the "NextPlot" property of the polar axes to "add". pax.NextPlot = 'add';

5 years 前 | 0

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Finding strings in a cell array that start with a specific substring
Try this A = {'test' 'hello' 'world' 'st1' 'st2' 'st99'} matches = regexp(A,'^st\d+$','match') B = [matches{:}]

5 years 前 | 0

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How to plot sphere in sphere coordinates?
Your problem is not with conversion or plotting, but defining the coordinates that you want... [phi,theta] = meshgrid(linspace(...

5 years 前 | 0

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fit curve with parameter
If i understand Rik correctly, I think you'd first have to estimate the t data by computing the cumulative arc length between yo...

5 years 前 | 0

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how to "convert" user inputted letter and number combination to a row,col position on a plot?
In case you want to make battlship on an insanely large grid, here's a more general solution to convert "Excel column" style lab...

5 years 前 | 0

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Plotting into Multiple Axes in GUI
Any plot command can accept as a first argument a target axes object to plot into.

5 years 前 | 0

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How do I pass a variable number of outputs through two functions?
Currently your GetData function literally has no purpose other than to alias the function you want with other names...the mechan...

5 years 前 | 0

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minify Matlab code (minimize number of characters)
Partial answer to implement Rik's original stripping of blank lines and full comment lines, and also attempt to squeeze the line...

5 years 前 | 1

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Animating a pointmass sliding down a plane
There's some inconsistency in whether you are treating the angle from vertical or horizontal (effectively). It may also be conce...

5 years 前 | 0

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How to solve system of nonlinear ODEs with "unusual" boundary conditions?
If you are talking about boundary value problems versus initial value problems, look at bvp4c and bvp5c. There is nothing "unusu...

5 years 前 | 0

已回答
Euler's Method/Improved Euler's Method
The error is telling you that at the first step of your loop (n=1), you are trying to access the n=2nd element of t and y, but a...

5 years 前 | 0

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set uiaxes in matlab function as current figure to plot on
I would argue that it makes more sense (more elegant) to require specifying the parent axes to plot. The way that you want may c...

5 years 前 | 0

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已回答
How to solve unknown coefficients for an exponential fit equation iteratively?
MattJ's answer takes y0 to be known, which Yi Jiao clarified is not the case. Treating y0 unknown and extending MattJ's answer l...

5 years 前 | 0

已回答
Is there a simpler or more efficient way to do the following?
You could for example do this function B = label1(A) [rows,cols] = size(A); B = ["",string(1:cols);[string((1:rows)')+char(9)...

5 years 前 | 0

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