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How to access left bottom pixel in image using (0,0)?
Since you seem to want to "index" by (0,0), perhaps what you are looking for is assigning real (x,y) coordinates to the image an...

約6年前 | 0

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How to access left bottom pixel in image using (0,0)?
How about if you flip the image? % if the image is in I I = flipud(I)

約6年前 | 0

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how make the plot continuous ?
If I understand correctly, you want the "plot" command to produce a vertical "line" at x=6. To do this, you could duplicate the ...

約6年前 | 0

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this code is taking a lot of time to run,
If all the files have the same format, I have seen big improvements using detectImportOptions() on the first file re-use those o...

約6年前 | 0

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Background Color of UIAxes
It is possible to create a regular "axes" within a "uifigure". Can you try that and see if you can accomplish what you need? Thi...

約6年前 | 1

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Installing and running matlab app able to load and process .mat file
If the problem is that the standalone app can't find the file to load in the first place, you need to understand how paths work ...

約6年前 | 0

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calling a function inside an app?
Functions need inputs and outputs, so you will need to define the function su as function out = su(app) out = app.a+app.b ...

約6年前 | 1

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Solving a second order differential equation
In you function Q5, your 2nd row has a typo, using y instead of y(1)

約6年前 | 0

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How to plot solid and dashed lines?
You need to precede the linestyle you want with the keyword 'LineStyle' plot(x,y,'Color','k','LineStyle','--') so "LineStyle" ...

約6年前 | 8

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Image segmentation approach to segment lines based on patches
If the shapes you want to segment are parameterizable, and especially if you know how many there are (3 rectangles in this case)...

約6年前 | 0

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Working with tables that are within a timetable
I would first flatten the table, especially if you will be making many queries. Something like DataCell = cell(height(TT)...

約6年前 | 0

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Array indices must be positive integers or logical values.
In your function esb(), you are using the variable "t" as an index, e.g., Q(t) but "t" is defined (via your argument structure...

約6年前 | 1

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Extraction of values from a graph.
There is a function called "interp1", which seems like it will suit your need. You have options on interpolation method. T=20:2...

約6年前 | 0

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How to create and move a line when I put the mouse on an axes?
does the built-in matlab function ginput() do what you want?

約6年前 | 0

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Eigenvalues of a Matrix for a mesh of values and 3D plot.
It seems you already understand the problem E(l,m) = eig(H); %Here is the problem because it can't store two values in one grid...

約6年前 | 1

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Delete all rows in cell array based on value
Do you need the cell array C? Must B be a cell array? If not... A = {table(rand(3,2)); table(rand(3,2)); table(rand(3,2))}; ...

約6年前 | 1

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Check for specific information in a string from a table
Assuming that parsing your text file to mine the data is a separate and solved problem, your question about identifying the stri...

約6年前 | 0

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Merge table rows having same values?
Also, how about this T0 = table([1 3 1]', [2 4 2]', [1 4 nan]', [2 5 9]', [nan 6 9]','VariableNames',{'ID1','ID2','Var1','Var2'...

約6年前 | 0

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Merge table rows having same values?
Updated based on Adam Danz's better use of fillmissing(). I think you want to keep the 'stable' keyword rather than 'sort', if ...

約6年前 | 0

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How to create a video of fmincon results for each iteration?
Since it looks like you already are able to plot, is the question simply how to create a video from series of plots? If so, a s...

約6年前 | 0

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fsolve not enough input arguments
You need to supply System() as a function handle to fsolve(). The way you have written it, Matlab thinks you want to simply call...

約6年前 | 0

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Set properties of child objects without synchronisation errors
Is your "ConnectingPipe" class really just the 2 properties, or is that just part of the class? If it's only 2 properties, would...

6年以上前 | 0

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Creating a For loop with fzero having multiple variables and selecting at random an output value
I see at least 2 problems. looping; you're correct there's an issue, misuse of linspace your initial guesses for fzero For th...

6年以上前 | 1

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Fill the spaces between circles
just a quick look, but maybe the shaded regions are shared by exactly 2 or 3 circles, not more and not fewer...does that work? a...

6年以上前 | 0

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MathLab 2019 backward compatibility
is it possible that in your 2017 environment, you have inadvertently overloaded the "factorial" function?

6年以上前 | 0

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Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

6年以上前

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Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

6年以上前

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Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

6年以上前

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Alternative way for nested for loops and if statements
For nested loops you can keep as much outside of the inner loop as possible, in this case the search for placeOfFirst looks like...

6年以上前 | 0

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Overlapping non-square block-diagonal matirce
As long as there are well defined rules for the blocks and their positions in the matrix, direct use of the sparse() function sh...

6年以上前 | 0