Michael Boyle

Last seen: environ 2 ans il y a | Actif depuis 2021

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How to overwrite existing text file without saving as new file
I am trying to overwrite the last line in a text file and save it. I don't want to write to a new file as the name needs to be t...

environ 2 ans il y a | 3 réponses | 0

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How to change presentation slide title box size and position?
Figured it out. Instead of choosing 'Title Only' as slide type, choose 'Blank' and insert your own custom text box import mlrep...

plus de 3 ans il y a | 0

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Question

How to change presentation slide title box size and position?
I am creating a powerpoint presentation in matlab and I am trying to adjust the size and position of the title box import mlrep...

plus de 3 ans il y a | 1 réponse | 0

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Question

How to get and plot boundary/vertex of drawn polygon
I am trying to use drawpolygon to trace an imported image and then plot the boundary in a normal figure elsewhere. Matlab seems ...

plus de 3 ans il y a | 1 réponse | 0

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Question

Save -v7.3 with large .mat files
I am trying to save large variables (5,000,000 x 200 arrays) to .mat files using save and -v7.3. Originally, it would save these...

presque 4 ans il y a | 1 réponse | 0

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Question

Help creating xbar control chart
I have a column vector of data and I am trying to create an xbar control chart from it. x = (0:1:50)'; y = controlchart(x,'ch...

presque 4 ans il y a | 1 réponse | 0

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Question

Use logic to determine if array contains a specific date
I have an array where one column contains dates in the DD-MM-YYYY format. I am trying to use if statements to do certain things ...

presque 4 ans il y a | 1 réponse | 0

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Question

Create rapid beeping tone in matlab
I am trying to use sound( ) or some other function to create a rapid beeping tone at a specified frequency. The sound( ) functio...

presque 4 ans il y a | 1 réponse | 0

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Question

How to strrep only certain strings
I have a cell array with values like e-.00085 and 8.5e-4. I am trying to replace the 'e' with nothing '' in the value with the l...

environ 4 ans il y a | 2 réponses | 0

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Question

How to replace only one instance in a certain string
I am trying to use strrep() to replace the first 'e' with nothing '' and leave the second one alone in the following string: x ...

environ 4 ans il y a | 2 réponses | 1

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Question

How to prevent Matlab from rounding numbers when it saves them to a variable?
I am trying to read numbers from a text file, post-process them in Matlab, and replace them in the text file. When I read in a n...

environ 4 ans il y a | 1 réponse | 0

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Question

Replace text in a struct with new values
I have a struct where each row is a line from a text file. I am trying to replace values in a given row with new ones. idx =...

environ 4 ans il y a | 1 réponse | 0

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Question

How to count number of times 2 elements appear together in a table
I have a table of teams and names and I want to get an output of the number of times 2 specific names appear together in the tab...

plus de 4 ans il y a | 1 réponse | 0

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Question

Using fprintf to display an existing table
I created a table of data as shown below and want to use fprintf to display it with some text. Is this possible with fprintf or ...

plus de 4 ans il y a | 1 réponse | 0

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Question

How do I specify which variable I want Matlab to solve an equation for so that I don't have to do the algebra myself?
I am trying to find a way to get Matlab to do the algebra for me so that I don't have to rearrange equations for the variables I...

plus de 4 ans il y a | 1 réponse | 0

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