Karl

2023년부터 활동

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Can we make a triangle?
Given three positive number, check whether a triangle can be made with these sides length or not. remember that in a triangle su...

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The Birthday Phenomenon
First off, leap years are not being considered for this. In fact the year that people are born shouldn't be taken into considera...

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MATLAB does not launch correctly
From the bin directory of the MATLAB version that you want to use, try: ./matlab To run from anywhere an executable specified ...

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Find full-width-half-max of signal amongst noise floor.
One approach would be to subtract the average noise floor level from the intensity values. You could then estimate the signal F...

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Load DICOM image, binarize, and save a new DICOM image
Two things that might help are: Convert the binarized image to type double. Redefine the minimum and maximum greyscale values ...

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Energy Conversion 1

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Area Conversion 2

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Mass Conversion 2

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Mass Conversion 1

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Temperature Conversion 3
Given a temperature in Celcius, convert it to Fahrenheit.

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Temperature Conversion 2

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can you segment with the 3D unet an image with unequal dimensions, like 128x384x128 for example as an input to the model?
The function unet3d() doesn't require that images have the same size in each dimension. From the documentation for the input ar...

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How to extract numerator and denominator coeficients from polynomial function to array
You can extract a vector of the coefficients of a symbolic polynomial using sym2poly(): % Create example symbolic polynomial. ...

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How do I start when coding a MIMO system?
I haven't used it, but the following looks like a good resource for simulating multiple-input multiple-output (MIMO) systems: M...

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For a repeated eigenvalue only one eigenvctor is being returned
Another approach, which gives the additional eigenvector that you calculated, is to obtain the eigenvector(s), x, for eigenvalue...

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Area Conversion 1

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python environment on matlab
The error message indicates a failure in the call to sys.path. There are some hints on troubleshooting this type of failure at:...

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Ordinal numbers
Given an integer n, return the corresponding ordinal number as a character string. For example, ord(1)='1st' ord(2)=...

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Temperature Conversion 1

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Průměr z výběrového souboru
Napište funkci, která vrátí průměr z hodnot vektoru data. Např data = [1, 2, 3, 4, 5, 6, 7, 8, 9] je prumer = 5.

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Source code for trainPointPillarsObjectDetector
You should be able to find the path to the source code using the which function: which('trainPointPillarsObjectDetector.m') On...

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Image Approximation (imshow) trouble -- I believe I'm doing Image Compression??
The code below builds on code given by Torsten in relation to a related question: https://mathworks.com/matlabcentral/answers/2...

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How to do a rank-1 approximation?
You can check the display format that's set, and change if necessary: % Show the current display format. display(format) % Se...

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How to Get Grey Matter Volume of Specific Brain Regions in SPM/MATLAB?
Summarising from the comments, if 'roi.nii' is a NIfTI file containing a binary mask representing a region of interest (ROI), an...

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Check code compatibility with older releases
Mathworks Support Team has suggested codeCompatibilityReport to check compatibility with MATLAB R2017b and newer: https://mathw...

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Energy Conversion 2

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Calculate Parallel Resistance
Three resistors connected in parallel have resistances R1, R 2, and R 3, respectively. Return the total resistance R total of ...

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Resistance of a light bulb
The current through two identical light bulbs connected in series is C Amperes. The total voltage across both bulbs is V Volts....

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Velocity Conversion
Given a velocity in mph, convert it to km/h. Round the answer to the fourth decimal place.

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Electrical Diode Current Calculation
In engineering, there is not always a single equation that describes a phenomenon accurately enough to be applied in all instanc...

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