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How do I plot the upper view of a matrix and represent the intensity color?
Here is an example of what i'm thinking you're doing. Not sure what you're doing with the weighted average but i think i did so...

4달 전 | 1

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How to vertically and horizontally scan an image to store a coordinates (positions) of the elements having values other than 255.
do you need to "scan" in a for loop or are you just looking for the positions of the colors? if you don't need to scan in a for...

4달 전 | 0

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How to plot an equation qith specific data range?
For this you can use the function ylim() clc clear x=0:5:100; y=3*x+10; y1=4*x+5; plot(x,y) hold on plot(x,y1) ylim([25...

4달 전 | 0

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How to include function in legend
do you need to use latex as just using the default tex? as latex uses \$ for markup of symbols i don't know if it'll take the sy...

4달 전 | 1

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Having trouble with looping through fields in a struct
primarily its because of the data.t = zeros(length(list)); data.p = zeros(length(list)); where you've set the t and p to be ...

4달 전 | 0

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how to add a label to a contourf plot next to colourbar?
you can set a ylabel by passing the colorbar handles into ylabel [X,Y] = meshgrid(1:12,1:24); Z = sin(X) + cos(Y); figure(1),...

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Plotting streamlines from a dataset (x,y,u,v)
So, meshgrid generates a grid of x and grid of y values so index wise you get the xy pair-combo. usually very useful when you're...

4달 전 | 1

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Change variables in for loop
That is because you're evaluating a string in that inpoly and not the variable x_e#... ideally you wouldn't want to do the evalu...

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hello everyone. How to make the direction of points drawn on Cartesian coordinate system consistent with that drawn on binary image.
in a displayed image (0,0) is top left corner but cartesian is bottem left if in the ++ quadrant. so remedy this you can set th...

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Help sketching equation into 3d graph
what you'll need to do is use the function meshgrid() which will then create a 2D matrix for both x and y such that you can get ...

4달 전 | 1

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Bars disappear with log scale
While not ideal this should get you by since bar tries to plot the bar all the way to 0 which log scales don't show y=randi(100...

4달 전 | 0

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pre-define a struct/array of structs in attempt to get rid of out of memory error.
the pre-allocation can be done (though can't really find the right way ultimateR = []; temp = struct('name',[],'size',[],'resu...

4달 전 | 0

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Implement simple rotation cypher
If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...

12달 전

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Using get and set command to add a title, xlabel, and ylabel?
You can take a look by first extracting out the current axis or assign it to a variable: figure(1),imagesc(randi(10,10,10)) ha...

12달 전 | 0

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HDFread and hdfinfo on modis data
Answer to this after brute forcing looking at all named values. attributes that should have been pulled from just reading in si...

1년 이상 전 | 0

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HDFread and hdfinfo on modis data
I appear to be missing some fundamental understanding of hdfread and hdfinfo for MODIS hdf data files (note not hdf5 files). ...

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Two-dimensional colormap
I'm puzzeled by your first portion and the need for a for loop. unless you have a hold somewhere the images shouldn't be stackin...

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how to know if a char vector contains unwanted characters?
check out the function ismember here is snippet of test code x=["0","1","2","3","4","5","6","7","8","9","."]; y = ["3","3","5"...

1년 이상 전 | 0

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How can I splitt up a big matrix into smaller matrises, splitting it up by values on the x-axis
so the main question is whether the ranges for the smaller matrixes are known or need to be detectable. then you can use a for ...

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How can I convert a YCbCr image to 4:2:0
while you're probably not going to implement this in simulink but take a look at https://www.mathworks.com/help/vision/ref/chrom...

1년 이상 전 | 0

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How to plot a region in a Matlab plot?
here is quick example of what you can do by putting the regions as an image under the plots: %gen xy spans temps=0:.1:100; ...

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How to set marker groups in one plot?
Here is a snippet of code that should help you out. %Dummy data GroupNo =[1 1 1 2 2 2 3 3 4] A = randi(100,numel(GroupNo),2);...

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multiple folder paths into a loop
to add onto what Mr. Roberson has up there: [a]=dir('B*\sss\ttt\*.txt') you can continue the search by using the wildcard + ex...

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Incorrect use of '=' operator occurs in grey out area of app designer.
I was unable to create it myself but from the looks of it you might have a function or calculation that isn't terminated correct...

1년 이상 전 | 0

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Undefined operator '>=' for input arguments of type 'cell'.
you can adust it to take out the cell using cell2mat() function or quick cell indexing using the curly brackets {} can do the tr...

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Previous Value of Numeric Edit Field
I think thats almost what you'd want do have and store prevvalue during during successful calculation. Previousely in GUIDE an...

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How to set a scale in a figure (similiar to Google Maps)
I don't understand what you're doing with that line to check baseline. I'll continue to read that however here is a quick scale...

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Plots combining to produce one single plot
What i see is that you have a hold on and you didn't turn it off or designate a new plotting window/figure. Such athat dependin...

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Making a histogram from a struct
I'm not sure what the rest of your dataset looks like unless you are looking to do a histogram of 7 points. However this snippe...

1년 이상 전 | 0

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Radiation Heat Transfer — View Factors (1)
View factors (aka configuration factors) are utilized in some radiation heat transfer models to estimate heat transfer rates bet...

2년 이하 전