dpb

4,201 2012 年以降の合計貢献数

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matlab table from for loops
A table may not be the best for this purpose but iiuc what you're asking for would be something like Nrows=100; Num_of_Banks=r...

1日前 | 0

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Problem with plotting dates
Use readtable and maybe detectImportOptions first. Then, plot is datetime-aware, so you just call plot with the two variables.....

1日前 | 0

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Geoscatter point size in km
I don't have the mapping TB so can't experiment, but looks like <geobubble> would be better suited to the purpose as it does hav...

1日前 | 0

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Can I pass complex numbers from C++ to Matlab using feval or similar?
See mxCreateNumericMatrix for C interface. It can create a complex array. I suppose there's also a C++ version but "I know nut...

1日前 | 0

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Loop for mutliple (but variable) number of plots on multiple pages
Figure out how many figures you need a priori... nplots = 13; pperfigure=12; nfigures=ceil(nplots/pperfigure); nUp=pperfigur...

4日前 | 0

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Finding the sum of every nth row ( n is not fixed)
You'll have to introduce a day variable...by locating the positions where the hour returns to 0 if is always a 0-hour reading o...

4日前 | 0

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I have multiple equations that depend on a specific value and would like matlab to ask the user which equation to use and what the specific value is and then print that value but it's giving me trouble.
Do something more like: materials={'BK7','Fused Silica','Soda Lime','Borofloat','Air','NOA61'}; [material,ok] = listdlg('Promp...

4日前 | 0

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How to neatly alternate between two different statements at different intervals
counter=0; Limit=10; for i=1:100 counter=counter+1; if counter<=Limit disp('A') else disp('B') counter...

6日前 | 0

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Help parsing predictably messy data
function getdata=a1(fname) % read file sections, return as cell array of sections for subsequent use fid=fopen(fname,'r'); ...

6日前 | 0

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Sorting Table Data by Groups of Rows
If the number of missing values is always 9, then extract the time column to a vector and t=datatable(:,1); % retrieve th...

6日前 | 0

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Finding first rightmost non-zero column of a matrix?
Same solution as the other except search from the other end... find(any(A),1,'last') I think Azzi's solution there doesn't fin...

6日前 | 0

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Extract columns from multiple csv files
targetColumn=3; % don't bury magic numbers, use input() to set, maybe... rootdir = 'C:\Work\TESTIN...

6日前 | 0

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To generate alternate 0's and 1's
One brute force way-- B=[]; for i=1:numel(A) B=[B (1-mod(i,2))*ones(1,A(i))]; end

6日前 | 1

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How to solve "Matrix dimensions must agree" getting from Matlab.
OK...still a little unclear but I think I've got enough of a picture to at least lay out the general idea. It'd be a lot easier...

6日前 | 0

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Data Linking And value reassignment for variables
I presume the "~-0" clause is to not eliminate i==j? Or can there be actual identical matches elsewhere? Either way the first...

7日前 | 0

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Troubleshooting Import big excel file
>> t=readtable('export.csv'); >> whos t Name Size Bytes Class Attributes t 45x255 ...

7日前 | 1

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How to solve "Matrix dimensions must agree" getting from Matlab.
if ('difficult = 0-back') & ('sleepstate = SD') is bad syntax on many fronts. First you've built a quoted string by usin...

7日前 | 0

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Help concatenating a table row to a specific excel spreadsheet?
outputTable=table(VarNameStr,Screen_Grasp_Average,Grasp_Release_Average,difference); writetable(outputTable,D:\LocationName\Dat...

8日前 | 0

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FFT - How is the signal distributed between different frequency bins?
The frequency bins are fixed by the sampling rate; the magnitude of each bin is determined by the computation of the fourier coe...

8日前 | 1

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Plot function into subplots
for i=1:3 hAx(i)=subplot(3,1,i); plot(x(:,i),y(:,i)); end presuming all x,y are same length. If they're not, then savin...

8日前 | 0

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Colormap utility - two axes in colorbar
Yeah, it's doable...refinements needed, but general idea works. Z = peaks(20); [~,hCF]=contourf(Z,10); hAx=gca; ...

9日前 | 1

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Set Properties.VariableContinuity to a single column in a timetable?
Per the documentation, ". This property can be an empty array, which is the default. If the array is not empty, then the number ...

9日前 | 0

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download excel from web, webread doesn't work
Ah! That's actually a link to an Excel spreadsheet file, not web service data. Use websave('UMichSurvey.xls',url) ...

9日前 | 0

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functions suddenly connected after restart
Apparently focus was in the editor and some of your keystrokes CTRL^C got interpreted to paste and some extra end statements wer...

9日前 | 0

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How to set mmmm dd, yyyy as per our choice in the datestr command?
datestr(datetime(2017,9,2,2,0,0))

10日前 | 0

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Avoiding automatic sorting of eigenvalues
EIG() does NOT return sorted values; it returns them to the user in the order in which the underlying LAPACK routine calculates ...

10日前 | 1

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How to display a vector in edit text in MATLAB?
By default it appears the Edit control converts an array to a column array of values and you can't display that in one row...if ...

10日前 | 0

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remove first element in cell and do not change index of other element
You're overthinking the problem...the first index is always 1... >> cellfun(@(a) 2:numel(a),A,'uni',0) ans = 1×3 cell array...

11日前 | 0

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a big cell array
Follow the documentation--for xlswrite, every cell element has to be a single value. So, if your array has cells (or any single...

11日前 | 0

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How can I include Tukey (HSD) result in my boxlpot as "a" and/or "b" indicating whether there is a significant difference or not between the groups?
Kinda' a fun one... :) First, make sure your boxplot is gca, then the following seems to be pretty robust...the one probably un...

11日前 | 1

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