Answered

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...

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 día ago | 0

Answered

Problem with plotting dates

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

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 día ago | 0

Answered

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...

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 día ago | 0

Answered

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...

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 día ago | 0

Answered

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...

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 días ago | 0

| accepted

Answered

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...

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 días ago | 0

| accepted

Answered

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...

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 días ago | 0

Answered

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...

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...

5 días ago | 0

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Answered

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'); ...

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 días ago | 0

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Answered

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...

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 días ago | 0

Answered

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...

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 días ago | 0

| accepted

Answered

Extract columns from multiple csv files

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

Extract columns from multiple csv files

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

6 días ago | 0

Answered

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

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 días ago | 1

Answered

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...

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 días ago | 0

Answered

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...

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 días ago | 0

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Answered

Troubleshooting Import big excel file

>> t=readtable('export.csv'); >> whos t Name Size Bytes Class Attributes t 45x255 ...

Troubleshooting Import big excel file

>> t=readtable('export.csv'); >> whos t Name Size Bytes Class Attributes t 45x255 ...

7 días ago | 1

| accepted

Answered

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...

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 días ago | 0

Answered

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...

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 días ago | 0

| accepted

Answered

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...

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 días ago | 1

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Answered

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...

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 días ago | 0

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Answered

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; ...

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; ...

8 días ago | 1

| accepted

Answered

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 ...

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 días ago | 0

| accepted

Answered

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) ...

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 días ago | 0

| accepted

Answered

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...

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 días ago | 0

Answered

How to set mmmm dd, yyyy as per our choice in the datestr command?

datestr(datetime(2017,9,2,2,0,0))

How to set mmmm dd, yyyy as per our choice in the datestr command?

datestr(datetime(2017,9,2,2,0,0))

9 días ago | 0

Answered

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 ...

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 días ago | 1

Answered

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 ...

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 días ago | 0

Answered

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...

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...

10 días ago | 0

| accepted

Answered

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...

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 días ago | 0

Answered

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...

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 días ago | 1

| accepted