Answered

Weekly Average per Year For Loop

No loops should be needed. If you haven't convert the date data to ML datetime and then compute the grouping variable wkyr as ...

Weekly Average per Year For Loop

No loops should be needed. If you haven't convert the date data to ML datetime and then compute the grouping variable wkyr as ...

2 days ago | 0

Answered

Begginer's Question about matrixes

press=Ps*(1+(Lb/Ts)*altitude).^(-g0*M/R*Lb); dp=diff(press); "The Matlab way" is to use the vectorized abilities built into op...

Begginer's Question about matrixes

press=Ps*(1+(Lb/Ts)*altitude).^(-g0*M/R*Lb); dp=diff(press); "The Matlab way" is to use the vectorized abilities built into op...

2 days ago | 0

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Answered

Function doesn't return a vector from a vector input

Yes, you didn't read about logical IF if Ffork0+Inc_Ffork*t <= Ffork_max is True iff every element of Ffork0+Inc_Ffork*t is <=...

Function doesn't return a vector from a vector input

Yes, you didn't read about logical IF if Ffork0+Inc_Ffork*t <= Ffork_max is True iff every element of Ffork0+Inc_Ffork*t is <=...

2 days ago | 1

Answered

Unspecified coefficients from function 'fit'

fit returns a fit object (either cfit or sfit, depending on curve or surface). There are functions to return things out of the ...

Unspecified coefficients from function 'fit'

fit returns a fit object (either cfit or sfit, depending on curve or surface). There are functions to return things out of the ...

5 days ago | 0

Answered

Mean of a subset of columns for every row

N=10; M=reshape(mean(reshape(Data.',N,[])),size(Data,2)/N,[]).';

Mean of a subset of columns for every row

N=10; M=reshape(mean(reshape(Data.',N,[])),size(Data,2)/N,[]).';

5 days ago | 1

| accepted

Answered

how to set stacked bar graph legend?

Did you try legend('A','B','C') ???

how to set stacked bar graph legend?

Did you try legend('A','B','C') ???

5 days ago | 0

| accepted

Answered

Hello , I have an issue with getting everything to show on my figure correctly. I made four subplots but for some reason my 4th subplot is not showing and also the legend, text and title is not showing correctly either

You plot() BEFORE you create the subplot; so the first plot is killed/destroyed after it is made when the subplot(2,2,1) call i...

Hello , I have an issue with getting everything to show on my figure correctly. I made four subplots but for some reason my 4th subplot is not showing and also the legend, text and title is not showing correctly either

You plot() BEFORE you create the subplot; so the first plot is killed/destroyed after it is made when the subplot(2,2,1) call i...

6 days ago | 1

Answered

Title for each table in one figure

Whole lot of code to wade through but the first little bit is just N = 15; Alpha0=0.05; alpha=Alpha0./(N:-1:1); I don't do G...

Title for each table in one figure

Whole lot of code to wade through but the first little bit is just N = 15; Alpha0=0.05; alpha=Alpha0./(N:-1:1); I don't do G...

6 days ago | 0

| accepted

Answered

Copying arrays from another file

You don't "copy", you just read each file and catenate the (I presume) 2D array to the third dimension of the initial array. d=...

Copying arrays from another file

You don't "copy", you just read each file and catenate the (I presume) 2D array to the third dimension of the initial array. d=...

9 days ago | 0

Answered

Function inside for loop that calls multi-column variables

Vectorize the function instead..."the MATLAB way" function [d1km]=latlondist(LL1,LL2) RADIUS=6371; LL1=deg2rad(LL1); L...

Function inside for loop that calls multi-column variables

Vectorize the function instead..."the MATLAB way" function [d1km]=latlondist(LL1,LL2) RADIUS=6371; LL1=deg2rad(LL1); L...

9 days ago | 0

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Answered

How to find n number of low value's position or column number from a cell ?

NtoFind=5; [Mn,iMn]=mink(X,NtoFind);

How to find n number of low value's position or column number from a cell ?

NtoFind=5; [Mn,iMn]=mink(X,NtoFind);

11 days ago | 0

Answered

MATLAB syntax (parantheses without intermediate steps)

Because to date TMW has chosen to not implement post-addressing expressions on results. "WHY?" you'd have to ask TMW and it's u...

MATLAB syntax (parantheses without intermediate steps)

Because to date TMW has chosen to not implement post-addressing expressions on results. "WHY?" you'd have to ask TMW and it's u...

12 days ago | 0

| accepted

Answered

rounding to zero small numbers (NOT round function)

No. ML basic numeric type is the floating point double which around zero has roughly the above magnitude of precision. You'll ...

rounding to zero small numbers (NOT round function)

No. ML basic numeric type is the floating point double which around zero has roughly the above magnitude of precision. You'll ...

19 days ago | 1

Answered

How to identify traces in a plot

You could use the 'Tag' line property to add an identifier to each when created or use the legend 'DisplayName' which is also se...

How to identify traces in a plot

You could use the 'Tag' line property to add an identifier to each when created or use the legend 'DisplayName' which is also se...

20 days ago | 0

Answered

saving in a specific text file format

>> fmt='%8.3f,%8.3f\n' fmt = '%8.3f,%8.3f\n' >> fprintf(fmt,A.') 25.000, 10.000 26.000, 9.000 >>

saving in a specific text file format

>> fmt='%8.3f,%8.3f\n' fmt = '%8.3f,%8.3f\n' >> fprintf(fmt,A.') 25.000, 10.000 26.000, 9.000 >>

20 days ago | 0

Answered

how can I find the distance between succesive points in a big matrix

d=diff(xy); % presume 2D array is xy d=hypot(d(:,1),d(:,2)); pdist may be as fast even though computes all p...

how can I find the distance between succesive points in a big matrix

d=diff(xy); % presume 2D array is xy d=hypot(d(:,1),d(:,2)); pdist may be as fast even though computes all p...

22 days ago | 0

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Answered

Boxplot in a specified position in a subplot

... bar(max(kimpute)+1, ... % add boxplot onto right end of axis NX=max(kimpute)+1; % how many locations on ...

Boxplot in a specified position in a subplot

... bar(max(kimpute)+1, ... % add boxplot onto right end of axis NX=max(kimpute)+1; % how many locations on ...

22 days ago | 0

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Answered

How to use findpeaks function to give me the peak maxima within a particular length of time? How to find slopes of peaks?

The first Q? is you just pass the portion of the time series that encompasses whatever time span you wish -- how many points tha...

How to use findpeaks function to give me the peak maxima within a particular length of time? How to find slopes of peaks?

The first Q? is you just pass the portion of the time series that encompasses whatever time span you wish -- how many points tha...

25 days ago | 0

Answered

read certain rows and lines into array from txt file

opt=detectImportOptions('smtony.txt'); % get the base import object opt.SelectedVariableNames=opt.Sele...

read certain rows and lines into array from txt file

opt=detectImportOptions('smtony.txt'); % get the base import object opt.SelectedVariableNames=opt.Sele...

25 days ago | 0

Answered

how can i print an array using fprintf function?

You didn't put but one numeric formatting string in the format; hence, the whole thing repeats as often as needed to output the ...

how can i print an array using fprintf function?

You didn't put but one numeric formatting string in the format; hence, the whole thing repeats as often as needed to output the ...

26 days ago | 1

| accepted

Answered

Get data from a Cellstr

On the presumption there's a much larger lookup table in the real application... X=[17,21]; % lo...

Get data from a Cellstr

On the presumption there's a much larger lookup table in the real application... X=[17,21]; % lo...

27 days ago | 0

Answered

Assign a part of file name to a variable

m=str2num(char(extractBetween(myfolderinfo(i).name,'_','.')));

Assign a part of file name to a variable

m=str2num(char(extractBetween(myfolderinfo(i).name,'_','.')));

29 days ago | 0

| accepted

Answered

Warning: The assignment added rows to the table, but did not assign values to all of the table's existing variables. Those variables will extended with rows containing default values.

Apparently you had a table with N variables but only assigned values to a subset of those when adding rows. Example: >> x=rand...

Warning: The assignment added rows to the table, but did not assign values to all of the table's existing variables. Those variables will extended with rows containing default values.

Apparently you had a table with N variables but only assigned values to a subset of those when adding rows. Example: >> x=rand...

29 days ago | 0

| accepted

Answered

Timestamps on X axis from datetime

You've got to create datenum array to match to plot against for datetick to work correctly. Or you need to plot the x axes usin...

Timestamps on X axis from datetime

You've got to create datenum array to match to plot against for datetick to work correctly. Or you need to plot the x axes usin...

29 days ago | 0

Answered

HOW TO COMBINE TWO CELLS INTO ONE?

As Adam notes, you have two arrays as shown (I took the liberty to reformat the original Q? to make more legible) and there's a ...

HOW TO COMBINE TWO CELLS INTO ONE?

As Adam notes, you have two arrays as shown (I took the liberty to reformat the original Q? to make more legible) and there's a ...

1 month ago | 0

Answered

How to plot a graphic with different markers in a scatter plot?

"plot each "9 dots" in the graphic with "different marker.". Not each group." Wow. But, ok...that's simpler with plot than it ...

How to plot a graphic with different markers in a scatter plot?

"plot each "9 dots" in the graphic with "different marker.". Not each group." Wow. But, ok...that's simpler with plot than it ...

1 month ago | 0

Answered

How to create pseudo x-axis (or y-axis) tick labels?

With the background as to "why", basic idea would be something like Ratio=100/3; % the divisor for modifying the actual ...

How to create pseudo x-axis (or y-axis) tick labels?

With the background as to "why", basic idea would be something like Ratio=100/3; % the divisor for modifying the actual ...

1 month ago | 0

| accepted

Answered

Why is the or statement making something true?

"Am I doing something wrong with the | as or?" Yes you are...the above is the same as if Overall_max_score==(scores(1,3)|score...

Why is the or statement making something true?

"Am I doing something wrong with the | as or?" Yes you are...the above is the same as if Overall_max_score==(scores(1,3)|score...

1 month ago | 0

Answered

change datatype of x axes

Axes are not polymorphic--they require a given data type. You'll have to create two axes and select which to display depending ...

change datatype of x axes

Axes are not polymorphic--they require a given data type. You'll have to create two axes and select which to display depending ...

1 month ago | 1

| accepted

Answered

Function with structure field syntax

"You can also call a method using dot notation....It is not necessary to pass the object explicitly as an argument when using d...

Function with structure field syntax

"You can also call a method using dot notation....It is not necessary to pass the object explicitly as an argument when using d...

1 month ago | 0

| accepted