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dpb


4 232 total contributions since 2012

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Answered
How to display all decimal numbers for floating numbers?
I'll guess for homework Q? the answer is less esoteric than Walter's take... :) Yes, if you need more precision than the defaul...

environ 3 heures ago | 0

Answered
how can I loop a repmat function over columns of matrix?
Rereading, I guess it's just r=cell2mat(arrayfun(@(v,w) repelem(v,w,1),v,repmat(w,1,3),'uni',0)); for each array v. Naming v...

1 jour ago | 0

Answered
How Do I Plotting in Time Domain?
>> format bank >> 10/22.59*17066 ans = 7554.67 >> 10 rev/22.59 rev/sec * 17066 samples/sec --> samples/10 rev...

2 jours ago | 0

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Answered
Creating 2x2 matrix is slow
The attached profile specific lines constitute only 39% of the total so there's 61% elsewhere but the allocation issue using [] ...

3 jours ago | 0

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Answered
How to sum the intervals in matlab
v=[1000;800]; err=[0.5;-1.7]; intvl=[0 1;-2 -1]; intvN=[3;1]; newv=v.*[1+mean(intvl,2)/100]; Above yields >> newv newv = ...

4 jours ago | 0

Answered
sum of timetables for each months
totalvehicles=retime([buses;cars],'monthly',@sum);

5 jours ago | 1

Answered
Scatterplot with condition on another matrix
clr=[0 0 1; 0 0 0]; % blue, black RGB triplets c=clr((A>C)+1,:); % set which based on lookup scatter(A,B,[...

5 jours ago | 0

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Answered
whats wrong with this if block?
(different_salts_available==1||2||3||4||5) is bad syntax for if in MATLAB. It results in testing the result of the logical exp...

7 jours ago | 0

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Answered
How can we create two vectors have normally distributed random entries with zero mean?
>> uv=randn(1000,2); >> uv=uv/sqrt(sum(uv(:,1).*uv(:,2))); >> uv(:,1).'*uv(:,2) ans = 1.0000 >> mean(uv) ans = 0....

8 jours ago | 1

Answered
readtable not understood behaviour
You could make a textimportoptions object and use it with readtable but with the text file as text, I'd just scan it and then c...

9 jours ago | 0

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Answered
Generate random Bistochastic matrix with zero diagonals
function a=bistochastic(a,tol) % return bistochastic matrix from input nonnegative matrix if nargin<2, tol=0.001; end s1=sum(...

12 jours ago | 3

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Answered
undefined function 'isnan' for input arguments of type 'table'
Presuming the variables in data are named y and X, then nans = isnan(data.y) | (sum(isnan(data.X), 2) > 0); You have to select...

12 jours ago | 0

Answered
How can I access results from loop, that are stored in structs within a cell?
first_obs = 100; last_obs = 110; Nobs=last_obs-first_obs+1; % number rows to compute coeff_i=zeros(Nobs,3); % preallo...

14 jours ago | 0

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Answered
Write cell array defined by a variable to a excel file
"a cell array that I get after processing data which needs to be written to a excel file. For some reason, fprintf is not workin...

14 jours ago | 0

Answered
How to vectorize this for maximum efficiency?
>> histc(label_lin,unique(label_lin)) ans = 2 1 1 1 3 >>

15 jours ago | 0

Answered
Can not terminate execution with if/for loop
What's the point of needing to type anything else after the loop has completed its three iterations? At that point you've alrea...

15 jours ago | 0

Answered
(mapping toolbox) Map axes xdata, ydata and zdata meaning?
The map is still an axes underneath the hood so the internal property names are the same. But, the property name is just a name...

15 jours ago | 0

Answered
Can not terminate execution with if/for loop
Your break statement is in a nested for loop that is inside the while construct. break only exits the loop construct in which i...

16 jours ago | 0

Answered
Read multiple .mat files in the file path in sequence
for i=1:10 filename = sprintf('D:\matlab\0_cm(%d).mat',i); % build specific file name myVars = {'Scanning'}; S = load...

16 jours ago | 0

Answered
Extracting certain lines from a text file containing both characters and numbers
Presuming records (including blank lines) are as above, fid=fopen('HB.txt'); data=cell2mat(textscan(fid,'%f%f','headerlines',...

17 jours ago | 0

Answered
How do I split a sing column .txt file by line?
Again, I'd suggest there's no need to actually create multiple text files to do this...several options exist in MATLAB; the simp...

18 jours ago | 0

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Answered
How to make heatmap y-axis based on column names, not column values
data = [0 280 1170 0; 62 0 0 0]; VariableNames = {'colA', 'colB', 'colC', 'colD'}; rowid= {'rowA', 'rowB'}; hHM=heatmap(rowid...

19 jours ago | 0

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Answered
how to avoid scientific notation when dealing with large integers?
Well, in base MATLAB you can't have more than >> intmax('uint64') ans = uint64 18446744073709551615 >> which is only...

20 jours ago | 1

Answered
Problem in plotting the string variable
Nobody seems to have stumbled onto the easy answer as of yet...leaving the variable as a string when it is clearly a categorical...

20 jours ago | 0

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Getting values from a for loop when specific condition met
break is like drawing the "Go To Jail" card in Monopoly--you "go directly to jail, do not pass GO, do not collect $200". Here w...

21 jours ago | 0

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Answered
Controlled Random Generator based off of two columns
function x=trafficX(RP,LO) % returns random count of X within upper limit RP but evenly divisible factor with lower limit LO %...

21 jours ago | 0

Answered
How to sort a matrix's columns by using indexes
See doc sortrows Not clear which array it is you wish sorted but mayhaps can accomplish directly -- altho the auxiliary array ...

21 jours ago | 0

Answered
how to save all iteration output to plot graph later ?
In bending(i) = depl(1,:); you don't have but one index dimension on LHS in which you're trying to store a vector... Before the...

21 jours ago | 0

Answered
Switching an array of Vectors from Cartesian to Spherical Coordinates
The documentation syntax is pretty clear-- "[azimuth,elevation,r] = cart2sph(x,y,z) transforms corresponding elements of the Ca...

21 jours ago | 0

Answered
Question on Plotting from Cell Array
Dereference the cell array with the curlies "{}" for i=1:size(CA,2) scatter3(CA{i}(:,1),CA{i}(:,2),CA{i}(:,3)) if i==1,h...

22 jours ago | 0

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