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...

1 month ago | 0

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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 [] ...

1 month ago | 0

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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 = ...

1 month ago | 0

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

1 month ago | 1

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,[...

1 month ago | 0

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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...

1 month ago | 0

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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....

1 month ago | 1

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...

1 month ago | 0

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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(...

1 month ago | 3

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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...

1 month ago | 0

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...

1 month ago | 0

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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...

1 month ago | 0

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

1 month ago | 0

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...

1 month ago | 0

(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...

1 month ago | 0

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...

1 month ago | 0

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...

1 month ago | 0

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',...

2 months ago | 0

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...

2 months ago | 0

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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...

2 months ago | 0

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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...

2 months ago | 1

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...

2 months ago | 0

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...

2 months ago | 0

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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 %...

2 months ago | 0

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 ...

2 months ago | 0

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...

2 months ago | 0

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...

2 months ago | 0

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...

2 months ago | 0

Plot polyfit R-squared
Because >> fittedXA(1),fittedXA(end) ans = 10 ans = 20 >> and that's what you plotted as the abscissa for some re...

2 months ago | 0

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