Community Profile

photo

dpb


4,240 total contributions since 2012

Contact

dpb's Badges

  • Master
  • Thankful Level 2
  • 36 Month Streak
  • Revival Level 1
  • Knowledgeable Level 4
  • First Answer
  • Solver

View details...

Contributions in
View by

Answered
Time format printing too much
I presume your complaint is the range label automagically shown for datetime axes. Seems there should be a way for user to turn...

19 hours ago | 1

| accepted

Answered
How to change the linewidth of the axes without affecting the linewidth of the legend box?
Use the two object handles to set their respective properties--although legend does inherit axes properties such as the linewidt...

24 hours ago | 0

Answered
Output argument "v" (and maybe others) not assigned during call to "Deflection_vmndangi".
None of the conditions will be met if you pass a vector as you have written the IF tests. IF is true iff (if and only if) all e...

1 day ago | 0

| accepted

Answered
plus/minus inside fprinf statement
pmchar=char(177); fprintf(['The measured volume of %fmm^{3} ' pmchar '%fmm^{3} is equal to\nthe specified volume of %fmm^{3} ' ...

4 days ago | 0

Answered
How can I Write a code that will allow a vector of positive integers in x, as a user input, to evaluate the equation listed below.For odd numbers we will use the following equation
x= input('\nPlease input a 5 values in vector notation:'); b=nan(size(x)); % initialize to something isodd=mod(x,2...

4 days ago | 0

| accepted

Answered
Do functions listen to global variables under while loops (Stopping functions)
pressure = readDevicepressure while pressure == 0 (x, y, z) = function(move the pressure reader to x,y,z) end only re...

4 days ago | 0

| accepted

Answered
I am not getting the correct answer when using datetime function
>> datetime(43100,'ConvertFrom','excel') ans = datetime 31-Dec-2017 00:00:00 >> You tried converting from (yr,mo,day...

5 days ago | 1

| accepted

Answered
How do I determine which model fits my data the best?
I'd start by returning the second, optional gof (goodness of fit) output variable that contains Field Valu...

6 days ago | 0

| accepted

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...

7 days 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...

8 days 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...

9 days ago | 0

| accepted

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 [] ...

10 days ago | 0

| accepted

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 = ...

11 days ago | 0

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

12 days 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,[...

12 days ago | 0

| accepted

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...

14 days ago | 0

| accepted

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....

14 days 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...

16 days ago | 0

| accepted

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(...

19 days ago | 3

| accepted

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...

19 days 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...

21 days ago | 0

| accepted

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...

21 days ago | 0

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

22 days 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...

22 days 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...

22 days 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...

23 days 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...

23 days 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',...

24 days 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...

25 days ago | 0

| accepted

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...

26 days ago | 0

| accepted

Load more