A répondu

I have a text file with 10 lines and 5 columns. I need to write a value (zero or one) at the end of each row, that is, in the last column of each row. How can i do this?

dlmwrite is deprecated, though you could use it in a similar fashion as below: fname = 'filename.txt'; outname = 'out.txt'; M...

I have a text file with 10 lines and 5 columns. I need to write a value (zero or one) at the end of each row, that is, in the last column of each row. How can i do this?

dlmwrite is deprecated, though you could use it in a similar fashion as below: fname = 'filename.txt'; outname = 'out.txt'; M...

3 mois il y a | 0

A répondu

How to skip years with no data when reading the data from a website

You could use continue to move to the next iteration of the for loop.

How to skip years with no data when reading the data from a website

You could use continue to move to the next iteration of the for loop.

3 mois il y a | 0

| A accepté

A répondu

DES implementation in MATLAB faacing error in performing XOR operation

a and b apparently do not have the same number of characters. You can confirm this by displaying their sizes: size(a) size(b) ...

DES implementation in MATLAB faacing error in performing XOR operation

a and b apparently do not have the same number of characters. You can confirm this by displaying their sizes: size(a) size(b) ...

3 mois il y a | 0

A répondu

Is there a way to find the x & y intercepts and give it a label?

[~, idx] = min(abs(H_system_Open-pump_curve)); plot(Q(idx), pump_curve(idx),'k*') text(Q(idx),pump_curve(idx),'Label') If you...

Is there a way to find the x & y intercepts and give it a label?

[~, idx] = min(abs(H_system_Open-pump_curve)); plot(Q(idx), pump_curve(idx),'k*') text(Q(idx),pump_curve(idx),'Label') If you...

3 mois il y a | 0

A répondu

splitting range of rows in separate column

A = readmatrix('filename.xlsx'); len = size(A,1); % Make sure array length is divisible by 17. B = padarray(A,[17-mod(len,17)...

splitting range of rows in separate column

A = readmatrix('filename.xlsx'); len = size(A,1); % Make sure array length is divisible by 17. B = padarray(A,[17-mod(len,17)...

4 mois il y a | 0

| A accepté

A répondu

Data extraction after parallel computing

To debug a parfor loop, first remove the par and try to run it as a normal loop. It's possible something in your funcList is no...

Data extraction after parallel computing

To debug a parfor loop, first remove the par and try to run it as a normal loop. It's possible something in your funcList is no...

4 mois il y a | 0

A répondu

Plotting a legend without displaying data on UIAxes

colororder = {'r','g','b','c','m'}; x = rand(100,5); label = cellstr(num2str([1:1:size(x,2)]', 'cluster%d')); % Plot a p...

Plotting a legend without displaying data on UIAxes

colororder = {'r','g','b','c','m'}; x = rand(100,5); label = cellstr(num2str([1:1:size(x,2)]', 'cluster%d')); % Plot a p...

4 mois il y a | 0

| A accepté

A répondu

rename single .txt file with changing seed number

Do you know the seed? testSeed = 454; NewTest = strcat('C:\Users\PC\Desktop\TestData', num2str(testSeed), '.txt') If you want...

rename single .txt file with changing seed number

Do you know the seed? testSeed = 454; NewTest = strcat('C:\Users\PC\Desktop\TestData', num2str(testSeed), '.txt') If you want...

4 mois il y a | 1

| A accepté

A répondu

How to export sub/nested structures using writestruct?

If you want to write to a single output file, writestruct() already supports nested structs containing scalar or vector values. ...

How to export sub/nested structures using writestruct?

If you want to write to a single output file, writestruct() already supports nested structs containing scalar or vector values. ...

4 mois il y a | 0

| A accepté

A répondu

How to export sub/nested structures using writestruct?

In step 3, you are trying to do an rmfield operation on a string array (rmfield is for structs only). If you want to remove the ...

How to export sub/nested structures using writestruct?

In step 3, you are trying to do an rmfield operation on a string array (rmfield is for structs only). If you want to remove the ...

5 mois il y a | 0

A répondu

underwater acoustic wave Signal to Noise Ratio (SNR)

Your individual noise sources add up to a decreasing signal, and I'm not sure af is on the right scale. Should S in the noise e...

underwater acoustic wave Signal to Noise Ratio (SNR)

Your individual noise sources add up to a decreasing signal, and I'm not sure af is on the right scale. Should S in the noise e...

5 mois il y a | 1

A répondu

How to avoid rounding error

Matlab is simply truncating the displayed value for ease of reading. format longG sqrt(10001) In both cases, the actual value...

How to avoid rounding error

Matlab is simply truncating the displayed value for ease of reading. format longG sqrt(10001) In both cases, the actual value...

5 mois il y a | 0

| A accepté

A répondu

I keep getting this error...

In your workspace, does a already exist, or some other arduino object? if so, type clear a (or the other relevant object) in ...

I keep getting this error...

In your workspace, does a already exist, or some other arduino object? if so, type clear a (or the other relevant object) in ...

5 mois il y a | 1

A répondu

Graph gives warning : function behaves unexpectedly on array inputs. What does this mean?

You are using matrix (linear algebra) operators, which include * and ^. If you try to calculate the function directly, You get a...

Graph gives warning : function behaves unexpectedly on array inputs. What does this mean?

You are using matrix (linear algebra) operators, which include * and ^. If you try to calculate the function directly, You get a...

5 mois il y a | 1

| A accepté

A répondu

Creating a struct with means and standard deviations

It looks like you want an array of structs. Use strings or uint64 for the IDs S = struct('id',uint64(123456),'mean',rand(3),'st...

Creating a struct with means and standard deviations

It looks like you want an array of structs. Use strings or uint64 for the IDs S = struct('id',uint64(123456),'mean',rand(3),'st...

5 mois il y a | 0

| A accepté

A répondu

How to make specific elements of a cell equal to zero?

If there's a single value in each cell, you could first convert to a matrix. A = num2cell(rand(3)) Amat = cell2mat(A); Amat...

How to make specific elements of a cell equal to zero?

If there's a single value in each cell, you could first convert to a matrix. A = num2cell(rand(3)) Amat = cell2mat(A); Amat...

5 mois il y a | 0

| A accepté

A répondu

I want to draw a scatterplot but there's a problem about range of color

To specify a custom range, you can use a pre-defined RGB colormap (replace 6 with 101 or whatever is appropriate) c1 = parula(6...

I want to draw a scatterplot but there's a problem about range of color

To specify a custom range, you can use a pre-defined RGB colormap (replace 6 with 101 or whatever is appropriate) c1 = parula(6...

5 mois il y a | 0

| A accepté

A répondu

For loop error, not getting desired output

At the end of the inner for loop, you set all_correct(columns,1) = correct; Columns == 3 forever, and correct == 4 by that poi...

For loop error, not getting desired output

At the end of the inner for loop, you set all_correct(columns,1) = correct; Columns == 3 forever, and correct == 4 by that poi...

5 mois il y a | 0

| A accepté

A répondu

Swapping of data points

The hopping happens because the output of roots() isn't sorted in a way that is useful for this script. Further, when you use s...

Swapping of data points

The hopping happens because the output of roots() isn't sorted in a way that is useful for this script. Further, when you use s...

5 mois il y a | 1

A répondu

pdeplot3d "value of 'colormapdata' is invalid" or "Length of colormapdata vector must equal number of nodes."

I'm not familiar with this toolbox, but... You have a 3D model, but only 2D flux. [qx,qy,qz] = evaluateHeatFlux(thermalresults...

pdeplot3d "value of 'colormapdata' is invalid" or "Length of colormapdata vector must equal number of nodes."

I'm not familiar with this toolbox, but... You have a 3D model, but only 2D flux. [qx,qy,qz] = evaluateHeatFlux(thermalresults...

5 mois il y a | 0

| A accepté

A répondu

How to sum two gaussian curve fits (cfit) ?

You could evaluate the fits and add them, though they would no longer be cfits. x = linspace(20,35); F1pts = feval(F1,x); F2p...

How to sum two gaussian curve fits (cfit) ?

You could evaluate the fits and add them, though they would no longer be cfits. x = linspace(20,35); F1pts = feval(F1,x); F2p...

8 mois il y a | 1

| A accepté

A répondu

how to work with text files?

fopen is for low-level file operations you may not need. Perhaps try data = importdata('stud_ex.txt') Which will give you a s...

how to work with text files?

fopen is for low-level file operations you may not need. Perhaps try data = importdata('stud_ex.txt') Which will give you a s...

8 mois il y a | 0

| A accepté

A répondu

why is this Matlab Code faster than the C++ code below? I want to understand what Matlab internally does better and faster than C++

I see an efficiency in primes.counter = primes.counter - 1; Matlab uses LAPACK for matrix/vector operations, which I think sho...

why is this Matlab Code faster than the C++ code below? I want to understand what Matlab internally does better and faster than C++

I see an efficiency in primes.counter = primes.counter - 1; Matlab uses LAPACK for matrix/vector operations, which I think sho...

8 mois il y a | 1

| A accepté

A répondu

Changing numbers in dataset

For only five values, I think it's pretty efficient to do a direct replacement: ds_new = zeros(size(dataset)) ds_new(dataset =...

Changing numbers in dataset

For only five values, I think it's pretty efficient to do a direct replacement: ds_new = zeros(size(dataset)) ds_new(dataset =...

8 mois il y a | 1

A répondu

Where is the error in my code?

The colon operator has a default spacing of 1. r = 0:0.07 gives: 0, % next value... 1 > 0.07 % so r = [0] Use an intermedi...

Where is the error in my code?

The colon operator has a default spacing of 1. r = 0:0.07 gives: 0, % next value... 1 > 0.07 % so r = [0] Use an intermedi...

8 mois il y a | 0

A répondu

Issues updating vector inside a for loop

When find doesn't find any values > 0.999, it returns an empty vector, with a size of 0x1. Furthermore, max returns an empty vec...

Issues updating vector inside a for loop

When find doesn't find any values > 0.999, it returns an empty vector, with a size of 0x1. Furthermore, max returns an empty vec...

8 mois il y a | 0

| A accepté

A répondu

Increasing Edge Lines in a Surface Plot

sf = fit([x,u],z,'poly15','normalize','on'); xpts = linspace(min(x),max(x),100); upts = linspace(min(u),max(u),100); [xx, uu]...

Increasing Edge Lines in a Surface Plot

sf = fit([x,u],z,'poly15','normalize','on'); xpts = linspace(min(x),max(x),100); upts = linspace(min(u),max(u),100); [xx, uu]...

8 mois il y a | 0

| A accepté

Question

Is there a good reason for choosing assert() over an if condition with an error?

I want to make sure a condition is valid, so I write a quick test for it with a boolean output. Does it matter whether I put the...

9 mois il y a | 1 réponse | 1

A répondu

How to plot a .txt file when the data is in blocks and each data is separated by space

Wow, that is an inconvenient format. One option is to use the data import tool--right-click on the text file in matlab and "imp...

How to plot a .txt file when the data is in blocks and each data is separated by space

Wow, that is an inconvenient format. One option is to use the data import tool--right-click on the text file in matlab and "imp...

9 mois il y a | 0

| A accepté