3,456 total contributions since 2018

Communication through MATLAB is always better than arguing.

Answered

Error: Unbalanced or unexpected parenthesis or bracket

I think name is variable, it's simply (there is no need for eval): x = name(:,1); y = name(:,2); z = name(:,3);

Error: Unbalanced or unexpected parenthesis or bracket

I think name is variable, it's simply (there is no need for eval): x = name(:,1); y = name(:,2); z = name(:,3);

11 days ago | 0

| accepted

Question

How to read this file in MATLAB?

I am having trouble reading the datas.

11 days ago | 2 answers | 0

Answered

Indexing a Matrix with a for loop

for ii = 1:numel(z) % don't name variables i or j (because they are interpreted as imaginary numbers by default)

Indexing a Matrix with a for loop

for ii = 1:numel(z) % don't name variables i or j (because they are interpreted as imaginary numbers by default)

1 month ago | 1

| accepted

Answered

Delete element of an array on the basis of other arrays

U = T(Y>SETT)

Delete element of an array on the basis of other arrays

U = T(Y>SETT)

1 month ago | 0

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Answered

How to enter this function

https://www.mathworks.com/help/matlab/learn_matlab/desktop.html

How to enter this function

https://www.mathworks.com/help/matlab/learn_matlab/desktop.html

2 months ago | 0

Answered

Help on text and colours

https://in.mathworks.com/help/matlab/ref/matlab.graphics.chart.primitive.line-properties.html https://in.mathworks.com/help...

Help on text and colours

https://in.mathworks.com/help/matlab/ref/matlab.graphics.chart.primitive.line-properties.html https://in.mathworks.com/help...

2 months ago | 0

Answered

How can I combine all the column vectors in to one column vector

Don’t name variables , if you would have all the vectors as cells it would have been much easier. X =[x1,x2...,xn] Xmean...

How can I combine all the column vectors in to one column vector

Don’t name variables , if you would have all the vectors as cells it would have been much easier. X =[x1,x2...,xn] Xmean...

2 months ago | 0

| accepted

Answered

how to delete cells in a cell array, such that it has the same length as one of my other arrays

Y(1:numel(X))

how to delete cells in a cell array, such that it has the same length as one of my other arrays

Y(1:numel(X))

2 months ago | 0

| accepted

Answered

Change value of states "active" to 1 and "rest" to -1

stats.state(ismember(stats.state,'rest'),:) = '-1'; stats.state(ismember(stats.state,'active'),:)= '1'

Change value of states "active" to 1 and "rest" to -1

stats.state(ismember(stats.state,'rest'),:) = '-1'; stats.state(ismember(stats.state,'active'),:)= '1'

2 months ago | 0

| accepted

Answered

How to Create Vector Function File

I don’t have any suggestions on how to improve it for as for your confusion regarding the error message: In your first file E...

How to Create Vector Function File

I don’t have any suggestions on how to improve it for as for your confusion regarding the error message: In your first file E...

2 months ago | 0

Answered

foor loop add function values to an empty vector

How to use for loop to store values MATLAB ? [Google search]

foor loop add function values to an empty vector

How to use for loop to store values MATLAB ? [Google search]

2 months ago | 0

Answered

Index in position 1 exceeds array bounds (must not exceed 1)

clear all % you're probably shadowing the inbuilt function input()\fprintf() %or clear input fprintf

Index in position 1 exceeds array bounds (must not exceed 1)

clear all % you're probably shadowing the inbuilt function input()\fprintf() %or clear input fprintf

2 months ago | 0

Answered

How to implement a formula involving several elements of the same vector?

https://in.mathworks.com/company/newsletters/articles/matrix-indexing-in-matlab.html - for better understanding peak_resolution...

How to implement a formula involving several elements of the same vector?

https://in.mathworks.com/company/newsletters/articles/matrix-indexing-in-matlab.html - for better understanding peak_resolution...

2 months ago | 1

Answered

Symbolic Toolbox Integration Error

You probably have a variable named int, clear that workspace using: clear int %or clear all

Symbolic Toolbox Integration Error

You probably have a variable named int, clear that workspace using: clear int %or clear all

2 months ago | 1

| accepted

Answered

How to get the index of a value in a table?

index = find(TABLE{:,:}==specific_value) %or [~,index] = ismember(specific_value,TABLE{:,:}) If you're dealing with decimals ...

How to get the index of a value in a table?

index = find(TABLE{:,:}==specific_value) %or [~,index] = ismember(specific_value,TABLE{:,:}) If you're dealing with decimals ...

2 months ago | 0

| accepted

Answered

Count in a loop

N = 100; % no loops needed p_x= -1+(1+1)*rand(N,1); p_y= -1+(1+1)*rand(N,1); p = sqrt(p_x.^2 + p_y.^2); fprintf('N...

Count in a loop

N = 100; % no loops needed p_x= -1+(1+1)*rand(N,1); p_y= -1+(1+1)*rand(N,1); p = sqrt(p_x.^2 + p_y.^2); fprintf('N...

2 months ago | 1

Answered

How to use cellstr() without losing whitespace character?

Wanted = num2cell(your_char_array,2)

How to use cellstr() without losing whitespace character?

Wanted = num2cell(your_char_array,2)

2 months ago | 1

Answered

how to plot cell array

I don’t why you’re saying multidimensional cell array all I see in the picture is a cell array containing character array. ...

how to plot cell array

I don’t why you’re saying multidimensional cell array all I see in the picture is a cell array containing character array. ...

2 months ago | 0

| accepted

Answered

Store values from a for loop into a matrix

RARmat = zeros(65, 3) for ii = 1:65 RARatio = AUC/RA; disp(RARatio) % RAR Matrix RARmat(ii, :) ...

Store values from a for loop into a matrix

RARmat = zeros(65, 3) for ii = 1:65 RARatio = AUC/RA; disp(RARatio) % RAR Matrix RARmat(ii, :) ...

2 months ago | 0

| accepted

Answered

Creating a MatLab code to convert numerical grades into letter grades.

You should loop through mn and save the results as a cell array in a variable which is preallocated before loop using indexing. ...

Creating a MatLab code to convert numerical grades into letter grades.

You should loop through mn and save the results as a cell array in a variable which is preallocated before loop using indexing. ...

2 months ago | 0

Answered

How can I deleate or replace with a 0 all the Nan, Inf anf -Inf values in a time series from the biggining to the end?

a(isinf(a)|isnan(a))=0 % replaces with zero

How can I deleate or replace with a 0 all the Nan, Inf anf -Inf values in a time series from the biggining to the end?

a(isinf(a)|isnan(a))=0 % replaces with zero

2 months ago | 0

Answered

Showing error Matrix dimensions must agree

theta =0:2*pi:100; r=linspace(0,100,numel(theta)); % theta and r should have same length/ or either one be a scalar z=2*(r-4*...

Showing error Matrix dimensions must agree

theta =0:2*pi:100; r=linspace(0,100,numel(theta)); % theta and r should have same length/ or either one be a scalar z=2*(r-4*...

2 months ago | 0

Answered

how to find how many elements are there in a cell of an array?

No_of_elements = cellfun(@numel, cells)

how to find how many elements are there in a cell of an array?

No_of_elements = cellfun(@numel, cells)

2 months ago | 0

| accepted

Answered

Assign values of a result to an input variable.

That’s not a good idea, see https://in.mathworks.com/matlabcentral/answers/304528-tutorial-why-variables-should-not-be-named-dyn...

Assign values of a result to an input variable.

That’s not a good idea, see https://in.mathworks.com/matlabcentral/answers/304528-tutorial-why-variables-should-not-be-named-dyn...

2 months ago | 0

| accepted

Answered

I keep getting a 'parse error' at '='

Change arctan() to *atan()* and y=0 to *y==0*. doc if

I keep getting a 'parse error' at '='

Change arctan() to *atan()* and y=0 to *y==0*. doc if

2 months ago | 0

| accepted

Answered

Create a 34 element column vector, PiVec, where every element is the irrational number pi

Use those commands and add/multiply with which number you want the elements to be. doc ones doc zeros

Create a 34 element column vector, PiVec, where every element is the irrational number pi

Use those commands and add/multiply with which number you want the elements to be. doc ones doc zeros

2 months ago | 0

Answered

how to convert answer to one single number

f = @(x) 2.048*exp(-((x-5.056)/0.2349).^2) +... 1.089*exp(-((x-4.887)/0.4006).^2) +... 0.4116*exp(-((x-9.103)/5.731).^...

how to convert answer to one single number

f = @(x) 2.048*exp(-((x-5.056)/0.2349).^2) +... 1.089*exp(-((x-4.887)/0.4006).^2) +... 0.4116*exp(-((x-9.103)/5.731).^...

2 months ago | 0

| accepted