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3,459 total contributions since 2018

Communication through MATLAB is always better than arguing.

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int and subs function
Run: which subs -all which error -all In command window and paste the output here. It looks like you have a script na...

1 day ago | 0

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Question

Using least squares to find the x intercept.
I have a set of data points which represent the IV characteristics of a diode. I'm confused on how to get the threshold voltage ...

2 months ago | 1 answer | 0

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Question

Symbolic differentiation with respect to first derivative
Is it possible to make a derivative of an equation with respective to the first derivative . Illustration: syms x(t) eq...

2 months ago | 1 answer | 0

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Error using fsurf (too many functions) but success using ezsurf
Just vectorize the function and use function handles. To learn the proper usage of the functions that get you into a dilemma is ...

3 months ago | 0

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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);

3 months ago | 0

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Question

How to read this file in MATLAB?
I am having trouble reading the datas.

3 months ago | 2 answers | 0

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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)

4 months ago | 1

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Delete element of an array on the basis of other arrays
U = T(Y>SETT)

4 months ago | 0

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How to enter this function
https://www.mathworks.com/help/matlab/learn_matlab/desktop.html

4 months ago | 0

Help on text and colours
https://in.mathworks.com/help/matlab/ref/matlab.graphics.chart.primitive.line-properties.html https://in.mathworks.com/help...

5 months ago | 0

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...

5 months ago | 0

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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'

5 months ago | 0

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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...

5 months ago | 0

foor loop add function values to an empty vector
How to use for loop to store values MATLAB ? [Google search]

5 months ago | 0

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

5 months ago | 0

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...

5 months ago | 1

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

5 months ago | 1

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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 ...

5 months ago | 0

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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...

5 months ago | 1

How to use cellstr() without losing whitespace character?
Wanted = num2cell(your_char_array,2)

5 months ago | 1

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. ...

5 months ago | 0

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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, :) ...

5 months ago | 0

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

5 months ago | 0

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*...

5 months ago | 0

how to find how many elements are there in a cell of an array?
No_of_elements = cellfun(@numel, cells)

5 months ago | 0

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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...

5 months ago | 0

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I keep getting a 'parse error' at '='
Change arctan() to *atan()* and y=0 to *y==0*. doc if

5 months ago | 0

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