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Alex Mcaulley


193 total contributions since 2019

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Answered
Plot array of x ,y both in 2 columns, got unexpected multiple line result.
Just one line is ploted. See this: % plot_array_result_in_multiple_line.m load('X.mat','X'); load('Y.mat','Y'); h = plot(log...

2 jours ago | 0

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Answered
Interpolation of zero values ​​in matlab
Try this: (Note that "cat" is not a good variable name because it is a Matlab function) [cat,nocat]=min(Animals); %readings fr...

3 jours ago | 0

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Find equal rows between cell array and matrix into for loop
A = [ -0.11 7.17 3.66 -0.09 3.45 1.55 -0.21 2.17 9.87 -0.14 4.88 6.66]; B = {[-0.09 3.45 1.55],[-0.14 4.88 6.66...

3 jours ago | 0

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How to insert vector into a Matrix?
Well, If you want to follow your current code, to obtain what you want yo just need to initialize t before the while: nSim=1 w...

6 jours ago | 0

Answered
Undefined function or variable 'batchNormalizationLayer'
Following the documentation, batchNormalizationLayer function was introduced in R2017b release. Then, you need to update your Ma...

9 jours ago | 0

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for loop, assign variable
As Bjorn Gustavsson said your code make no sense. To calculate distances you have to use the coordinates of each pixel, not mixi...

9 jours ago | 0

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How to retrieve only positive values with indexing in matrix
ind = find(A>0); B = [ind',A(ind)'] A = 3 8 4 7 6 11 7 4 8 3 11 6

10 jours ago | 0

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Answered
strcmp not working correctly
The problem is in your call to strcmp: behaviours_currframe.ID = {'pedestrian4','ped2', 'ped3'}; label = 'pedestrian4'; mas...

10 jours ago | 0

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Mapping 2 matrices with different number of columns.
Try this: InstrFXRates = UniqFXRates(:,IndFX)

11 jours ago | 1

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Answered
Avoid for loop to increase processing in image processing.
It is just masking your RGB image. Isn't it? skin_img = repmat(labelism,[1,1,3]).*colorim;

11 jours ago | 1

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Answered
Reading excel sheetname n extracting data from that using matlab
Using xlsread num = xlsread(filename,sheet) %Sheet can be a number or an existing sheet name You can use also xlsfinfo to obta...

11 jours ago | 1

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Answered
This statement is not inside any function. (It follows the END that terminates the definition of the function "my_loadxcat_full".)
Your last line is out of the function, you need to put it inside: function model = my_loadxcat_full(filename) p=3; fi...

17 jours ago | 0

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Answered
How can I create a loop for this equation?
With a loop: demand = rand(100,1); L = zeros(9,1); for t = 4:12 L(t-3) = initiallevel(t,demand) end Using arrayfun de...

17 jours ago | 0

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Answered
imshow map image segmentation
You just need to tune the rectangle in the imcrop call to adjust it to the result you want. For example: I=imread('mri.jpg'); ...

18 jours ago | 0

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bwferet function gives error
bwferet function was introduced in R2019a release as can be seen in the Matlab documentation. Then, to use it you need to update...

18 jours ago | 0

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File attachments in MATLAB Answers open as links
You need to click with the right button of the mouse the link and then click in "Save link as".

19 jours ago | 1

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Answered
Loops question,I think its for loops
It is not difficult (No loops needed): function cost = calculateCost(units) if units < 1000 cost = %write the for...

19 jours ago | 1

Answered
How to turn a column of seconds into the datetime-type?
Being T your table: [Y,M,D,H,MN,S] = datevec(zinterval); T.TIME_S = datetime(Y,M,D,H,MN,S + T.TIME_S);

19 jours ago | 1

Answered
for loop and get previous value for current calculation
x2 = zeros(numel(soc),1); %Preallocation x2(1) = 0.01*(soc_ref-soc(1)); %Initialization for t = 2:numel(soc) x2(t) = 0.01...

19 jours ago | 0

Answered
A problem related to symbolic function.
Try this: isa(fun,'symfun')

19 jours ago | 0

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Answered
How to subplot 3 graphs in 1 figure?
Take a look to subplot

20 jours ago | 1

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Answered
Count number of elements in y-axis that correspond to a range of elements in x-axis
Using histcounts: If you have: x % -> time y % -> distances edges = 0:maxTime; % Define de edges you want to define the bi...

20 jours ago | 0

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Answered
How to calculate difference between two dates when my date is in dd-mm format only
Using datetime: A = [6 9 10 1 7 15 8 15 11 15 12 4]; t = datetime(zeros(size(...

20 jours ago | 0

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Answered
How to find sum of all pixels in rows whose value is 1 ?
Being im your image: sum(im==1,2)

20 jours ago | 1

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Answered
How to solve three complex equations
Easy using matrix notation: A = [1.46j,0.9j,-0.36j;0.36,-0.42,-1.345;0.9j,1.65j,0.42]; b = [1;0;1]; I = A\b I = -0.00...

23 jours ago | 0

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Answered
If conditions for matrices with different length
I think you mean this (Note that the second element of T2 doesn't meet your conditions! as you posted as the expected output): ...

23 jours ago | 0

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Answered
Printing Results out of a for Loop
You can also implement the function in a simpler and efficient way: function [rows_diff, tot_diff] = minimax(M) rows_diff ...

24 jours ago | 0

Answered
Loading the excel file(cell array contains elements of different dimension) in MATLAB
Try this: [num,~,A] = xlsread('Area_Matrix.xlsx'); A(isnan(num)) = cellfun(@str2num,A(isnan(num)),'uni',0); %A is the cell arr...

24 jours ago | 0

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Answered
How to turn 64x1 matrix into an 8x8 matrix?
y = reshape(X,8,8)

26 jours ago | 1

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Answered
"Argument to dynamic structure reference must evaluate to a valid field name" error please code also been attached????? and also i cannot execute it.
You need to change those lines Vx = K.(sin(thetaInDegrees1)-sin(thetaInDegrees2)*cos(thetaInDegrees3)); Vy = K.(-sin(thetaInDe...

27 jours ago | 0

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