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Alex Mcaulley


197 2019 年以降の合計貢献数

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Solving Equations with inputs from an Excel file
I suspect you have an overdetermined system (1 variable and 24 equations). Probably you want this: %% Energy balance Top layer ...

約4時間 前 | 0

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Retrieve commands from .mat file
.mat files only store variables from the workspace. To retrieve command history: https://es.mathworks.com/matlabcentral/answer...

約5時間 前 | 0

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Remove duplicate rows in CSV file
Since all is numeric data, you can use: data = xlsread('kdd.xlsx'); datanew = unique(data,'rows');

約8時間 前 | 1

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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...

4日 前 | 0

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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...

5日 前 | 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...

5日 前 | 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...

8日 前 | 0

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

11日 前 | 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...

11日 前 | 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

12日 前 | 0

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

12日 前 | 0

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

13日 前 | 1

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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;

13日 前 | 1

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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...

13日 前 | 1

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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...

19日 前 | 0

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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...

19日 前 | 0

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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'); ...

20日 前 | 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...

20日 前 | 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".

21日 前 | 1

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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...

21日 前 | 1

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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);

21日 前 | 1

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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...

21日 前 | 0

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

21日 前 | 0

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

22日 前 | 1

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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...

22日 前 | 0

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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(...

22日 前 | 0

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

22日 前 | 1

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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...

25日 前 | 0

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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): ...

25日 前 | 0

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