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How can I add a summation column to a heatmap?
Augment your matrix with the row and column sums before sending it to heatmap. Then set the color-limits to the range of your or...

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How to remove/add elements to an array?
load locs A = locs; B = diff(A); idx = B < 100; A(idx) = []; % remove from both A and B because B(idx) = []; % you need...

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I run the code, everything works, however the plots only plot two of the graphs and the graphs all look the same.
This may be why only two subplots show up: subplot(2,1, 3) A 2-by-1 subplot grid doesn't have a 3rd subplot, so this line woul...

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Why is my code not working?
The cause of the error is that the second disp line doesn't have quotes: disp(The student passed the test_11) It should be: d...

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Why are some csv files imported incorrectly into my cell array?
"Any idea why this might be the case?" It's because the different files have commas and semicolons in different places, e.g. li...

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Getting outputs from a uifigure when a button is pressed
function [str1,str2,cancel] = Input_categories(details) gui_fig = uifigure('position',[745 420 430 240]); opt_list = {'Option ...

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How to perform same operation on 100 different table in single loop
for i = 1:100 Data = eval(sprintf('Table%d',i)); % do something with Data ... end However, the better solution is no...

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How to draw lines in UIFigure designed in App Designer that contains an image
See the example below. % axes and image ax = axes(); im = image(ax,'CData',randi([1 255],100,100)); ax.XLim = [0.5 100.5]; ...

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writematrix can't save all the numbers in a variable
kidney_right_t1_Mean_ROI1(slice) is a scalar (i.e., a single number, a single element of kidney_right_t1_Mean_ROI1). That is wha...

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update figure after changing Y axis values
When you set the axes YLim set(axes_objects(i).Children(end).Parent,'YLim',minmax_detr) the cursor lines don't update automati...

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how to extract specific rows of a .txt file ?
M = readmatrix('input.txt'); M(:,end) = []; [~,~,jj] = unique(M,'rows','stable'); M([false; diff(jj) == 0],:) = []; writemat...

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Does not plot after the for line. Bold part not working. The first part of the code works well. Kindly help.
Since you are plotting one point at a time, you need to use a data marker. A line consisting of a single point doesn't show up w...

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How can I make this matrix ?
% your matrix: i = 0; m = 1; j = 2; n = 3; M = repmat([i i i m m j j j n n],4,1) % delete columns 4-5 and 9-10: M(:,[4 5 9 ...

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Combine multiple columns into one column
If you want to replace the original (unrounded) second column with a rounded version, try this: % a table similar to yours: Pe...

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How do I average all the values for each column in a cell array?
cellfun operates on the contents of each cell independently, performing the specified function (in this case the function is mea...

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How do I average columns in cell array if some cells are empty?
load new_mat new_mat % notice the cell in the 4th row, 5th column contains an empty array n_col = size(new_mat,2); averages =...

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Finding the index of a cell element
A{1} = 'xname1x'; A{2} = 'xname2x'; A{3} = 'xname3x'; idx = find(contains(A,'name1'))

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obtain element from a non defined array matlab
img_ex = imread('peppers.png'); size_img = subsref(size(img_ex),substruct('()',{1})) % for comparison: size_img_temp = size...

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How to consider elements from two different column matrix and perform set of arithmetical operation?
% A = [110; 101; 011; 111; 100; 001; 010]; % final result doesn't depend on the % v...

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Reset pushbuttons by another pushbutton
function box1_Callback(hObject, eventdata, handles) % ... % winner is not defined here % ... if handles.box(1,1)==0 ...

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How to fix non-alignment issue when plotting multiple axes
Add the following line at the end of your code: ax1.Position = ax2.Position; That seems to fix the problem, but I'm not 100% s...

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compare two vector with considering Nan
% if the value of any entry in A/B is greater than 1 % or smaller than 0, set it into Nan: A(A<0 | A>1) = NaN; B(B<0 ...

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How to plot specified semi-circle, rectangle ?
You can create shapes of that type as a single patch object. Below is a function that does it, and here are some examples of it...

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Plotting multiple scatter points against yticklabel
If I understand what you want to do, it doesn't seem like you need two axes. See below for how to set the YTickLabels correctly...

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How can you use radio buttons in Guide to change a variable value in a function in the code?
@Kaitlyn: Are the Strings of the radiobuttons really "earthRadioButton", "moonRadioButton", etc.? It seems more likely those are...

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Regexp to extract standalone numbers from string
Very similar to Steven Lord's answer, but using str2double() instead of converting to string and using double(): str{1,1} = 'X?...

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How do I compare values in a cell array with values in another array and split the columns accordingly?
load newdata load split_points_rounded N = numel(newdata); split_newdata = cell(1,N); for ii = 1:N temp = reshape([ne...

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i want to use a function to calculate values using 2 changing inputs
M_inf = [ ... 1.46772 1.49692 1.52613 % ... ]; theta_s = linspace(1,89); gamma = 1.4; NM = numel(M...

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What is the script to plot the following function? I am trying to plot a vector that exists in the y and z directions, the <> symbolizes a vector. Thanks
r = 0.001:0.001:3; % some r values mu = 1; % some mu value (could be a vector the same size as r) x = zeros(size(r)); y = -...

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How do I assign a 1x 50 cell array to a struct Scalar structure required for this assignment
S = struct('field1',{1;2;3},'field2',{4;5;6}); % 3-by-1 struct array S(1), S(2), S(3) % show each...

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