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Set color to 'none' instead of white in 'heatmap'
Unfortunately 'none' is not a valid value for 'MissingDataColor', and I cannot find any way to set alpha values in heatmaps. Wo...

6 years 前 | 0

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(app designer) Callback for ROIMoved event does not work
Thomas, When setting up the listener, use addlistener(ROI, 'ROIMoved', @app.allevents) Then, when defining allevents, use fu...

6 years 前 | 5

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Dimensional error while running the code from matlab documentation
This code should run without error in R2016b and later due to implicit expansion, as t is a row vector and [50 150 200]' is a co...

6 years 前 | 0

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Merge cell that has common element
I'm not sure if this is the best way to do it, but I believe it will work. It starts by setting A_new to A. It then loops throu...

6 years 前 | 0

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Generating arbitrary colored tick labels
Is TeX an option for you? n=10; plot(1:n); labels = cell(n,1); for i=1:n labels{i} = sprintf('\\color[rgb]{%f, %f, %f}%...

6 years 前 | 1

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How to check whether a specific variable is empty or not in table type
T_data(~cellfun(@isempty, T.ls_max_tone),:) This will return a table containing only the rows where ls_max_tone is not empty.

6 years 前 | 0

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There is no InnerPosition property on the matlab.graphics.layout.TiledChartLayout class.
It looks like a handful of properties for TiledChartLayout objects, including 'Position', 'InnerPosition', and 'OuterPosition', ...

6 years 前 | 1

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How to get linprog to not ignore x0 R2019a
This suggests the initial condition is ignored unless you use the active-set algorithm. This says active-set was removed for li...

6 years 前 | 0

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find elements which has minmum and maximum probability in an array
A = [ 1,2,3,4,5,6,7]; P = [ 0.01,0.01,0.25,0.2,0.25,0.09,0.19]; minprob = A(P==min(P)) maxprob = A(P==max(P)) minprob = ...

6 years 前 | 1

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How can I make this code more efficient so it will run faster?
Since the order of the steps doesn't matter, how about this? X = [1000, 2500, 10000, 25000, 100000, 1000000]; for k = 1:length...

6 years 前 | 1

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Conditional replacement of array values from another array
Do you need a loop? If you know there are exactly as many 500s in A as there are values in B: A(A==500) = B; If there may be ...

6 years 前 | 1

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find maximum value for each year in a 2 columns array
Try this: [G, y] = findgroups(input(:,1)); output = [y splitapply(@max, input(:,2), G)];

6 years 前 | 1

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Create a vector from components of old vectors
For a matrix A such as A = rand(3,5); this should work: v = [A(1,:) A(:,3)']

6 years 前 | 1

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print values in one matrix to another
Let me know if this works: length = [connectivity, zeros(total_elements, 4)]; for i = 1:total_elements length(i, [4 6]) =...

6 years 前 | 0

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Outputting cell vectors that contain specific information help?
You can use the colon operator to generate a character vector containing each lower case letter in the alphabet: >> 'a':'z' an...

6 years 前 | 0

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Matlab Code for the Gauss Legendre Quadrature
Have your vectors of weights be the same size as your vectors of locations, ordered so that corresponding weights and locations ...

6 years 前 | 2

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how do i give the user the option to stop making an input? while loops program.
Check the value of grade immediately after the user inputs it, and only update count and x if the loop should continue: x = [];...

6 years 前 | 0

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8 digit double array to 1 digit double array
How about H_conv = num2str(H)-'0'

6 years 前 | 0

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index exceeds the number of array
Ah, ok. You flip between treating S1 as a vector containing the different stock prices (which it is in your new code) and as a s...

6 years 前 | 0

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(Strain vs Stress Curve) to (Stress Vs Strain Curve) Switch My X-axis into Y-axis in my plot
plot (strain.normal,length(strain.normal),'b'); In this line, length(strain.normal) is a scalar, so nothing is plotted, simil...

6 years 前 | 1

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Trying to extract numbers between bounds and counting them
Currently, your for loop only runs once, during which time k is equal to the entirety of x. By using for k = x(:,1)' or just ...

6 years 前 | 0

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multiple linear regression check
All of the loops can be avoided. If you have something like b=1:10; for i=1:numel(b) a(i)=2*b(i)+3; end you can always ...

6 years 前 | 0

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Formating a table with unequal rows
How about this? load('matlab.mat'); C = unique([OutnbEmployees1.AlgPhrase; OutnbEmployees2.IrqPhrase; OutnbEmployees3.TunPhras...

6 years 前 | 0

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Modifying a Row Vector to Pair up Numbers
How about this? S1 = [ 4, 6, 3, 5, 1 ]; S2 = [ 3, 3, 1 ]; S3 = [ 2, 4, 7, 1 ]; C = {S1,S2,S3}; C2 = cellfun(@(s) 10*s(1:end-1...

6 years 前 | 0

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Joining a column from one table to another by id
If you know each ID in A is included in B exactly once, I believe this should work: A = [A rowfun(@(rn) B.N(strcmp(B.ID,rn)), A...

6 years 前 | 0

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How to change certain values of a column in a table depending on a certain time range ?
Try this: totalaggregated{TR,{'Total'}} = 0.75*totalaggregated{TR,{'Total'}};

6 years 前 | 0

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Always show the error Function definitions in a script must appear at the end of the file.
When you create a script in MATLAB, all function definitions need to be at the end of the file. function Dp=fun1(t,p) y=p(1);z...

6 years 前 | 0

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Find repeated pairs of two variables
How about this? % examples weight = randi([70 74], 10, 1); height = randi([5 7], 10, 1); [~,i] = unique(findgroups(height,...

6 years 前 | 0

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已回答
Invalid use of operator. "*"
Make sure the period is adjacent to the asterisk: y = cos(20*x).* exp(x.^2);

6 years 前 | 2

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How to set UIAxes min and max lim for plot in app designer ?
Use ylim(ax, [minlim,maxlim]) instead.

6 years 前 | 0