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fplot simplemente no responde
Are you running commands in the command window? If so, is this what you see at the bottom of the command window? If so, you ...

約2年前 | 0

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How to find the difference between non-consecutive values
t1 = datetime(2013,11,1,8,0,0); t2 = datetime(2013,11,5,8,0,0); t = t1:t2 X = 1:5:25 A = diff(X(1:2:end))./seconds(diff(...

約2年前 | 0

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Trouble finding the closest match in a datetime array given a datetime value.
timePos = load('timePos').timePos; timeForce = load('timeForce').timeForce; The elements of timeForce all represent date/times...

約2年前 | 0

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How can I make uitable show me acutal values instead of class/type of variable?
I guess RMA{7,1} is the table returned from ranova, in which case you can try: T = RMA{1,7}; T = convertvars(T,1:width(T),'dou...

約2年前 | 1

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'Plotting the Average Vertical Line
center_col_data = img(:, 178:198); And whether you should plot(center_col_data) or plot(center_col_data.') is not clear to...

約2年前 | 0

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Ignore Case when Combining Tables
"is there a way to easily change the variables with lowecase letters to all match" Yes. Use the lower function. Here's an examp...

約2年前 | 0

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vertical alignment of x-axis labels in bar charts
ax = gca(); ax.XAxis.TickLabelRotation = 45; % <- or whatever angle you want

約2年前 | 1

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How to draw a line in a bar chart in complete x area
cats=categorical({'a','b','c'}) data = [37.6 24.5 14.6]'; errhigh = [2.1 4.4 0.4]; errlow = [4.4 2.4 2.3]; bar(cats,dat...

約2年前 | 0

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How do you make multiple for loops into one for loop?
No loops required: Rb = cosd(phi)*cosd(delta).*cosd(w)+(sind(phi)*sind(delta)); % row vector the same size as w I = Io....

約2年前 | 0

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how to separate number
function v = MySecret( y ) str = num2str(factor(y)); str(str == ' ') = []; % remove spaces v = unique(str-'0');

約2年前 | 0

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Changing uiaxes title color with button press
ax.Title.Color = [0 0 1]; % or whatever color you like

約2年前 | 0

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Array indices must be positive integers or logical values.
The variable u is not defined in your code, but if it exists in your workspace and is empty, then the line displacement = u(end...

約2年前 | 0

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how to fix "Error using plot. Data must be a single input of y-values or one or more pairs of x- and y-values." error.
plot(uv_model,y(1:N-1),uv,y,uv_model2,y(1:N-1),'g','LineWidth',2)

約2年前 | 0

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how to fix a "Error using plot Data must be a single input of y-values or one or more pairs of x- and y-values." problem
Try this: plot(uv_model,y(1:N-1),uv,y,'LineWidth',2)

約2年前 | 0

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how to specify filling properties in gscatter?
You can modify the required markers after calling gscatter. Here's an example: % random data for 6 groups N = 100; Ngroups = ...

約2年前 | 0

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Plotting a single contour to divide a region into two
Here's an example: % create vectors for x/y non/oscillatory n = 5; o_idx = [1 2 6 7 8 11 12 16 21 22]; [xo,yo] = meshgrid(1:...

約2年前 | 0

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Shows error in lung cancer detection using svm
Notice how the error message says "With appropriate code changes". Did you read and follow the documentation for fitcsvm, to ada...

約2年前 | 0

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Square wave by vector multiplication
k = (1:n).'; a_k = repmat([1;0;-1;0],n/4,1)*4*A./(k*pi); square_wave = sum(a_k .* cos(k .* 2 * pi * f * t),1);

約2年前 | 0

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Excluding elements from array
WhennonLinear = find(PositionNonLin==1); Regression = fitlm(StrainA(1:WhennonLinear-1),StressA(1:WhennonLinear-1));

約2年前 | 0

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Plotting a graph of the distance between the centroid of an irregular shaped particle and its contour (radius) versus angle (equal intervals of theta from zero to 360 degrees)
%Image Threshholding clc; clearvars; clear all; img = imread('1_50.JPG'); %Read image BW = im2bw(img,0.45); %binarize ima...

約2年前 | 0

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x = 3x3 matrix, x_0 = 3x1 matrix. Need to calculate first 21 vectors in a series using x_n = x*x(n-1)
"some articles said MATLAB indexes at 1 and you can't start at n=0" That's right. Those articles were right about that. "when ...

約2年前 | 1

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Post-formatting of figures
You can open the saved figure with the openfig function. f = openfig('figure1.fig'); You can modify any property of the figure...

約2年前 | 2

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How to unfade legend placed on an empty (invisible) plot?
Instead of making the lines in the last axes invisible, make them all-NaN so they don't show up but the legend stil appears norm...

約2年前 | 0

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Drawing on UI Axes in MATLAB app designer
Here's a simple demo app you can use to draw. After clicking the Draw button, left-click-and-drag on the axes to draw in black,...

約2年前 | 0

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Iterating over a cell array: do for loops work?
A few things: A for loop iterates over the columns of what you give it, so if you give it a column vector (cell array or otherw...

約2年前 | 0

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Could I get any help with this infinite recursion?
I suspect that the for loop with fprintf is not intended to be part of the function definition. If you move it out (and change n...

約2年前 | 1

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looking for convoltion signal for output
t = linspace(0,10,50); x = zeros(size(t)); x(t > 0 & t < 5) = 1; h = zeros(size(t)); h(t > 0 & t < 7) = 1; y = conv(x...

約2年前 | 2

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how i can display confusionchart in app.UIAxes
According to the confusionchart documentation, you can specify the parent that the confusion chart will be created in, by specif...

約2年前 | 0

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Figures not showing up with for loop
Be sure to reset ClArray (and CpArray, xArray and whatever else should not carry over from one iteration of the outer (i) loop t...

約2年前 | 0

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Insert extra line in figure only in certain boxplots
A = rand(4,1); B = rand(4,1); f = figure; boxplot([A,B],Whisker=100,Labels={'Var A','Var B'},LabelOrientation="inline"); t...

約2年前 | 0

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