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I am getting the following error when I run my script: Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatc
h = h + (1/6) * (k1 + 2*k2 + 2*k3 + k4); % <> multplication operator is missing here

1 year ago | 0

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3D Plots and Colorbars
Use the matrices X, Y, and Z provided in the function template to create a surface plot. Add a colorbar to the surface plot and ...

1 year ago

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Plot Line Specifications
Create a line plot for function cos(x) where x is a vector of linearly spaced values going from 0 to input N with an increment o...

1 year ago

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Why is my figure different when I open it in the Figure Window, compared to that displayed in the results pane of Live Script?
Try without *hold off* after yline commands.

1 year ago | 0

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Why are G1 and G2 outputs different?
The order of mathematical operations in evaluating G1 and G2 are different. In case of G1 , individual terms are evaluated first...

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Convert Two Character String into a Binary Vector
Given a string "XOXXO" convert it into a binary vector. [1 0 1 1 0] Paul Berglund implemented an optimal method in <http://ww...

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Join Strings with Multiple Different Delimiters
The idea is to form the string S by interleaving the elements of a cell array of strings DELIMITER and another cell array of st...

1 year ago

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Index exceeds number of array elements. Index must not exceed 8. HELP
Q = [beta alpha lambda vac d gamma c m]; The size of the vector is 1x8

1 year ago | 0

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Extract certain values in .mat file
data= [-0.13793 -0.114746 -0.204773 -0.224304 -0.181274 -0.192566 -0.159912 -0.174866 -0.134888 -0.148926] data(2:2:end) dat...

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Function composition
Write a function that accepts two function handles f and g and returns the composition h. That is, h = (f o g)(x) = f(g(x)) ...

1 year ago

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Function definitions are not permitted in this context.
Rename the file *ok.m* to *uniform_pcm.m* and save file. Type the name of function from command window (giving input arguments)...

1 year ago | 0

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Create a solid line instead of single points in the plot
If the plot function is inside a loop, you could put it outside the loop as shown below, in order to plot solid line plot(vR(1,...

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Consecutive Powers
Return 2 numbers and 2 powers such that their difference is 1 A 4 element row vector is expected: x where x(1)^x(2) - x(...

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calculate PI without using pi function
There are many methods to get the pi(Ratio of circumference to diameter). You should get pi without using the pi function in M...

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Create an arrow matrix
An arrow matrix is a square matrix that contains ones on the diagonal, the last column, and last row. ...

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Find the minimum of the column-maximums of a matrix
Given a matrix A, find the maximum value of each column, then return the smallest of those maximum values (ie return the minimum...

1 year ago

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Calculate the mean of each half of a matrix
Given a matrix with an even number of columns, n, return a 1-by-2 row vector where the first element is the mean of all the elem...

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Plotting a diagram and getting some errors
There is no function called plotv in Matlab (or it must have been removed in new release), Please refer to the following link f...

1 year ago | 0

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fsolve stopped because the last step was ineffective
The problem seems to occur if you have the same initial conditions for all the angles. Try giving different initial conditions/...

1 year ago | 1

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summation of aij & i, j dependent function in matlab
% % initial contraction from flow, formula from diagram 4.10 % % %given test values Re_0=60.46; f0=1; f1=2.7225; % ind=...

1 year ago | 0

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Why am I receiving a "Too many output arguments" error on this particular code?
Load the data and assign to a variable. When you load a MAT file using load function, it returns a struct with different data ...

1 year ago | 1

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Keeping getting gradient error and no figure 2
%function [] =ZacharyC1 clear all clc U=4.7; m=6; a=0.5; [X,Y]=meshgrid (linspace(-2,2,100),linspace(-2,2,100)); r=sqrt...

1 year ago | 0

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Why are my error bars multicoloured with no line?
x = 20:1:25; y = [1.75 1.78 1.81 1.85 1.9 1.95]; err = repmat(0.1,length(x),1); errorbar(x,y,err)

1 year ago | 2

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comparison number on interval
px = 0; py = 1000; pz = 0; if (-524 <= px) & (px <= 524) & (-524 <= py) & (py <= 524) & (0 <= pz) & (pz <= 524) px ...

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Function with for loop doesn't always work
With option as rev, it wont work, since the variable deg is undefined option = 'rev' % with this option it wont if strcmp...

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Rainbow matrix
Create a "rainbow matrix" as described in the following examples Input = 3 Output = [ 1 2 3 2 3 2 ...

1 year ago

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How can i put the values in gradient of a function obtained through the gradient command?
@RADHIKA GOUR, you can use subs and plug-in the values for p1,p2,p3, p4 variables. TT=[1 1 1 1]; noise = randi([2 10]); sym...

1 year ago | 0

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Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

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radius of a spherical planet
You just measured its surface area, that is the input.

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Given a square and a circle, please decide whether the square covers more area.
You know the side of a square and the diameter of a circle, please decide whether the square covers more area.

1 year ago