Maintenance for R2025b

* Update to new startup app
* Improve ci.yml
* Standardize project details
* Remove reference to emailing for solutions in README as the solutions
 are included in Instructor Resources
* Update identity as the MathWorks Educator Content Development team

Author: vboutrou

.github/workflows/ci.yml

@@ -19,8 +19,10 @@ jobs:
     strategy: 
       fail-fast: false
       matrix:
-        MATLABVersion: [R2024a,R2024b]
+        MATLABVersion: [R2024b,R2025a]
     runs-on: ubuntu-latest
+    env:
+      LD_PRELOAD: /usr/lib/x86_64-linux-gnu/libstdc++.so.6
     steps:
       # Checks-out your repository
       - uses: actions/checkout@v4

.gitlab-ci.yml

@@ -23,7 +23,7 @@ The instructions inside the live scripts will guide you through the exercises an
 
 ## Contact Us
 
-Solutions are available upon instructor request. Contact the [MathWorks teaching resources team](mailto:onlineteaching@mathworks.com) if you would like to request solutions, provide feedback, or if you have a question.
+Contact the [MathWorks Educator Content Development Team](mailto:onlineteaching@mathworks.com) if you would like to request assistance, provide feedback, or if you have a question.
 
 
 ## Prerequisites
@@ -91,6 +91,7 @@ MATLAB®, Symbolic Math Toolbox™
 -  [Educator Page](https://www.mathworks.com/academia/educators.html) 
 
 
-Copyright 2023 The MathWorks™, Inc
-
+# Contribute 
+Looking for more? Find an issue? Have a suggestion? Please contact the [MathWorks Educator Content Development Team](mailto:onlineteaching@mathworks.com). If you want to contribute directly to this project, you can find information about how to do so in the [CONTRIBUTING.md](https://github.com/MathWorks-Teaching-Resources/fourier-analysis/blob/release/CONTRIBUTING.md) page on GitHub.
 
+© Copyright 2025 The MathWorks, Inc

InstructorResources/Solutions/DiscreteFourierTransformSoln.mlx

@@ -32,7 +32,7 @@ function PostSmokeTest(ShowReport)
 % Format the results in a table and save them
 Results = table(Results');
 Version = extractBetween(string(Results.Name),"Version=",")");
-Passed = Results.Passed;
+Passed = logical(Results.Passed);
 
 % Add link to other report
 File = fileread(fullfile("public","index.html"));
@@ -51,7 +51,7 @@ function PostSmokeTest(ShowReport)
     Badge.message = join("R"+Version," | ");
 elseif any(Passed)
     Badge.color = "yellowgreen";
-    Badge.message = join("R")
+    Badge.message = join("R"+Version(Passed)," | ");
 elseif all(~Passed)
     Badge.color = "critical";
     Badge.message = join("R"+Version," | ");

InstructorResources/Solutions/Lab2_ComplexFourierSeriesSoln.mlx

@@ -55,7 +55,7 @@ function SetUpPath(testCase,Project)
             % Check that solutions are on path:
             testCase.isSolnOnPath = isfolder("Solutions");
             if testCase.isSolnOnPath == 0
-                addpath(fullfile(testCase.RootFolder,"InstructorResources","Solutions"))
+                addpath(genpath(fullfile(testCase.RootFolder,"InstructorResources","Solutions")))
             end
 
             % Close the StartUp app if still open:
@@ -163,4 +163,14 @@ function SmokeRun(testCase,File)
 
     end % Private Access Methods
 
+    methods (TestClassTeardown)
+
+        function ResetPath(testCase)
+            if ~testCase.isSolnOnPath && exist("Solutions","dir")
+                rmpath(genpath(fullfile(currentProject().RootFolder,"InstructorResources","Solutions")))
+            end
+        end
+
+    end % TestClassTeardown
+
 end % SolnSmokeTests