diff --git a/W2/machine-learning-ex1.zip b/machine-learning-ex1.zip
similarity index 100%
rename from W2/machine-learning-ex1.zip
rename to machine-learning-ex1.zip
diff --git a/W2/machine-learning-ex1/ex1.pdf b/machine-learning-ex1/ex1.pdf
similarity index 100%
rename from W2/machine-learning-ex1/ex1.pdf
rename to machine-learning-ex1/ex1.pdf
diff --git a/W2/machine-learning-ex1/ex1/computeCost.m b/machine-learning-ex1/ex1/computeCost.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/computeCost.m
rename to machine-learning-ex1/ex1/computeCost.m
diff --git a/W2/machine-learning-ex1/ex1/computeCostMulti.m b/machine-learning-ex1/ex1/computeCostMulti.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/computeCostMulti.m
rename to machine-learning-ex1/ex1/computeCostMulti.m
diff --git a/W2/machine-learning-ex1/ex1/ex1.m b/machine-learning-ex1/ex1/ex1.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/ex1.m
rename to machine-learning-ex1/ex1/ex1.m
diff --git a/W2/machine-learning-ex1/ex1/ex1_multi.m b/machine-learning-ex1/ex1/ex1_multi.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/ex1_multi.m
rename to machine-learning-ex1/ex1/ex1_multi.m
diff --git a/W2/machine-learning-ex1/ex1/ex1data1.txt b/machine-learning-ex1/ex1/ex1data1.txt
similarity index 100%
rename from W2/machine-learning-ex1/ex1/ex1data1.txt
rename to machine-learning-ex1/ex1/ex1data1.txt
diff --git a/W2/machine-learning-ex1/ex1/ex1data2.txt b/machine-learning-ex1/ex1/ex1data2.txt
similarity index 100%
rename from W2/machine-learning-ex1/ex1/ex1data2.txt
rename to machine-learning-ex1/ex1/ex1data2.txt
diff --git a/W2/machine-learning-ex1/ex1/featureNormalize.m b/machine-learning-ex1/ex1/featureNormalize.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/featureNormalize.m
rename to machine-learning-ex1/ex1/featureNormalize.m
diff --git a/W2/machine-learning-ex1/ex1/gradientDescent.m b/machine-learning-ex1/ex1/gradientDescent.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/gradientDescent.m
rename to machine-learning-ex1/ex1/gradientDescent.m
diff --git a/W2/machine-learning-ex1/ex1/gradientDescentMulti.m b/machine-learning-ex1/ex1/gradientDescentMulti.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/gradientDescentMulti.m
rename to machine-learning-ex1/ex1/gradientDescentMulti.m
diff --git a/W2/machine-learning-ex1/ex1/lib/jsonlab/AUTHORS.txt b/machine-learning-ex1/ex1/lib/jsonlab/AUTHORS.txt
similarity index 100%
rename from W2/machine-learning-ex1/ex1/lib/jsonlab/AUTHORS.txt
rename to machine-learning-ex1/ex1/lib/jsonlab/AUTHORS.txt
diff --git a/W2/machine-learning-ex1/ex1/lib/jsonlab/ChangeLog.txt b/machine-learning-ex1/ex1/lib/jsonlab/ChangeLog.txt
similarity index 100%
rename from W2/machine-learning-ex1/ex1/lib/jsonlab/ChangeLog.txt
rename to machine-learning-ex1/ex1/lib/jsonlab/ChangeLog.txt
diff --git a/W2/machine-learning-ex1/ex1/lib/jsonlab/LICENSE_BSD.txt b/machine-learning-ex1/ex1/lib/jsonlab/LICENSE_BSD.txt
similarity index 100%
rename from W2/machine-learning-ex1/ex1/lib/jsonlab/LICENSE_BSD.txt
rename to machine-learning-ex1/ex1/lib/jsonlab/LICENSE_BSD.txt
diff --git a/W2/machine-learning-ex1/ex1/lib/jsonlab/README.txt b/machine-learning-ex1/ex1/lib/jsonlab/README.txt
similarity index 100%
rename from W2/machine-learning-ex1/ex1/lib/jsonlab/README.txt
rename to machine-learning-ex1/ex1/lib/jsonlab/README.txt
diff --git a/W2/machine-learning-ex1/ex1/lib/jsonlab/jsonopt.m b/machine-learning-ex1/ex1/lib/jsonlab/jsonopt.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/lib/jsonlab/jsonopt.m
rename to machine-learning-ex1/ex1/lib/jsonlab/jsonopt.m
diff --git a/W2/machine-learning-ex1/ex1/lib/jsonlab/loadjson.m b/machine-learning-ex1/ex1/lib/jsonlab/loadjson.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/lib/jsonlab/loadjson.m
rename to machine-learning-ex1/ex1/lib/jsonlab/loadjson.m
diff --git a/W2/machine-learning-ex1/ex1/lib/jsonlab/loadubjson.m b/machine-learning-ex1/ex1/lib/jsonlab/loadubjson.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/lib/jsonlab/loadubjson.m
rename to machine-learning-ex1/ex1/lib/jsonlab/loadubjson.m
diff --git a/W2/machine-learning-ex1/ex1/lib/jsonlab/mergestruct.m b/machine-learning-ex1/ex1/lib/jsonlab/mergestruct.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/lib/jsonlab/mergestruct.m
rename to machine-learning-ex1/ex1/lib/jsonlab/mergestruct.m
diff --git a/W2/machine-learning-ex1/ex1/lib/jsonlab/savejson.m b/machine-learning-ex1/ex1/lib/jsonlab/savejson.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/lib/jsonlab/savejson.m
rename to machine-learning-ex1/ex1/lib/jsonlab/savejson.m
diff --git a/W2/machine-learning-ex1/ex1/lib/jsonlab/saveubjson.m b/machine-learning-ex1/ex1/lib/jsonlab/saveubjson.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/lib/jsonlab/saveubjson.m
rename to machine-learning-ex1/ex1/lib/jsonlab/saveubjson.m
diff --git a/W2/machine-learning-ex1/ex1/lib/jsonlab/varargin2struct.m b/machine-learning-ex1/ex1/lib/jsonlab/varargin2struct.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/lib/jsonlab/varargin2struct.m
rename to machine-learning-ex1/ex1/lib/jsonlab/varargin2struct.m
diff --git a/W2/machine-learning-ex1/ex1/lib/makeValidFieldName.m b/machine-learning-ex1/ex1/lib/makeValidFieldName.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/lib/makeValidFieldName.m
rename to machine-learning-ex1/ex1/lib/makeValidFieldName.m
diff --git a/W2/machine-learning-ex1/ex1/lib/submitWithConfiguration.m b/machine-learning-ex1/ex1/lib/submitWithConfiguration.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/lib/submitWithConfiguration.m
rename to machine-learning-ex1/ex1/lib/submitWithConfiguration.m
diff --git a/W2/machine-learning-ex1/ex1/normalEqn.m b/machine-learning-ex1/ex1/normalEqn.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/normalEqn.m
rename to machine-learning-ex1/ex1/normalEqn.m
diff --git a/W2/machine-learning-ex1/ex1/plotData.m b/machine-learning-ex1/ex1/plotData.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/plotData.m
rename to machine-learning-ex1/ex1/plotData.m
diff --git a/W2/machine-learning-ex1/ex1/submit.m b/machine-learning-ex1/ex1/submit.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/submit.m
rename to machine-learning-ex1/ex1/submit.m
diff --git a/W2/machine-learning-ex1/ex1/token.mat b/machine-learning-ex1/ex1/token.mat
similarity index 100%
rename from W2/machine-learning-ex1/ex1/token.mat
rename to machine-learning-ex1/ex1/token.mat
diff --git a/W2/machine-learning-ex1/ex1/warmUpExercise.m b/machine-learning-ex1/ex1/warmUpExercise.m
similarity index 100%
rename from W2/machine-learning-ex1/ex1/warmUpExercise.m
rename to machine-learning-ex1/ex1/warmUpExercise.m
diff --git a/W3/machine-learning-ex2.zip b/machine-learning-ex2.zip
similarity index 100%
rename from W3/machine-learning-ex2.zip
rename to machine-learning-ex2.zip
diff --git a/W3/machine-learning-ex2/ex2.pdf b/machine-learning-ex2/ex2.pdf
similarity index 100%
rename from W3/machine-learning-ex2/ex2.pdf
rename to machine-learning-ex2/ex2.pdf
diff --git a/W3/machine-learning-ex2/ex2/costFunction.m b/machine-learning-ex2/ex2/costFunction.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/costFunction.m
rename to machine-learning-ex2/ex2/costFunction.m
diff --git a/W3/machine-learning-ex2/ex2/costFunctionReg.m b/machine-learning-ex2/ex2/costFunctionReg.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/costFunctionReg.m
rename to machine-learning-ex2/ex2/costFunctionReg.m
diff --git a/W3/machine-learning-ex2/ex2/ex2.m b/machine-learning-ex2/ex2/ex2.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/ex2.m
rename to machine-learning-ex2/ex2/ex2.m
diff --git a/W3/machine-learning-ex2/ex2/ex2_reg.m b/machine-learning-ex2/ex2/ex2_reg.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/ex2_reg.m
rename to machine-learning-ex2/ex2/ex2_reg.m
diff --git a/W3/machine-learning-ex2/ex2/ex2data1.txt b/machine-learning-ex2/ex2/ex2data1.txt
similarity index 100%
rename from W3/machine-learning-ex2/ex2/ex2data1.txt
rename to machine-learning-ex2/ex2/ex2data1.txt
diff --git a/W3/machine-learning-ex2/ex2/ex2data2.txt b/machine-learning-ex2/ex2/ex2data2.txt
similarity index 100%
rename from W3/machine-learning-ex2/ex2/ex2data2.txt
rename to machine-learning-ex2/ex2/ex2data2.txt
diff --git a/W3/machine-learning-ex2/ex2/lib/jsonlab/AUTHORS.txt b/machine-learning-ex2/ex2/lib/jsonlab/AUTHORS.txt
similarity index 100%
rename from W3/machine-learning-ex2/ex2/lib/jsonlab/AUTHORS.txt
rename to machine-learning-ex2/ex2/lib/jsonlab/AUTHORS.txt
diff --git a/W3/machine-learning-ex2/ex2/lib/jsonlab/ChangeLog.txt b/machine-learning-ex2/ex2/lib/jsonlab/ChangeLog.txt
similarity index 100%
rename from W3/machine-learning-ex2/ex2/lib/jsonlab/ChangeLog.txt
rename to machine-learning-ex2/ex2/lib/jsonlab/ChangeLog.txt
diff --git a/W3/machine-learning-ex2/ex2/lib/jsonlab/LICENSE_BSD.txt b/machine-learning-ex2/ex2/lib/jsonlab/LICENSE_BSD.txt
similarity index 100%
rename from W3/machine-learning-ex2/ex2/lib/jsonlab/LICENSE_BSD.txt
rename to machine-learning-ex2/ex2/lib/jsonlab/LICENSE_BSD.txt
diff --git a/W3/machine-learning-ex2/ex2/lib/jsonlab/README.txt b/machine-learning-ex2/ex2/lib/jsonlab/README.txt
similarity index 100%
rename from W3/machine-learning-ex2/ex2/lib/jsonlab/README.txt
rename to machine-learning-ex2/ex2/lib/jsonlab/README.txt
diff --git a/W3/machine-learning-ex2/ex2/lib/jsonlab/jsonopt.m b/machine-learning-ex2/ex2/lib/jsonlab/jsonopt.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/lib/jsonlab/jsonopt.m
rename to machine-learning-ex2/ex2/lib/jsonlab/jsonopt.m
diff --git a/W3/machine-learning-ex2/ex2/lib/jsonlab/loadjson.m b/machine-learning-ex2/ex2/lib/jsonlab/loadjson.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/lib/jsonlab/loadjson.m
rename to machine-learning-ex2/ex2/lib/jsonlab/loadjson.m
diff --git a/W3/machine-learning-ex2/ex2/lib/jsonlab/loadubjson.m b/machine-learning-ex2/ex2/lib/jsonlab/loadubjson.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/lib/jsonlab/loadubjson.m
rename to machine-learning-ex2/ex2/lib/jsonlab/loadubjson.m
diff --git a/W3/machine-learning-ex2/ex2/lib/jsonlab/mergestruct.m b/machine-learning-ex2/ex2/lib/jsonlab/mergestruct.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/lib/jsonlab/mergestruct.m
rename to machine-learning-ex2/ex2/lib/jsonlab/mergestruct.m
diff --git a/W3/machine-learning-ex2/ex2/lib/jsonlab/savejson.m b/machine-learning-ex2/ex2/lib/jsonlab/savejson.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/lib/jsonlab/savejson.m
rename to machine-learning-ex2/ex2/lib/jsonlab/savejson.m
diff --git a/W3/machine-learning-ex2/ex2/lib/jsonlab/saveubjson.m b/machine-learning-ex2/ex2/lib/jsonlab/saveubjson.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/lib/jsonlab/saveubjson.m
rename to machine-learning-ex2/ex2/lib/jsonlab/saveubjson.m
diff --git a/W3/machine-learning-ex2/ex2/lib/jsonlab/varargin2struct.m b/machine-learning-ex2/ex2/lib/jsonlab/varargin2struct.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/lib/jsonlab/varargin2struct.m
rename to machine-learning-ex2/ex2/lib/jsonlab/varargin2struct.m
diff --git a/W3/machine-learning-ex2/ex2/lib/makeValidFieldName.m b/machine-learning-ex2/ex2/lib/makeValidFieldName.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/lib/makeValidFieldName.m
rename to machine-learning-ex2/ex2/lib/makeValidFieldName.m
diff --git a/W3/machine-learning-ex2/ex2/lib/submitWithConfiguration.m b/machine-learning-ex2/ex2/lib/submitWithConfiguration.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/lib/submitWithConfiguration.m
rename to machine-learning-ex2/ex2/lib/submitWithConfiguration.m
diff --git a/W3/machine-learning-ex2/ex2/mapFeature.m b/machine-learning-ex2/ex2/mapFeature.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/mapFeature.m
rename to machine-learning-ex2/ex2/mapFeature.m
diff --git a/W3/machine-learning-ex2/ex2/plotData.m b/machine-learning-ex2/ex2/plotData.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/plotData.m
rename to machine-learning-ex2/ex2/plotData.m
diff --git a/W3/machine-learning-ex2/ex2/plotDecisionBoundary.m b/machine-learning-ex2/ex2/plotDecisionBoundary.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/plotDecisionBoundary.m
rename to machine-learning-ex2/ex2/plotDecisionBoundary.m
diff --git a/W3/machine-learning-ex2/ex2/predict.m b/machine-learning-ex2/ex2/predict.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/predict.m
rename to machine-learning-ex2/ex2/predict.m
diff --git a/W3/machine-learning-ex2/ex2/sigmoid.m b/machine-learning-ex2/ex2/sigmoid.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/sigmoid.m
rename to machine-learning-ex2/ex2/sigmoid.m
diff --git a/W3/machine-learning-ex2/ex2/submit.m b/machine-learning-ex2/ex2/submit.m
similarity index 100%
rename from W3/machine-learning-ex2/ex2/submit.m
rename to machine-learning-ex2/ex2/submit.m
diff --git a/W3/machine-learning-ex2/ex2/token.mat b/machine-learning-ex2/ex2/token.mat
similarity index 100%
rename from W3/machine-learning-ex2/ex2/token.mat
rename to machine-learning-ex2/ex2/token.mat
diff --git a/W4/machine-learning-ex3.zip b/machine-learning-ex3.zip
similarity index 100%
rename from W4/machine-learning-ex3.zip
rename to machine-learning-ex3.zip
diff --git a/W4/machine-learning-ex3/ex3.pdf b/machine-learning-ex3/ex3.pdf
similarity index 100%
rename from W4/machine-learning-ex3/ex3.pdf
rename to machine-learning-ex3/ex3.pdf
diff --git a/W4/machine-learning-ex3/ex3/all_theta.mat b/machine-learning-ex3/ex3/all_theta.mat
similarity index 100%
rename from W4/machine-learning-ex3/ex3/all_theta.mat
rename to machine-learning-ex3/ex3/all_theta.mat
diff --git a/W4/machine-learning-ex3/ex3/displayData.m b/machine-learning-ex3/ex3/displayData.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/displayData.m
rename to machine-learning-ex3/ex3/displayData.m
diff --git a/W4/machine-learning-ex3/ex3/ex3.m b/machine-learning-ex3/ex3/ex3.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/ex3.m
rename to machine-learning-ex3/ex3/ex3.m
diff --git a/W4/machine-learning-ex3/ex3/ex3_nn.m b/machine-learning-ex3/ex3/ex3_nn.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/ex3_nn.m
rename to machine-learning-ex3/ex3/ex3_nn.m
diff --git a/W4/machine-learning-ex3/ex3/ex3data1.mat b/machine-learning-ex3/ex3/ex3data1.mat
similarity index 100%
rename from W4/machine-learning-ex3/ex3/ex3data1.mat
rename to machine-learning-ex3/ex3/ex3data1.mat
diff --git a/W4/machine-learning-ex3/ex3/ex3weights.mat b/machine-learning-ex3/ex3/ex3weights.mat
similarity index 100%
rename from W4/machine-learning-ex3/ex3/ex3weights.mat
rename to machine-learning-ex3/ex3/ex3weights.mat
diff --git a/W4/machine-learning-ex3/ex3/fmincg.m b/machine-learning-ex3/ex3/fmincg.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/fmincg.m
rename to machine-learning-ex3/ex3/fmincg.m
diff --git a/W4/machine-learning-ex3/ex3/lib/jsonlab/AUTHORS.txt b/machine-learning-ex3/ex3/lib/jsonlab/AUTHORS.txt
similarity index 100%
rename from W4/machine-learning-ex3/ex3/lib/jsonlab/AUTHORS.txt
rename to machine-learning-ex3/ex3/lib/jsonlab/AUTHORS.txt
diff --git a/W4/machine-learning-ex3/ex3/lib/jsonlab/ChangeLog.txt b/machine-learning-ex3/ex3/lib/jsonlab/ChangeLog.txt
similarity index 100%
rename from W4/machine-learning-ex3/ex3/lib/jsonlab/ChangeLog.txt
rename to machine-learning-ex3/ex3/lib/jsonlab/ChangeLog.txt
diff --git a/W4/machine-learning-ex3/ex3/lib/jsonlab/LICENSE_BSD.txt b/machine-learning-ex3/ex3/lib/jsonlab/LICENSE_BSD.txt
similarity index 100%
rename from W4/machine-learning-ex3/ex3/lib/jsonlab/LICENSE_BSD.txt
rename to machine-learning-ex3/ex3/lib/jsonlab/LICENSE_BSD.txt
diff --git a/W4/machine-learning-ex3/ex3/lib/jsonlab/README.txt b/machine-learning-ex3/ex3/lib/jsonlab/README.txt
similarity index 100%
rename from W4/machine-learning-ex3/ex3/lib/jsonlab/README.txt
rename to machine-learning-ex3/ex3/lib/jsonlab/README.txt
diff --git a/W4/machine-learning-ex3/ex3/lib/jsonlab/jsonopt.m b/machine-learning-ex3/ex3/lib/jsonlab/jsonopt.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/lib/jsonlab/jsonopt.m
rename to machine-learning-ex3/ex3/lib/jsonlab/jsonopt.m
diff --git a/W4/machine-learning-ex3/ex3/lib/jsonlab/loadjson.m b/machine-learning-ex3/ex3/lib/jsonlab/loadjson.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/lib/jsonlab/loadjson.m
rename to machine-learning-ex3/ex3/lib/jsonlab/loadjson.m
diff --git a/W4/machine-learning-ex3/ex3/lib/jsonlab/loadubjson.m b/machine-learning-ex3/ex3/lib/jsonlab/loadubjson.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/lib/jsonlab/loadubjson.m
rename to machine-learning-ex3/ex3/lib/jsonlab/loadubjson.m
diff --git a/W4/machine-learning-ex3/ex3/lib/jsonlab/mergestruct.m b/machine-learning-ex3/ex3/lib/jsonlab/mergestruct.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/lib/jsonlab/mergestruct.m
rename to machine-learning-ex3/ex3/lib/jsonlab/mergestruct.m
diff --git a/W4/machine-learning-ex3/ex3/lib/jsonlab/savejson.m b/machine-learning-ex3/ex3/lib/jsonlab/savejson.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/lib/jsonlab/savejson.m
rename to machine-learning-ex3/ex3/lib/jsonlab/savejson.m
diff --git a/W4/machine-learning-ex3/ex3/lib/jsonlab/saveubjson.m b/machine-learning-ex3/ex3/lib/jsonlab/saveubjson.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/lib/jsonlab/saveubjson.m
rename to machine-learning-ex3/ex3/lib/jsonlab/saveubjson.m
diff --git a/W4/machine-learning-ex3/ex3/lib/jsonlab/varargin2struct.m b/machine-learning-ex3/ex3/lib/jsonlab/varargin2struct.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/lib/jsonlab/varargin2struct.m
rename to machine-learning-ex3/ex3/lib/jsonlab/varargin2struct.m
diff --git a/W4/machine-learning-ex3/ex3/lib/makeValidFieldName.m b/machine-learning-ex3/ex3/lib/makeValidFieldName.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/lib/makeValidFieldName.m
rename to machine-learning-ex3/ex3/lib/makeValidFieldName.m
diff --git a/W4/machine-learning-ex3/ex3/lib/submitWithConfiguration.m b/machine-learning-ex3/ex3/lib/submitWithConfiguration.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/lib/submitWithConfiguration.m
rename to machine-learning-ex3/ex3/lib/submitWithConfiguration.m
diff --git a/W4/machine-learning-ex3/ex3/lrCostFunction.m b/machine-learning-ex3/ex3/lrCostFunction.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/lrCostFunction.m
rename to machine-learning-ex3/ex3/lrCostFunction.m
diff --git a/W4/machine-learning-ex3/ex3/oneVsAll.m b/machine-learning-ex3/ex3/oneVsAll.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/oneVsAll.m
rename to machine-learning-ex3/ex3/oneVsAll.m
diff --git a/W4/machine-learning-ex3/ex3/predict.m b/machine-learning-ex3/ex3/predict.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/predict.m
rename to machine-learning-ex3/ex3/predict.m
diff --git a/W4/machine-learning-ex3/ex3/predictOneVsAll.m b/machine-learning-ex3/ex3/predictOneVsAll.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/predictOneVsAll.m
rename to machine-learning-ex3/ex3/predictOneVsAll.m
diff --git a/W4/machine-learning-ex3/ex3/sigmoid.m b/machine-learning-ex3/ex3/sigmoid.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/sigmoid.m
rename to machine-learning-ex3/ex3/sigmoid.m
diff --git a/W4/machine-learning-ex3/ex3/submit.m b/machine-learning-ex3/ex3/submit.m
similarity index 100%
rename from W4/machine-learning-ex3/ex3/submit.m
rename to machine-learning-ex3/ex3/submit.m
diff --git a/W4/machine-learning-ex3/ex3/token.mat b/machine-learning-ex3/ex3/token.mat
similarity index 100%
rename from W4/machine-learning-ex3/ex3/token.mat
rename to machine-learning-ex3/ex3/token.mat