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Refactor and Enhance Matrix Calculator #12

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Refactor and Enhance Matrix Calculator #12

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15 changes: 0 additions & 15 deletions package-lock.json
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212 changes: 109 additions & 103 deletions src/components/MatrixInput.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -93,6 +93,31 @@
</div>
</div>
</div>

<!-- Vector B Container (for Linear Equations) -->
<div class="mt-8 pt-6 border-t border-gray-100">
<h3 class="text-lg font-semibold text-gray-800 mb-3 flex items-center justify-center gap-2">
<i class="fas fa-arrow-right"></i> Vector b (for Ax = b)
</h3>
<div class="flex flex-wrap justify-center gap-3">
<div v-for="(val, index) in vectorB" :key="index" class="flex flex-col items-center">
<label class="text-xs text-gray-500 mb-1">b{{ index + 1 }}</label>
<input
v-model.number="vectorB[index]"
type="number"
class="w-16 h-10 text-center text-gray-800 border border-gray-300 rounded focus:outline-none focus:ring-2 focus:ring-blue-500 focus:border-blue-500 transition"
>
</div>
</div>
</div>
</div>
</div>

<!-- Error Display -->
<div v-if="error" class="bg-red-100 border-l-4 border-red-500 text-red-700 p-4 rounded shadow-md animate-pulse">
<div class="flex items-center">
<i class="fas fa-exclamation-triangle mr-3"></i>
<p class="font-bold">Error: {{ error }}</p>
</div>
</div>

Expand All @@ -106,6 +131,7 @@
@solution="handleSolution"
@eigenvalues="handleEigenvalues"
@decomposition="handleDecomposition"
@error="(msg) => { error = msg }"
/>

<!-- Results Section -->
Expand Down Expand Up @@ -165,121 +191,101 @@
</div>
</template>

<script>
import { createApp, ref, watch } from 'vue';
<script setup>
import { ref, watch } from 'vue';
import * as math from 'mathjs';
import OperationButtons from './OperationButtons.vue';

export default {
components: {
OperationButtons,
},
setup() {
const matrixSize = ref(3);
const matrixA = ref(createMatrix(matrixSize.value));
const matrixB = ref(createMatrix(matrixSize.value));
const vectorB = ref(Array(matrixSize.value).fill(0));
const operationResult = ref([]);
const determinant = ref(null);
const solution = ref(null);
const eigenvalues = ref(null);
const lu = ref(null);
const qr = ref(null);
const savedMatrix = ref(null);
const error = ref(null);
const matrixSize = ref(3);

function createMatrix(size) {
return Array.from({ length: size }, () => Array(size).fill(0));
}

const matrixA = ref(createMatrix(matrixSize.value));
const matrixB = ref(createMatrix(matrixSize.value));
const vectorB = ref(Array(matrixSize.value).fill(0));
const operationResult = ref([]);
const determinant = ref(null);
const solution = ref(null);
const eigenvalues = ref(null);
const lu = ref(null);
const qr = ref(null);
const savedMatrix = ref(null);
const error = ref(null);

function createMatrix(size) {
return Array.from({ length: size }, () => Array(size).fill(0));
}
function resetResults() {
operationResult.value = [];
determinant.value = null;
solution.value = null;
eigenvalues.value = null;
lu.value = null;
qr.value = null;
error.value = null;
}

function resetResults() {
operationResult.value = [];
determinant.value = null;
solution.value = null;
eigenvalues.value = null;
lu.value = null;
qr.value = null;
error.value = null;
}
watch(matrixSize, (newSize) => {
if (typeof newSize !== 'number') return;
const size = Math.max(1, Math.min(10, newSize));
matrixA.value = createMatrix(size);
matrixB.value = createMatrix(size);
vectorB.value = Array(size).fill(0);
resetResults();
});

watch(matrixSize, (newSize) => {
matrixA.value = createMatrix(newSize);
matrixB.value = createMatrix(newSize);
vectorB.value = Array(newSize).fill(0);
resetResults();
});
const handleDeterminant = (det) => {
resetResults();
determinant.value = det;
};

return {
matrixSize,
matrixA,
matrixB,
vectorB,
operationResult,
determinant,
solution,
eigenvalues,
lu,
qr,
error,
handleDeterminant(det) {
resetResults();
determinant.value = det;
},
handleOperationResult(result) {
resetResults();
operationResult.value = result;
},
handleSolution(sol) {
resetResults();
solution.value = sol;
},
handleEigenvalues(eig) {
resetResults();
eigenvalues.value = eig;
},
handleDecomposition({ type, data }) {
resetResults();
if (type === 'lu') {
lu.value = data;
} else if (type === 'qr') {
qr.value = data;
}
},
saveMatrix() {
savedMatrix.value = JSON.stringify(matrixA.value);
alert('Matrix A saved successfully!');
},
loadMatrix() {
if (savedMatrix.value) {
matrixA.value = JSON.parse(savedMatrix.value);
matrixSize.value = matrixA.value.length;
alert('Matrix A loaded successfully!');
} else {
alert('No matrix saved yet.');
}
},
formatDecomposition(decomp) {
let result = '';
for (const [key, value] of Object.entries(decomp)) {
result += `${key}:\n`;
result += math.format(value, { precision: 4 }) + '\n\n';
}
return result;
}
};
const handleOperationResult = (result) => {
resetResults();
operationResult.value = result;
};

const handleSolution = (sol) => {
resetResults();
solution.value = sol;
};

const handleEigenvalues = (eig) => {
resetResults();
eigenvalues.value = eig;
};

const handleDecomposition = ({ type, data }) => {
resetResults();
if (type === 'lu') {
lu.value = data;
} else if (type === 'qr') {
qr.value = data;
}
};

const app = createApp({
template: '#app-template',
setup() {
return {};
const saveMatrix = () => {
savedMatrix.value = JSON.stringify(matrixA.value);
alert('Matrix A saved successfully!');
};

const loadMatrix = () => {
if (savedMatrix.value) {
matrixA.value = JSON.parse(savedMatrix.value);
matrixSize.value = matrixA.value.length;
alert('Matrix A loaded successfully!');
} else {
alert('No matrix saved yet.');
}
});
};

app.mount('#app');
const formatDecomposition = (decomp) => {
let result = '';
for (const [key, value] of Object.entries(decomp)) {
result += `${key}:\n`;
result += math.format(value, { precision: 4 }) + '\n\n';
}
return result;
};
</script>

<style>
/* @import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css'); */
<style scoped>
</style>
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